_ registry / mcp streamable-http · checked 36m ago

emailens

https://app.emailens.dev

Registry code: d74642debb2530f3

api record
endpoint
https://app.emailens.dev/api/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 emailens live?
Yes — it answered the hub's last check (checked 36m ago). It answered 100% of checks over the last 30 days.
Is emailens free to use?
Partly — some of its tools are open, others need a key or payment.
What tools does emailens have?
13 tools: check_deliverability, fix_email, analyze_email, diff_emails, sandbox_get_message, audit_email, build_email, sandbox_get_inbox, ….
Is emailens 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
289ms

last good check

priced tools
0

of 13 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 13 tools
1 open1 auth-required 11 never probed 2 of 13 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.

  • list_clients open 18h ago

    List all 21 supported email clients with IDs, names, rendering engines, dark mode support, and deprecation status. Use the returned IDs to filter other tools like preview_email or capture_screenshots.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {}
}
    arguments 5 lines
  • sandbox_list_messages auth-required 36m ago

    List recently captured test emails in the Emailens sandbox.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "inboxId": {
      "type": "string",
      "description": "Optional inbox ID filter"
    }
  }
}
    arguments 10 lines
  • check_deliverability unknown 18h ago

    Check email deliverability for a domain , SPF, DKIM, DMARC, MX, BIMI.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)+$",
      "minLength": 3,
      "description": "Domain to check (e.g. 'company.com')"
    }
  }
}
    arguments 15 lines
  • fix_email unknown never probed

    Generate a structured fix prompt for email compatibility issues.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "html"
  ],
  "properties": {
    "html": {
      "type": "string",
      "description": "The email HTML source code to fix"
    },
    "scope": {
      "enum": [
        "all",
        "current"
      ],
      "type": "string",
      "description": "Fix scope"
    },
    "format": {
      "enum": [
        "html",
        "jsx",
        "mjml",
        "maizzle"
      ],
      "type": "string",
      "description": "Input format , controls fix syntax"
    },
    "selectedClientId": {
      "type": "string",
      "description": "Client ID for scoped fixes"
    }
  }
}
    arguments 35 lines
  • analyze_email unknown never probed

    Quick CSS compatibility analysis , returns warnings and per-client scores.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "html"
  ],
  "properties": {
    "html": {
      "type": "string",
      "description": "The email HTML source code"
    },
    "format": {
      "enum": [
        "html",
        "jsx",
        "mjml",
        "maizzle"
      ],
      "type": "string",
      "description": "Input format for framework-specific fix snippets"
    }
  }
}
    arguments 23 lines
  • diff_emails unknown never probed

    Compare two email HTML versions , shows score changes, fixed issues, and regressions per client.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "before",
    "after"
  ],
  "properties": {
    "after": {
      "type": "string",
      "description": "Modified email HTML"
    },
    "before": {
      "type": "string",
      "description": "Original email HTML"
    },
    "format": {
      "enum": [
        "html",
        "jsx",
        "mjml",
        "maizzle"
      ],
      "type": "string",
      "description": "Input format"
    }
  }
}
    arguments 28 lines
  • sandbox_get_message unknown 36m ago

    Get complete email details: HTML/text body, parsed headers, spam score, SPF/DKIM/DMARC auth status, and validated links.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "messageId"
  ],
  "properties": {
    "messageId": {
      "type": "string",
      "description": "ID of the sandbox message"
    }
  }
}
    arguments 13 lines
  • audit_email unknown never probed

    Comprehensive quality audit , CSS compatibility, spam, links, accessibility, images, inbox preview, size, templates, content overflow, visual bugs.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "html"
  ],
  "properties": {
    "html": {
      "type": "string",
      "description": "The email HTML source code"
    },
    "skip": {
      "type": "array",
      "items": {
        "enum": [
          "spam",
          "links",
          "accessibility",
          "images",
          "compatibility",
          "inboxPreview",
          "size",
          "templateVariables",
          "overflow",
          "visual"
        ],
        "type": "string"
      },
      "description": "Checks to skip"
    },
    "format": {
      "enum": [
        "html",
        "jsx",
        "mjml",
        "maizzle"
      ],
      "type": "string",
      "description": "Input format"
    }
  }
}
    arguments 42 lines
  • build_email unknown never probed

    Generate a cross-client-compatible email from a brief using Emailens's self-healing loop (generate → score across 21 clients → repair). Output stays in the framework you choose. Returns a runId immediately , poll get_build_status for progress and the final code. Requires a Pro/Team API key.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "intent"
  ],
  "properties": {
    "format": {
      "enum": [
        "html",
        "jsx",
        "mjml",
        "maizzle"
      ],
      "type": "string",
      "description": "Output framework: 'html' (default), 'jsx', 'mjml', or 'maizzle'"
    },
    "intent": {
      "type": "string",
      "description": "What the email should be and contain , the brief to build from"
    },
    "seedHtml": {
      "type": "string",
      "description": "Optional existing code to improve from instead of starting blank"
    },
    "threshold": {
      "type": "number",
      "description": "Target compatibility score, 50-100 (default 90)"
    },
    "maxIterations": {
      "type": "number",
      "description": "Max repair rounds, 1-8 (default 5)"
    }
  }
}
    arguments 35 lines
  • sandbox_get_inbox unknown never probed

    Retrieve or auto-create your Emailens sandbox test email address for capturing test emails.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "name": {
      "type": "string",
      "description": "Optional friendly name for the sandbox inbox"
    }
  }
}
    arguments 10 lines
  • sandbox_wait_for_email unknown never probed

    Poll and wait for a matching incoming test email in the sandbox (ideal for auth OTPs, magic links, transactional email assertions).

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {
    "sender": {
      "type": "string",
      "description": "Substring match for sender address (case-insensitive)"
    },
    "inboxId": {
      "type": "string",
      "description": "Optional inbox ID filter"
    },
    "subject": {
      "type": "string",
      "description": "Substring match for email subject (case-insensitive)"
    },
    "timeoutSeconds": {
      "type": "number",
      "description": "Max seconds to wait (default: 30, max: 60)"
    }
  }
}
    arguments 22 lines
  • get_build_status unknown 18h ago

    Check a build_email run by runId , returns status, iteration, best compatibility score, and the current best source once available.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "runId"
  ],
  "properties": {
    "runId": {
      "type": "string",
      "description": "The runId returned by build_email"
    }
  }
}
    arguments 13 lines
  • preview_email unknown never probed

    Full email compatibility preview , transforms HTML for 21 email clients, analyzes CSS, generates scores, simulates dark mode, checks inbox preview and email size.

    mcp-tool

    {
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "html"
  ],
  "properties": {
    "html": {
      "type": "string",
      "description": "The email HTML source code"
    },
    "format": {
      "enum": [
        "html",
        "jsx",
        "mjml",
        "maizzle"
      ],
      "type": "string",
      "description": "Input format: 'html' (default), 'jsx', 'mjml', or 'maizzle'"
    },
    "clients": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Optional client ID filter"
    }
  }
}
    arguments 30 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 d74642debb2530f3.

Every step, filled in for this listing: https://brick.blue/api/v1/agents/d74642debb2530f3/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/d74642debb2530f3/badge.svg)](https://brick.blue/agent/d74642debb2530f3?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.

_ also on emailens.dev 1 entry

Served from the same domain, which is what was measured. Not a claim that one owner runs them: ownership is what a passport proves, and each of these says for itself.