fabtally-chain

endpoint

https://chain.fabtally.com/mcp

protocol

http-sse ·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 fabtally-chain live?

Yes — it answered the hub's last check (checked 24m ago). It answered 99% of checks over the last 30 days.

Is fabtally-chain free to use?

Yes — the hub reached it with no key and no payment.

What tools does fabtally-chain have?

4 tools: oracle_health, token_unlocks, ens_expiry, gas.

Is fabtally-chain 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.

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.

• oracle_health reads unknown 14h ago

  PAID $0.003 (x402, USDC on Base). Chainlink price-feed health via public RPC: last-update age, latest answer (scaled by decimals), round monotonicity (is the answer current?), a stale flag vs the heartbeat, optional deviation vs a reference price, and per-factor flags. Read-only, descriptive. Args: feed_address, chain, heartbeat_seconds (optional), reference (optional). Without payment returns the x402 challenge; pass x_payment.

  mcp-tool

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  {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "feed_address",
      "chain"
    ],
    "properties": {
      "chain": {
        "enum": [
          "ethereum",
          "base",
          "arbitrum",
          "polygon",
          "bsc",
          "optimism"
        ],
        "type": "string",
        "description": "Chain the feed is deployed on."
      },
      "reference": {
        "type": "number",
        "description": "A reference price to compute deviation % against (optional)."
      },
      "x_payment": {
        "type": "string",
        "description": "x402 payment payload (base64) for this PAID read. If supplied it is forwarded as the X-PAYMENT header to settle the call and return the real result instead of a 402 challenge. Omit to get the price challenge first."
      },
      "feed_address": {
        "type": "string",
        "description": "Chainlink aggregator/proxy address (0x…40-hex), e.g. ETH/USD 0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419."
      },
      "heartbeat_seconds": {
        "type": "number",
        "description": "The feed's heartbeat in seconds for a precise stale check (optional)."
      }
    },
    "additionalProperties": false
  }

  arguments 39 lines copy
• token_unlocks reads unknown never probed

  PAID $0.003 (x402, USDC on Base). Next token vesting/unlock event(s) from DefiLlama's PUBLIC emissions dataset: upcoming unlock date(s), token amount, and % of max supply, with a human description. Cleanly says so when a token has no public unlock schedule. Read-only, descriptive — NOT a price signal. Args: token (symbol, protocol name, or contract address), chain (optional, for address lookup). Without payment returns the x402 challenge; pass x_payment to settle.

  mcp-tool

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  {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "token"
    ],
    "properties": {
      "chain": {
        "type": "string",
        "description": "Chain of the contract address (only used when token is an address)."
      },
      "token": {
        "type": "string",
        "description": "Token symbol (e.g. ARB), protocol name (e.g. arbitrum), or contract address."
      },
      "x_payment": {
        "type": "string",
        "description": "x402 payment payload (base64) for this PAID read. If supplied it is forwarded as the X-PAYMENT header to settle the call and return the real result instead of a 402 challenge. Omit to get the price challenge first."
      }
    },
    "additionalProperties": false
  }

  arguments 22 lines copy
• ens_expiry reads unknown never probed

  PAID $0.001 (x402, USDC on Base). Resolve an ENS .eth or Basename .base.eth name's registration expiry ON-CHAIN (public RPC). Returns expiry date, days-left, whether it's in the 90-day grace period, the release date it becomes registrable again, and the current owner. Read-only, descriptive. Args: name. Without payment returns the x402 challenge; pass x_payment to settle.

  mcp-tool

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  {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "name"
    ],
    "properties": {
      "name": {
        "type": "string",
        "description": "Full ENS name ending in .eth (e.g. vitalik.eth) or .base.eth (e.g. jesse.base.eth)."
      },
      "x_payment": {
        "type": "string",
        "description": "x402 payment payload (base64) for this PAID read. If supplied it is forwarded as the X-PAYMENT header to settle the call and return the real result instead of a 402 challenge. Omit to get the price challenge first."
      }
    },
    "additionalProperties": false
  }

  arguments 18 lines copy
• gas reads unknown never probed

  PAID $0.001 (x402, USDC on Base). Current gas for a chain via public RPC: base fee + suggested priority + suggested max fee (gwei) at the latest block. If below_gwei is set, also returns whether the base fee is at/below your threshold right now. Read-only. Args: chain (ethereum|base|arbitrum|polygon|bsc|optimism), below_gwei (optional). Without payment returns the x402 challenge; pass x_payment to settle.

  mcp-tool

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  {
    "type": "object",
    "$schema": "http://json-schema.org/draft-07/schema#",
    "required": [
      "chain"
    ],
    "properties": {
      "chain": {
        "enum": [
          "ethereum",
          "base",
          "arbitrum",
          "polygon",
          "bsc",
          "optimism"
        ],
        "type": "string",
        "description": "Chain to read gas for."
      },
      "x_payment": {
        "type": "string",
        "description": "x402 payment payload (base64) for this PAID read. If supplied it is forwarded as the X-PAYMENT header to settle the call and return the real result instead of a 402 challenge. Omit to get the price challenge first."
      },
      "below_gwei": {
        "type": "number",
        "description": "Optional threshold: return a boolean of whether base fee is at/below this many gwei now."
      }
    },
    "additionalProperties": false
  }

  arguments 30 lines copy

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

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.

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.

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