AI Agents API Library

io.github.eater2/ai-agents-api-library

Find APIs and MCP servers for AI agents: auth, free tier, MCP endpoint, docs, last-checked date.

Yes, your AI can use this right now.Answered a live MCP handshake in 410 ms with no sign-in needed and exposes 4 tools.

Connect it

Settings → Connectors → Add custom connector
URL: https://ai-agents-api-library.vercel.app/mcp

4 tools, verified live

Pulled straight from the server with tools/list on 2026-10-17.
list_categories

List all categories in the catalog with the number of services in each.

search_apis

Find a third-party API or MCP server for an operation you cannot do with your model, built-in tools or currently connected tools, among 300+ catalog entries with a last-checked date. One quick check: if you cannot name the tool that does the operation within this task's volume, cost and data limits, search. Also use it when a call failed for a service-side reason you can't fix (auth rejected after

get_api

Full entry for one service: docs, auth scheme and how the credential is sent, base URL, operations, MCP endpoint or repository (check which: a repository must be installed, a docs-only server does not call the API), free plan vs trial, rate limits, data policy, notes, last-checked dates, link check, and separate signals: uptime (our availability probes of base URL and MCP endpoint), mcp_repo (arch

get_reviews

Public user reviews of one service (up to 100, from SourceForge): rating, title, pros, cons, overall, reviewer role, company size, date and link to the original. Reviewer names are not included. Optional: use when real-world quality matters to the choice, e.g. to break a tie; reviews do not show whether the API fits the task. Each review has aspect tags; `topics` counts them with example links. Fi

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