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FabTally Chain

R0· no sign-in

On-chain monitoring reads: ENS/Basename expiry, gas, token unlocks & Chainlink oracle health.

v1.0.0 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust94of 100
Uptime, 30 days100%
Latency p50383 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "fabtally-chain": {
      "type": "http",
      "url": "https://chain.fabtally.com/mcp"
    }
  }
}
claude mcp add --transport http fabtally-chain https://chain.fabtally.com/mcp
[mcp_servers.fabtally-chain]
url = "https://chain.fabtally.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "fabtally-chain": {
      "type": "remote",
      "url": "https://chain.fabtally.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "fabtally-chain": {
      "type": "http",
      "url": "https://chain.fabtally.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=fabtally-chain&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vY2hhaW4uZmFidGFsbHkuY29tL21jcCJ9"
}
{
  "servers": {
    "fabtally-chain": {
      "type": "http",
      "url": "https://chain.fabtally.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "fabtally-chain": {
      "httpUrl": "https://chain.fabtally.com/mcp"
    }
  }
}
extensions:
  "fabtally-chain":
    enabled: true
    name: "fabtally-chain"
    type: streamable_http
    uri: "https://chain.fabtally.com/mcp"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: token_unlocks (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); ens_expiry (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); gas (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 1,119 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

4 tools, about 1,119 tokens to load them all · tool set 047e0257841b · checked 2026-10-20 10:35 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 94 / 100

provenance90
liveness100
freshness85
hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-100% ~updated-80d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://chain.fabtally.com/mcp streamable-httpnoneyes100%383 ms2025-11-252026-10-20

Tools (4)

ens_expiryPAID $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.
gasPAID $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.
oracle_healthPAID $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.
token_unlocksPAID $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.

Schemas: list_tools.

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Official server.json
{
  "name": "io.github.zvmzaretsky/fabtally-chain",
  "title": "FabTally Chain",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://chain.fabtally.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "repository": {
    "url": "https://github.com/zvmzaretsky/fabtally-chain-mcp",
    "source": "github"
  },
  "websiteUrl": "https://chain.fabtally.com",
  "description": "On-chain monitoring reads: ENS/Basename expiry, gas, token unlocks & Chainlink oracle health."
}