MCP.Market

nohumans.directory MCP server

online · 100% uptime
by nohumans.directory·directory.nohumans/registry·v1.3.0
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We buy from x402 endpoints with real USDC and publish delivery outcomes. Check before you spend.

A87/100grade A
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Safety scan
A87/100

full report

Adoption
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0 stars

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

nohumans.directory tools (4)

write = sends, deletes, buys or posts
  • find_paid_serviceFree

    Search paid x402 APIs and datasets by need. Ranked: verified first, then probe score, then price. Each result carries what you choose on: status, score (0..1), evidence_tier, paid_verified (we bought it with real USDC and it delivered), has_sample (a cheap preview exists), price. Relevance comes from the query text; a specific need in plain words matches best. Zero results means nothing listed matches. Results are dated evidence, not guarantees. Returns a summary per listing; detail='full' returns every field. Free, read-only.

  • get_service_detailsFree

    Full record for one listing id: request and response schemas, sample_query, observed 402 terms (network, payTo, scheme, x402 version), reputation detail, and paid_verification (our latest real USDC purchase, with its settlement tx where proven). Useful before paying: it shows the exact request shape and current reliability. Every timestamp has an _iso twin; on-chain counts describe the seller's wallet, usually shared by several listings, not this endpoint. Free, read-only.

  • resolve_endpointFree

    Check an endpoint URL you already hold before paying it. Returns match 'active' with the listing's full record, 'delisted' (listed here, later removed), or 'unknown' (never checked here; absence is not a verdict either way). The record is dated evidence, not a safety rating. Free, read-only.

  • what_agents_are_asking_forFree

    What agents searched this directory for, for deciding which x402 service to build or list. Terms ranked by how many distinct days they were asked, each with catalogue_top: the listings our own search already returns for it. A term being asked does not mean nothing serves it. The window ends a week behind live while the paid tier is on sale (a day when it is not; delay_hours and window_ends_at in the response say which); test traffic, sellers searching their own listings and identifying terms are excluded; floor: a term appears once at least 1 distinct non-seller client IP asked it. Client counts are IP ceilings, never buyer counts. Paged: limit (default 25), offset, next_offset. Free, read-only.

Public scan report

scanner v0.1.10 · 2026-10-31 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 412ms20/20
  • Tool poisoning4 tool descriptions checked15/15
  • Auth qualityopen endpoint, read-only tools10/15
  • Maintenancelast push 47 days ago12/15
  • Maintainer identityendpoint served from the registry-verified namespace domain8/10
Overall 87/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How nohumans.directory 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
99 ms
faster than 84% of 30,031 servers

What its tools let an agent do: 4 read

Install nohumans.directory in Claude Code, Cursor or VS Code

claude mcp add --transport http registry https://api.nohumans.directory/mcp
Add to Cursor

What the publisher says

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

nohumans.directory — MCP Server

Find and vet paid x402 API services before an agent spends money on them.

A discovery and trust layer for paid x402 services. We verify listings two ways: by paying them real USDC and recording whether they deliver, and by continuously re-probing every listing's live 402 challenge — several times an hour, with the full history kept. Each listing carries a recency-weighted reliability score built from that history, plus on-chain payment evidence from our own index of the chain — so an agent can check whether an endpoint actually delivers before paying for it.

Free. No API key. No signup. No account.

Live stats: https://nohumans.directory/stats · REST API: https://api.nohumans.directory

Why this exists

Most x402 directories are catalogs: they list what exists. Some probe whether a 402 comes back, which proves an endpoint is alive — not whether anyone actually pays it, or whether it delivers when paid.

This one buys from listings and publishes what came back, per call, with the transaction hash. It probes every endpoint continuously and keeps the history: a listing moves unverified → verified only after sustained clean probes, and falls to failing when it stops responding. The reliability score is recency-weighted, so a service that broke yesterday can't hide behind a good month. And every listing shows its on-chain payment activity — payments, distinct paying wallets, dollars, per day — from our own index of USDC transfers on Base.

Every listing also carries a hand-written description of what the service actually does — which sounds mundane until you try semantic search against a catalog of bare URLs.

Installation

Remote server, streamable HTTP. No install, no build step, no credentials.

Claude Code

claude mcp add --transport http nohumans https://api.nohumans.directory/mcp

Claude Desktop / any stdio-only client

{
  "mcpServers": {
    "nohumans": {
      "command": "npx",
      "args": ["mcp-remote", "https://api.nohumans.directory/mcp"]
    }
  }
}

Direct remote connection

https://api.nohumans.directory/mcp

Transport: streamable-http · Authentication: none · Cost: free

Agent Skill

For agents that support the Agent Skills standard (Claude Code, Codex, and others), install the skill so the agent knows how to use the tools below intelligently — when to prefer verified listings, how to read score/status/x402version/on-chain payment evidence, and how to report a real outcome via txhash:

mkdir -p ~/.claude/skills/nohumans-directory
curl -o ~/.claude/skills/nohumans-directory/SKILL.md \
  https://raw.githubusercontent.com/jalcodev/nohumans-mcp/main/skills/nohumans-directory/SKILL.md

Tools

findpaidservice

Search paid x402 services by capability, price ceiling, and minimum reliability score. Returns ranked results — verified services first, then by reliability, then by price.

getservicedetails

Full record for a single service: pricing, accepted chains, request and response schemas, current status, reliability score, median latency, probe count, protocol version (x402version), and on-chain payment evidence — 30-day totals, a per-day series (onchaindaily), how many listings share the payment address, and the sampled payment shape (x402-signed vs plain transfers vs other) — everything an agent needs before making a paid call.

Shortened. The full README is on GitHub.

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

nohumans.directory: common questions

Is nohumans.directory MCP server safe?
Yes, by our scan: it is graded A (87/100). Read the nohumans.directory safety report
How do I install nohumans.directory?
It runs remotely at api.nohumans.directory. 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 nohumans.directory need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is nohumans.directory maintained?
The last commit was 51 days ago (2026-09-14). The latest release is v1.3.0.
Is nohumans.directory up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of nohumans.directory?
Servers from other publishers that do the same job: MCP Registry Server MCP server.
How does nohumans.directory 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.

Alternatives to nohumans.directory

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

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