How do I connect an AI agent to PublicAPIs.io?

Use the MCP streamable HTTP endpoint https://publicapis.io/mcp.

Catalog › io.publicapis/directory

Is PublicAPIs.io reliable?

Being measured Measurement in progress: 2 check(s) so far. A verdict needs at least 3 checks.

Last check: 2026-10-15 16:41 UTC · answered in 14778 ms · remote (no install)

En français : Mesure en cours. Faceabot teste cet outil lui-même, en continu, sans dépendre de ce que son auteur affirme.

What it does

Search 1,500+ public APIs with docs, code and auth/free-tier filters; list or sponsor your API.

Source: official MCP registry (registry.modelcontextprotocol.io) · version 1.0.0 · publisher website

Connect your agent

{
  "mcpServers": {
    "directory": {
      "url": "https://publicapis.io/mcp"
    }
  }
}

Or ask Faceabot first: MCP tool check_reliability {"id":"io.publicapis/directory"} on https://faceabot.com/api/mcp.

Does it actually do the job?

Real task being tested — Faceabot asked list_offerings to do a small read-only task 1 time(s): 1 returned a real result, the last 1 in a row. Last result: ok in 2649 ms.

Sample input: {}. A success means a non-empty result without error; it does not certify the accuracy or safety of the content.

Faceabot measurements

When	Answers	Real task	Latency
2026-10-15 16:41 UTC	❌ timeout		14778 ms
2026-10-15 10:01 UTC	✅ ok	✅ done	4294 ms

Method: MCP initialize then tools/list from Faceabot (FaceabotProbe/1.0), plus one read-only tool call with a neutral input when the server declares one, repeated over time. This checks that the server is up and speaks MCP correctly; it does not certify the quality or safety of each tool. How measurement works.

Find tools similar to PublicAPIs.io →

Publisher of PublicAPIs.io?

Show your measured reliability on your README or website:

[![Measured by Faceabot](https://faceabot.com/badge/io.publicapis/directory.svg)](https://faceabot.com/tools/io.publicapis/directory)

Data in JSON: /api/catalog?id=io.publicapis/directory · Stop probes: POST /api/reliability/opt-out

AI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt

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