MCP.Market

AgentIndex MCP server

online · 96% uptime
by cognivis·io.github.cognivis/agentindex·v0.2.0
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Trust scores and on-chain payment receipts for x402 services.

A87/100grade A
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Safety scan
A87/100

full report

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

AgentIndex tools (4)

write = sends, deletes, buys or posts
  • check_trustFree

    Full trust report for one service: score, delivery/honesty rates, latency, and recent probes with chain-aware payment receipts. Accepts a label ("weatherpro") or full name ("weatherpro.agentindex.eth").

  • find_serviceFree

    Search the AgentIndex registry for x402 services matching a capability, e.g. "weather data" or "token prices". Returns matching services with endpoints, prices and their probed trust scores.

  • get_verified_dataFree

    One call: pick the most-trusted service for a need, fetch the data from it, and return the data together with that provider's trust score and its latest on-chain probe receipt as proof. Use when you want the answer AND a record of why the source was trusted. Scam / low-trust providers are never selected.

  • resolve_data_needFree

    End-to-end selection: describe a task, get back the single best service to pay (plus ranked alternatives and any services to avoid). Use this before spending money over x402.

Public scan report

scanner v0.1.10 · 2026-10-03 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 2535ms17/20
  • Tool poisoning4 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 21 days ago15/15
  • 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 AgentIndex compares

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

Safety score
87/100
higher than 83% of 1,761 Finance servers
Tools
4
the typical Finance server has 8
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Uptime
96%
of our recent checks; the typical remote Finance server answers 100%
Response time
727 ms
faster than 17% of 1,133 Finance servers

What its tools let an agent do: 4 read

Install AgentIndex in Claude Code, Cursor or VS Code

claude mcp add --transport http agentindex https://mcp-agentindex.craftyour.site/mcp
Add to Cursor

What the publisher says

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

AgentIndex

AgentIndex shows AI agents which paid services are honest and which scam, with proof on-chain.

Live app · Demo video · Evidence · MCP server · Subgraph

AI agents can now discover an API and pay it automatically over x402. The payment receipt proves that money moved, but it does not prove that the API returned complete or correct data.

AgentIndex fills that gap. It pays x402 services like a normal customer, checks what they return, and publishes a trust score that another agent can inspect before spending money.

Trust from receipts, not reviews.

Ask the index who to pay before the agent spends.

The problem

Imagine an agent needs weather data and finds two paid APIs:

  • weatherpro costs a little more and reliably returns the fields it promises.
  • scamco is cheaper, accepts payment, and often returns empty or incomplete data.

A directory can show that both services exist. Usage counts can show which one is popular. Neither tells the agent whether the response is actually trustworthy.

AgentIndex makes the request itself, pays the service, checks the response against the service's published promise, and keeps the payment and verification evidence. The agent can then choose weatherpro and avoid scamco for a reason it can verify.

How it works

flowchart LR
    A[Service registers<br/>ENSv2 subname + manifest] --> B[Prober discovers service]
    B --> C[Real x402 payment<br/>Hedera or Base]
    C --> D[Response verification<br/>spec + oracle + consensus]
    D --> E[Verdict attested<br/>on Sepolia]
    E --> F[The Graph subgraph<br/>builds trust score]
    F --> G[Agent checks trust<br/>through MCP or API]
  1. A provider registers a subname under agentindex.eth and stores its endpoint, price, method, and response specification in ENS text records.
  2. The prober reads that manifest directly from ENS and calls the service like a normal customer.
  3. It pays the x402 request with real HBAR on Hedera testnet. Approved external probes can use tightly capped USDC on Base.
  4. It checks delivery, required response fields, latency, and—when the answer is objective—accuracy against The Graph Token API and peer consensus.
  5. The result is attested on Sepolia and indexed by the AgentIndex subgraph.
  6. An AI agent queries the trust score and evidence through MCP before choosing which service to pay.

The live site explains each step and links to its on-chain proof.

Why these protocols matter

AgentIndex works like a credit bureau for paid APIs. Each sponsor provides a part that the system cannot work without.

The Graph

Shortened. The full README is on GitHub.

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

Grade history

  • 2026-09-19restoreB → Ascore 87

AgentIndex: common questions

Is AgentIndex MCP server safe?
Yes, by our scan: it is graded A (87/100). Read the AgentIndex safety report
How do I install AgentIndex?
It runs remotely at mcp-agentindex.craftyour.site. 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 AgentIndex need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is AgentIndex maintained?
The last commit was 52 days ago (2026-09-12). The latest release is v0.2.0.
Is AgentIndex up?
96% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of AgentIndex?
Servers from other publishers that do the same job: X402 List MCP server, Pulsefeed X402 MCP server and Agent402.Tools: pay-per-call web tools MCP server.
How does AgentIndex compare with other Finance MCP servers?
safety score 87/100 (higher than 83% of 1,761 Finance servers); tools 4 (the typical Finance server has 8); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to AgentIndex

Same job from other publishers: the closest match first, then the best rated.

  • X402 List
    Find and vet x402 payment APIs before your agent pays one: uptime, price, on-chain volume.
    A
  • Pulsefeed X402
    Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.
    A
  • Agent402.Tools: pay-per-call web tools
    Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, or free via proof-of-work
    A
  • three.ws Agent Payments
    Governed x402 payment sessions: pay any endpoint with budget, allowlist & per-tx caps, no key.
    More from nirholas →
    B
  • Blockrun
    Web search, deep research, prediction markets & crypto data for AI agents. Pay per call via x402.
    B