MCP.Market

FabTally Chain MCP server

online · 100% uptime
by zvmzaretsky·io.github.zvmzaretsky/fabtally-chain·v1.0.0
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On-chain monitoring reads: ENS/Basename expiry, gas, token unlocks & Chainlink oracle health.

A87/100grade A
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Safety scan
A87/100

full report

Adoption
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If you have run it, two minutes of your experience saves the next person an afternoon.

FabTally Chain tools (4)

write = sends, deletes, buys or posts
  • ens_expiryFree

    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.

  • gasFree

    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.

  • oracle_healthFree

    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.

  • token_unlocksFree

    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.

Public scan report

scanner v0.1.9 · 2026-09-24 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1083ms20/20
  • Tool poisoning4 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 54 days ago12/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 87/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How FabTally Chain compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
87/100
higher than 73% of 48,255 servers
Tools
4
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
88 ms
faster than 86% of 30,031 servers

What its tools let an agent do: 4 read

Install FabTally Chain in Claude Code, Cursor or VS Code

claude mcp add --transport http fabtally-chain https://chain.fabtally.com/mcp
Add to Cursor

What the publisher says

From the FabTally Chain repository's README, as published. We do not edit it. Read it on GitHub

FabTally Chain — MCP server

On-chain monitoring reads an AI agent or dev polls per-call. Fronts the Chain HTTP API at https://chain.fabtally.com. Holds no private key.

Tools (all paid; a call with no payment returns the decoded x402 402 challenge)

Every tool also accepts an optional x_payment (base64 x402 payload) that is forwarded as the X-PAYMENT header to settle the call and return the real result. Humans can instead prepay by card and use an X-FabTally-Key credit key against the HTTP API.

Transports

  • stdio (portable): npx fabtally-chain-mcp (bin: fabtally-chain-mcp)
  • streamable-http (hosted): https://chain.fabtally.com/mcp

Config: FABTALLYCHAINBASE (default https://chain.fabtally.com).

Read-only, keyless, stateless, descriptive market-data/utility reads. Operated by Sunstone Soft (fabtally.com). Not financial advice, not a signal, not a prediction. The stateful "alert me when …" delivery is a separate product (the FabTally Alerts Telegram bot).

Nothing above is checked by us. What we check is on the safety report.

FabTally Chain: common questions

Is FabTally Chain MCP server safe?
Yes, by our scan: it is graded A (87/100). Read the FabTally Chain safety report
How do I install FabTally Chain?
It runs remotely at chain.fabtally.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does FabTally Chain need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is FabTally Chain maintained?
The last commit was 95 days ago (2026-08-01). The latest release is v1.0.0.
Is FabTally Chain up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does FabTally Chain compare with other MCP servers?
safety score 87/100 (higher than 73% of 48,255 servers); tools 4 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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