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Gblin MCP Server

answering

Gblin MCP Server is answering right now. Last checked 5 min ago. It exposes 8 tools. Last commit 12 Sep 2026.

Collateral-backed treasury vault for AI agents on Base. Crash Shield defends, JIT pays x402.

Uptime history 46 days of history
46 days agonow
100.0%
Uptime 24h
92 of 92 checks
8
Tools
read from the server
115 ms
Response time
average over 24h
1
Stars
last commit 12 Sep 2026

What changed 78

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 9 August 2026. No other catalogue keeps this.

10 Sep a tool changed version
30 Aug a tool changed the parameters it asks for2 times that day receipts.seal
30 Aug a tool description was rewritten receipts.seal
21 Aug 21 tools appeared coherence.report, coherence.report.get, get_receipt and 18 more
21 Aug 19 tools disappeared coherence.report.get, get_agent_economy_stats, get_attestation_sample and 16 more
21 Aug a tool changed version12 times that day
21 Aug 8 tools changed the parameters they ask for10 times that day get_agent_economy_stats, get_attestation_sample, get_coherence_report and 5 more
21 Aug 8 tool descriptions were rewritten9 times that day get_agent_economy_stats, get_attestation_sample, get_coherence_report and 5 more
17 Aug a tool description was rewritten get_coherence_report
13 Aug a tool description was rewritten get_market_risk_regime
and 16 more, back to 9 August 2026

What the code does

We read the source, 21 h ago · tools taken from the live server · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Long encoded blob in source worker/src/x402-challenge.mjs:30
    paymentRequired: "eyJ4NDAyVmVyc2lvbiI6MiwiZXJyb3IiOiJQYXltZW50IHJlcXVpcmVkIiwicmVzb3VyY2UiOnsidXJsIjoiaHR0cHM6Ly9nYmxpbi5kaWdpdGFsL2FwaS94NDAyL2F0dGVzdGF0aW9uIiwiZGVzY3JpcHRpb24iOiJFSVAtNzEyLXNpZ25lZCByaXNrIGF0dGVzdGF0aW9uLCB2ZXJpZmlhYmxlIE9GRkxJTkUgaW4gb25lIHN0ZXAg4oCUIG5vIH…

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

run in your terminal
claude mcp add gblin-mcp-server --transport http https://gblin-mcp.gblin-mcp-worker.workers.dev/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "gblin-mcp-server": {
      "url": "https://gblin-mcp.gblin-mcp-worker.workers.dev/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.gblin-mcp-server]
url = "https://gblin-mcp.gblin-mcp-worker.workers.dev/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "gblin-mcp-server": {
      "url": "https://gblin-mcp.gblin-mcp-worker.workers.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "gblin-mcp-server": {
      "url": "https://gblin-mcp.gblin-mcp-worker.workers.dev/mcp"
    }
  }
}

Available tools 8

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

receipts
receipts.get
Receipt #index from GBLIN's receipts log, re-signed (Ed25519 is deterministic) with a fresh inclusion proof, the current signed checkpoint and the latest on-chain anchor. Free.
receipts.seal
Append the HASHES of an AI action to GBLIN's public RFC 6962 transparency log and return a portable receipt: Ed25519 signature, inclusion proof, operator-signed C2SP checkpoint, plus the latest on-chain anchor (EAS on Base, daily). mode=demo (the only mode over MCP): 5 seals/day/IP, receipts marked demo:true. Unlimited seals are a paid x402 HTTP endpoint (resource gblin://howto/seal). Provenance is self-reported: the receipt proves existence and time of the record, not that the action happened. The action/agent_id/tool/meta strings are PUBLISHED in the log: identifiers only, never secrets. Fields not listed here are ignored and NOT recorded.
receipts.verify
Verify a gblin-receipt/v1 JSON with pure math (no log lookup, no trust in this server): leaf hash, Ed25519 signature, RFC 6962 inclusion proof, C2SP checkpoint signature, verifier-key hash. Same checks as the zero-dependency verify-receipt.mjs you can run offline. For the extra on-chain-anchor consistency check use GET /v1/verify/:index.
protocol
protocol.info
GBLIN llms.txt as plain text: contract addresses, endpoints, prices, payment flow, field contract of the attestation.
protocol.stats
Cumulative public counters of GBLIN's x402 endpoints: paid calls, unique payer wallets, USDC earned, with methodology disclosure. Cached 5 min.
risk
risk.attestation_sample
Static, permanently expired sample of the signed Risk Attestation (sample:true), same fields and EIP-712 schema as the paid one. Use it to build and test a parser/verifier.
risk.regime
Current BTC/ETH risk regime (calm | elevated | crash) with a suggested posture, read live from GBLIN's on-chain Crash Shield on Base (60s cache). Free and unsigned; a signed, verifiable-offline version is a paid x402 endpoint (resource gblin://howto/attestation).
coherence
coherence.report
Kept/violated tallies for GBLIN's pre-registered, hash-pinned promises (attestation uptime, counter honesty), probed every 10 minutes; each closed UTC day is sealed on Base as an EAS attestation (schema 0x9f433a96…). Self-observation only in v0. Free.

Tools removed

Tools this server used to expose. Anything built against them stopped working on the day they went.

how_to_buy_live_attestation
removed 21 Aug 2026
how_to_seal_paid
removed 21 Aug 2026
seal_action_demo
removed 21 Aug 2026
get_agent_economy_stats
removed 21 Aug 2026
get_attestation_sample
removed 21 Aug 2026
get_coherence_report
removed 21 Aug 2026
get_market_risk_regime
removed 21 Aug 2026
get_protocol_info
removed 21 Aug 2026
get_receipt
removed 21 Aug 2026
seal_action
removed 21 Aug 2026
verify_receipt
removed 21 Aug 2026
coherence.report.get
removed 21 Aug 2026
protocol.economy.stats
removed 21 Aug 2026
protocol.info.get
removed 21 Aug 2026
receipts.entry.get
removed 21 Aug 2026
receipts.entry.seal
removed 21 Aug 2026
receipts.entry.verify
removed 21 Aug 2026
risk.attestation.sample
removed 21 Aug 2026
risk.regime.get
removed 21 Aug 2026

Endpoints

URLTransportStateLatencyChecked
https://gblin-mcp.gblin-mcp-worker.workers.dev/mcp streamable-http answering 135 ms 5 min ago

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Gblin MCP Server — questions

Answers built from our own checks of this server.

What can Gblin MCP Server do?
It exposes 8 tools, read directly from the server on our last check. Among them: coherence.report, protocol.info, protocol.stats, receipts.get, receipts.seal, receipts.verify and 2 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
What is Gblin MCP Server mostly used for?
Its tools cluster around receipts, risk and protocol. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is Gblin MCP Server working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 115 ms. The bar chart above shows every period we have measured.
Did Gblin MCP Server ever remove tools?
Yes. how_to_buy_live_attestation, how_to_seal_paid, seal_action_demo, get_agent_economy_stats and 15 more are no longer exposed — we recorded the date each one disappeared. A tool vanishing usually means a breaking change for anything that depended on it.
How do I connect Gblin MCP Server?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Gblin MCP Server need an API key?
No. Gblin MCP Server completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 8 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Gblin MCP Server?
It answers our handshake in 115 ms on average, which is faster than 82% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Gblin MCP Server open source?
Yes — it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 2 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.