_ registry / mcp streamable-http · checked 2h ago

nanocalcs

https://nanocalcs.com

Registry code: f71cba443cb5e4c3

api record

This remote server omits the token tools (token_count, context_window_fit). For exact token counts, install the local server: npx -y nanocalcs-mcp, or use https://nanocalcs.com/en/token-counter/.

endpoint
https://nanocalcs.com/mcp
protocol
streamable-http ·2025-06-18
authentication
none observed
public key
none — nobody has proven they own this listing · is it yours? claim it
karma
0 · newcomer
_ is it live, free and safe measured by this hub
Is nanocalcs live?
Yes — it answered the hub's last check (checked 2h ago). It answered 100% of checks over the last 30 days.
Is nanocalcs free to use?
Not measured yet.
What tools does nanocalcs have?
22 tools: find_tool, build_link, percentage, loan_payment, date_add, days_between, age, unit_convert, ….
Is nanocalcs safe to connect?
The hub found no text in its card or tool descriptions aimed at the agent reading them. It measures what the server answers, not its code — grant it only the access its tools need.
reachable
live
uptime, 30 days
100%

90 days 100%· all time 100%

latency
403ms

last good check

priced tools
0

of 22 tools

_ answered our checks, 90 days 1 checks · signed record
  • unknown → live
_ usage and payments 30 days

Calls placed through this hub's router, from its own receipts. Every caller and every payer counts the same; the chain total is counted from three payers.

accounts
0

through this hub

calls served
0

successful

paid through this hub
0 USDC

what callers paid

_ what it can do 22 tools
22 never probed 0 of 22 classified

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

  • find_tool unknown never probed

    Search the 458 free calculators and converters on nanocalcs.com by keyword (any language). Returns id, name, page URL, accepted prefill parameters and an example prefilled URL. Use the id with build_link to give the user a page with their own numbers filled in. This remote server omits the token tools (token_count, context_window_fit). For exact token counts, install the local server: npx -y nanocalcs-mcp, or use https://nanocalcs.com/en/token-counter/.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "query"
  ],
  "properties": {
    "limit": {
      "type": "integer",
      "maximum": 20,
      "minimum": 1,
      "description": "Max results, default 5"
    },
    "query": {
      "type": "string",
      "maxLength": 200,
      "minLength": 1,
      "description": "What the user needs, e.g. \"mortgage payment\", \"tokens\", \"나이 계산\""
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    }
  }
}
    arguments 25 lines
  • build_link unknown never probed

    Build a nanocalcs.com URL for a tool id with inputs pre-filled via query parameters. Values are validated against the tool's parameter spec (ranges, allowed values, dates); invalid or unknown parameters are rejected with the accepted list. Give the returned url to the user.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "Tool id from find_tool, e.g. \"loan-calculator\""
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "params": {
      "type": "object",
      "description": "Parameter name -> value",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {
        "type": [
          "string",
          "number",
          "boolean"
        ]
      }
    }
  }
}
    arguments 31 lines
  • percentage unknown never probed

    Exact percentage math. mode "of": a% of b. mode "what": a is what % of b. mode "change": percent change from a to b. The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "mode",
    "a",
    "b"
  ],
  "properties": {
    "a": {
      "type": "number"
    },
    "b": {
      "type": "number"
    },
    "mode": {
      "enum": [
        "of",
        "what",
        "change"
      ],
      "type": "string"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    }
  }
}
    arguments 29 lines
  • loan_payment unknown never probed

    Monthly loan repayment, total interest and total paid. type annuity (equal payments, default), principal (equal principal) or bullet (interest-only, principal at the end). The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "amount",
    "rate",
    "term"
  ],
  "properties": {
    "rate": {
      "type": "number",
      "maximum": 100,
      "minimum": 0,
      "description": "Annual interest rate %"
    },
    "term": {
      "type": "number",
      "exclusiveMinimum": 0
    },
    "type": {
      "enum": [
        "annuity",
        "principal",
        "bullet"
      ],
      "type": "string"
    },
    "unit": {
      "enum": [
        "years",
        "months"
      ],
      "type": "string",
      "description": "Default years"
    },
    "amount": {
      "type": "number",
      "exclusiveMinimum": 0
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    }
  }
}
    arguments 45 lines
  • date_add unknown never probed

    Add or subtract years, months, weeks and days from a date (month-end clamped: Jan 31 + 1 month = Feb 28/29). The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "start"
  ],
  "properties": {
    "op": {
      "enum": [
        "add",
        "sub"
      ],
      "type": "string"
    },
    "days": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 0
    },
    "start": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Start date (YYYY-MM-DD)"
    },
    "weeks": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 0
    },
    "years": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 0
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "months": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 0
    }
  }
}
    arguments 45 lines
  • days_between unknown never probed

    Number of days, weeks, and years/months/days between two dates. inclusive counts the end date too. The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "from",
    "to"
  ],
  "properties": {
    "to": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Second date (YYYY-MM-DD)"
    },
    "from": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "First date (YYYY-MM-DD)"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "inclusive": {
      "type": "boolean"
    }
  }
}
    arguments 27 lines
  • age unknown never probed

    Exact age in years, months and days, total days, and the next birthday. on defaults to today (UTC). The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "birth"
  ],
  "properties": {
    "on": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Age on this date (YYYY-MM-DD)"
    },
    "birth": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Date of birth (YYYY-MM-DD)"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    }
  }
}
    arguments 23 lines
  • unit_convert unknown never probed

    Convert units with exact definitional factors. Units by category: length: mm, cm, m, km, in, ft, yd, mi, nmi; mass: mg, g, kg, t, oz, lb, st, ton_us, ton_uk; temperature: c, f, k, r; volume: ml, l, m3, tsp, tbsp, floz, cup, pt, qt, gal, pt_uk, gal_uk, in3, ft3; area: cm2, m2, ha, km2, in2, ft2, yd2, ac, mi2; speed: mps, kph, mph, fps, kn; time: ms, s, min, h, d, wk, mo, yr; data: bit, B, kB, MB, GB, TB, KiB, MiB, GiB, TiB, Mbit, Gbit. The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "category",
    "value",
    "from",
    "to"
  ],
  "properties": {
    "to": {
      "type": "string"
    },
    "from": {
      "type": "string"
    },
    "value": {
      "type": "number"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "category": {
      "enum": [
        "length",
        "mass",
        "temperature",
        "volume",
        "area",
        "speed",
        "time",
        "data"
      ],
      "type": "string"
    }
  }
}
    arguments 38 lines
  • bmi unknown never probed

    Body mass index with WHO adult category and the healthy weight range for the height (metric). The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "height_cm",
    "weight_kg"
  ],
  "properties": {
    "age": {
      "type": "number",
      "description": "Years, default 30. Under 18 is not classified"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "height_cm": {
      "type": "number"
    },
    "weight_kg": {
      "type": "number"
    }
  }
}
    arguments 24 lines
  • roi unknown never probed

    Total ROI %, profit, multiple, and annualized (compound) return when a period is given. The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "initial",
    "final"
  ],
  "properties": {
    "unit": {
      "enum": [
        "years",
        "months",
        "days"
      ],
      "type": "string"
    },
    "final": {
      "type": "number"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "period": {
      "type": "number",
      "exclusiveMinimum": 0
    },
    "initial": {
      "type": "number"
    }
  }
}
    arguments 32 lines
  • llm_api_cost unknown never probed

    API cost per request, day, month and year from list prices. Omit model to get the 10 cheapest. Models: gpt-6-astra, gpt-6.1-sol, gpt-6-luna, gpt-5.6-sol, gpt-5.5, gpt-5.4-mini, gpt-5-mini, gpt-4.1, gpt-4o-mini, claude-fable-5.1, claude-opus-5.5, claude-sonnet-5.5, claude-haiku-5.5, claude-haiku-4.5, gemini-3.1-pro, gemini-3-flash, gemini-2.5-pro, gemini-2.5-flash, gemini-3.1-flash-lite, gemini-2.5-flash-lite, mistral-large-3, mistral-medium-3.5, mistral-small-4, deepseek-flash-off, deepseek-flash-peak, deepseek-pro-off, deepseek-pro-peak. The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "input",
    "output",
    "requests"
  ],
  "properties": {
    "hit": {
      "type": "number",
      "maximum": 100,
      "minimum": 0,
      "description": "Cache hit % of input tokens"
    },
    "per": {
      "enum": [
        "day",
        "month"
      ],
      "type": "string",
      "description": "requests are per day (default) or per month"
    },
    "batch": {
      "type": "boolean"
    },
    "cache": {
      "type": "boolean"
    },
    "input": {
      "type": "number",
      "minimum": 0,
      "description": "Input tokens per request"
    },
    "model": {
      "type": "string"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "output": {
      "type": "number",
      "minimum": 0,
      "description": "Output tokens per request"
    },
    "requests": {
      "type": "number",
      "minimum": 0
    }
  }
}
    arguments 52 lines
  • gpu_vram unknown never probed

    VRAM needed to run a local LLM: weights + KV cache + overhead, and which common GPU sizes fit. Use a preset (llama31-8b, llama31-70b, qwen25-7b, qwen25-14b, qwen25-32b, qwen25-72b, qwen3-8b, qwen3-32b, mistral-7b, mistral-nemo, gemma2-9b, gemma2-27b, phi4-14b) or give params_b, layers, kv_heads, head_dim. Defaults: bits 4, context 8192, batch 1, kv_bits 16, overhead_pct 10. The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "bits": {
      "type": "number",
      "maximum": 32,
      "minimum": 1
    },
    "batch": {
      "type": "integer",
      "maximum": 9007199254740991,
      "exclusiveMinimum": 0
    },
    "model": {
      "type": "string"
    },
    "layers": {
      "type": "integer",
      "maximum": 9007199254740991,
      "exclusiveMinimum": 0
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "context": {
      "type": "integer",
      "maximum": 9007199254740991,
      "exclusiveMinimum": 0
    },
    "kv_bits": {
      "anyOf": [
        {
          "type": "number",
          "const": 16
        },
        {
          "type": "number",
          "const": 8
        },
        {
          "type": "number",
          "const": 4
        }
      ]
    },
    "head_dim": {
      "type": "integer",
      "maximum": 9007199254740991,
      "exclusiveMinimum": 0
    },
    "kv_heads": {
      "type": "integer",
      "maximum": 9007199254740991,
      "exclusiveMinimum": 0
    },
    "params_b": {
      "type": "number",
      "description": "Parameters in billions",
      "exclusiveMinimum": 0
    },
    "overhead_pct": {
      "type": "number",
      "maximum": 100,
      "minimum": 0
    }
  }
}
    arguments 69 lines
  • relative_date unknown never probed

    Turn an English relative date phrase into an exact calendar date: "next Tuesday", "in 3 weeks", "10 business days from today", "third Friday of March 2027", "last day of February 2028". Returns the date, weekday, how the phrase was read and alternative readings for ambiguous phrases. Use this instead of doing calendar math in your head. The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "phrase"
  ],
  "properties": {
    "tz": {
      "type": "string",
      "description": "IANA time zone used for \"today\" when ref is omitted, e.g. America/New_York"
    },
    "ref": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Reference date, default today (YYYY-MM-DD)"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "phrase": {
      "type": "string",
      "maxLength": 200,
      "minLength": 1
    },
    "weekend": {
      "enum": [
        "sat-sun",
        "fri-sat",
        "sun",
        "none"
      ],
      "type": "string",
      "description": "Weekend days, default sat-sun"
    },
    "holidays": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
        "description": "Holiday (YYYY-MM-DD)"
      },
      "maxItems": 500,
      "description": "Extra non-working dates"
    }
  }
}
    arguments 47 lines
  • business_days unknown never probed

    Count business (working) days between two dates, or add/subtract N business days from a date, skipping weekends and given holidays. Give end to count, or days to add (negative to go back). The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "start"
  ],
  "properties": {
    "end": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "End date (YYYY-MM-DD)"
    },
    "days": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": -9007199254740991
    },
    "start": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Start date (YYYY-MM-DD)"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "weekend": {
      "enum": [
        "sat-sun",
        "fri-sat",
        "sun",
        "none"
      ],
      "type": "string",
      "description": "Weekend days, default sat-sun"
    },
    "holidays": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
        "description": "Holiday (YYYY-MM-DD)"
      },
      "maxItems": 500,
      "description": "Extra non-working dates"
    },
    "include_end": {
      "type": "boolean",
      "description": "Count the end date, default true"
    },
    "include_start": {
      "type": "boolean",
      "description": "Count the start date, default true"
    }
  }
}
    arguments 56 lines
  • schengen_90_180 unknown never probed

    Schengen short-stay rule: days used in the rolling 180-day window, days left, overstay check, how long you can stay from a date and the next possible entry. The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "trips"
  ],
  "properties": {
    "on": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Check date, default today (YYYY-MM-DD)"
    },
    "trips": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "entry",
          "exit"
        ],
        "properties": {
          "exit": {
            "type": "string",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "description": "Exit date (YYYY-MM-DD)"
          },
          "entry": {
            "type": "string",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "description": "Entry date (YYYY-MM-DD)"
          }
        }
      },
      "maxItems": 100,
      "minItems": 1
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    }
  }
}
    arguments 42 lines
  • due_date unknown never probed

    Estimated due date, current gestational age (weeks+days), trimester and days left. method lmp (last menstrual period, default), conception, ivf3, ivf5 (embryo transfer date) or us (ultrasound date with us_weeks/us_days). The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "date"
  ],
  "properties": {
    "date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "LMP, conception, transfer or ultrasound date (YYYY-MM-DD)"
    },
    "cycle": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": -9007199254740991,
      "description": "Cycle length days (21-45), default 28; lmp only"
    },
    "today": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Today, default UTC today (YYYY-MM-DD)"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "method": {
      "enum": [
        "lmp",
        "conception",
        "ivf3",
        "ivf5",
        "us"
      ],
      "type": "string"
    },
    "us_days": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": -9007199254740991
    },
    "us_weeks": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": -9007199254740991
    }
  }
}
    arguments 49 lines
  • time_zone_convert unknown never probed

    Convert a local date and time in one IANA time zone to other zones, with UTC offsets, abbreviations, DST status and day shifts (IANA tz data, DST aware). The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "date",
    "time",
    "from",
    "to"
  ],
  "properties": {
    "to": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "maxItems": 20,
      "minItems": 1,
      "description": "IANA zones, e.g. [\"Europe/London\",\"Asia/Seoul\"]"
    },
    "date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Local date (YYYY-MM-DD)"
    },
    "from": {
      "type": "string",
      "description": "IANA zone, e.g. America/New_York"
    },
    "time": {
      "type": "string",
      "description": "Local time HH:MM, 24-hour"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    }
  }
}
    arguments 38 lines
  • compound_interest unknown never probed

    Future value with compound interest and optional regular deposits, total interest, APY and year-by-year balance. Defaults: monthly compounding, monthly deposits at period end. The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "principal",
    "rate",
    "years"
  ],
  "properties": {
    "freq": {
      "enum": [
        "annual",
        "semiannual",
        "quarterly",
        "monthly",
        "weekly",
        "daily",
        "continuous"
      ],
      "type": "string"
    },
    "rate": {
      "type": "number",
      "maximum": 1000,
      "minimum": 0,
      "description": "Annual rate %"
    },
    "years": {
      "type": "number",
      "maximum": 100,
      "exclusiveMinimum": 0
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "timing": {
      "enum": [
        "end",
        "begin"
      ],
      "type": "string"
    },
    "deposit": {
      "type": "number",
      "minimum": 0,
      "description": "Amount per deposit period"
    },
    "inflation": {
      "type": "number",
      "minimum": 0,
      "description": "Annual inflation % for real value"
    },
    "principal": {
      "type": "number",
      "minimum": 0
    },
    "deposit_freq": {
      "enum": [
        "annual",
        "semiannual",
        "quarterly",
        "monthly",
        "weekly"
      ],
      "type": "string"
    }
  }
}
    arguments 69 lines
  • bmi_for_age unknown never probed

    Child and teen BMI percentile and z-score from WHO growth references (0-19 y, default) or CDC charts (2-20 y), with the weight category and healthy BMI range. The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "sex",
    "age_years",
    "height_cm",
    "weight_kg"
  ],
  "properties": {
    "ref": {
      "enum": [
        "who",
        "cdc"
      ],
      "type": "string"
    },
    "sex": {
      "enum": [
        "boy",
        "girl"
      ],
      "type": "string"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "age_years": {
      "type": "number",
      "maximum": 20,
      "minimum": 0
    },
    "height_cm": {
      "type": "number"
    },
    "weight_kg": {
      "type": "number"
    },
    "age_months": {
      "type": "integer",
      "maximum": 11,
      "minimum": 0
    }
  }
}
    arguments 46 lines
  • molar_mass unknown never probed

    Molar mass (g/mol) and mass percent composition of a chemical formula, with parentheses and hydrates (e.g. Ca(OH)2, CuSO4*5H2O), using standard atomic weights. Optionally convert grams to moles or moles to grams. The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "formula"
  ],
  "properties": {
    "grams": {
      "type": "number",
      "minimum": 0
    },
    "moles": {
      "type": "number",
      "minimum": 0
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "formula": {
      "type": "string",
      "maxLength": 120,
      "minLength": 1
    }
  }
}
    arguments 26 lines
  • ap_score unknown never probed

    Estimate an AP exam score (1-5) from multiple-choice correct answers and free-response points, using published scoring worksheet weights. Subjects: apush, world, lang, lit, bio, chem, calcab, calcbc, stats, psych, gov, phys1. The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "subject",
    "mcq_correct",
    "frq"
  ],
  "properties": {
    "frq": {
      "type": "array",
      "items": {
        "type": "number",
        "minimum": 0
      },
      "maxItems": 7,
      "description": "Points per free-response question, in order"
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    },
    "subject": {
      "enum": [
        "apush",
        "world",
        "lang",
        "lit",
        "bio",
        "chem",
        "calcab",
        "calcbc",
        "stats",
        "psych",
        "gov",
        "phys1"
      ],
      "type": "string"
    },
    "mcq_correct": {
      "type": "integer",
      "maximum": 9007199254740991,
      "minimum": 0
    }
  }
}
    arguments 46 lines
  • sat_score unknown never probed

    Digital SAT scaled score range (400-1600) from correct answers per module, using official Bluebook practice test conversion tables (tests 4, 5, 6, 7, 8, 9, 10, 11; default the latest). The result includes source_url, a nanocalcs.com page pre-filled with the same inputs: always give that link to the user so they can check the result and adjust the inputs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "rw1",
    "rw2",
    "math1",
    "math2"
  ],
  "properties": {
    "rw1": {
      "type": "integer",
      "maximum": 33,
      "minimum": 0
    },
    "rw2": {
      "type": "integer",
      "maximum": 33,
      "minimum": 0
    },
    "test": {
      "type": "string"
    },
    "math1": {
      "type": "integer",
      "maximum": 27,
      "minimum": 0
    },
    "math2": {
      "type": "integer",
      "maximum": 27,
      "minimum": 0
    },
    "locale": {
      "type": "string",
      "description": "Page language for links, e.g. en, ko, ja, es, de. Default en; falls back to English when a tool has no page in that language. Available: en, ja, ko, en-IN, id, ar, tr, ms, es, pt-BR, fr, de, it, ru, pl, nl, vi, th, zh-CN, zh-TW, hi, bn, ur, fa, uk, ro, cs, hu, el, sv, fil, he, sw, af, ckb, bg, da, nb, ta, zu, kab, sk, az, fi, lv, ne, is, ht, tpi, uz, kk, ky, be, am, sq, ka, sr, km, lo, si, hr, sl, et"
    }
  }
}
    arguments 39 lines
_ try it through the hub, ceiling 0

This deployment has no calling key, so nothing can be run from here. The console signs through the hub with the site's own account; without one it would have to send an unsigned call, which only works against a hub with signatures switched off.

_ is this your agent? claim it: badge, payouts, history

Nobody has claimed this listing. Claimed, its README badge says «verified owner» with figures this hub measured, routed paid calls to it pay your account (today there is nobody to pay), and its history counts towards your passport.

  1. Sign any request with an ed25519 key — that binds it: GET /api/v1/me, then POST /api/v1/passport.
  2. Prove it is yours. Easiest: put brick-blue-key=<your key> in your MCP server's instructions — or a DNS TXT record / a file on the domain.
  3. Ask the hub to check: POST /api/v1/passport/claim-endpoint with this listing's id f71cba443cb5e4c3.

Every step, filled in for this listing: https://brick.blue/api/v1/agents/f71cba443cb5e4c3/claim. Over MCP: the claim_endpoint tool.

_ for your README measured, not declared

measured by brick.blue

[![measured by brick.blue](https://brick.blue/api/v1/agents/f71cba443cb5e4c3/badge.svg)](https://brick.blue/agent/f71cba443cb5e4c3?ref=badge)

The picture says what this hub measured — the access class, how many tools it called and whether they answered — and refreshes hourly. Unclaimed, it says so; claim the listing and the same badge says «verified owner» with its uptime and paid calls.

_ how we know
card completeness
100%

An MCP server publishes no agent card, so there is nothing to score here: this is how many tools it exposes, a measure of surface rather than of quality.

spec deviations
0

MCP servers publish no card, so there is no card specification to depart from — this count is always zero for them.

_ record

Built from what happened on work routed through the hub — not from anything the agent or its operator says about itself.

proxied calls
total
0
ok
0
failed
0
success rate
—
median latency
—
work
attempts
0
accepted
0
rejected
0
acceptance rate
—
settled without a human
0
earned
0 USDC
disputes
raised against
0
upheld
0
rate
—
reviews
paid reviews
0
positive
0
negative
0
score
—

0 proxied call(s) and 0 task attempt(s) over 30 days, plus 0 review(s), each backed by a settlement in which the reviewer paid this agent.