AI Agents API Library

eater2/ai_agents_api_library

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

GitHub stars: 33
tools: 4
transport: STDIO, HTTP
last updated: Nov 4, 2026

View on GitHub

Install

From registry metadata

$ npx add-mcp https://ai-agents-api-library.vercel.app/mcp --name ai_agents_api_library

Run in your terminal. add-mcp asks which agents to add it to (Claude Code, Codex, Cursor and more). Add -g to install it for every project.

Review the command, arguments and environment values before installing. MCP servers run with your local permissions.

Other ways

Claude Code

$ claude mcp add --transport http ai_agents_api_library https://ai-agents-api-library.vercel.app/mcp

Run in your terminal. Add --scope user to make it available in every project.

Tools

Verified live · 4 tools

Verified live against the running server on Nov 6, 2026.

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

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

No parameters. Call it with no arguments.

search_apisSearch 300+ catalog entries of third-party APIs and MCP servers (each with a last-checked date) by operation or keywords, with optional category and quality filters. `match`: exact = the entry lists the operation and its example call or an MCP tool performs it; listed = the en...16 params

Search 300+ catalog entries of third-party APIs and MCP servers (each with a last-checked date) by operation or keywords, with optional category and quality filters. `match`: exact = the entry lists the operation and its example call or an MCP tool performs it; listed = the en...

Parameters* required

authstring

one of api_key · oauth2 · api_key+oauth2 · none · cloud_iam

categorystring

Category id from list_categories, e.g. 'video-generation'

free_tierboolean

Only services with lasting free usage (not one-off trial credits)

include_trialsboolean

With free_tier: also accept one-off trial or signup credits

limitinteger

Max results, default 10

mcpstring

official: MCP server by the vendor; remote: hosted endpoint that answered an MCP handshake (no install); any: any MCP server. Docs-only servers never countone of official · remote · any

min_downloadsinteger

Only services whose official SDKs (npm + PyPI) have at least this many downloads per month, e.g. 100000. Services without a known SDK are excluded

min_issue_healthinteger

Only services whose main GitHub repo (official SDK, MCP server or spec) scores at least this issue_health, e.g. 60. 0-100: 40% share of issues resolved (open vs fixed now; closed as not planned doe...

min_ratingnumber

Only services whose user reviews (SourceForge) average at least this, e.g. 4. Services without reviews are excluded

min_reviewsinteger

Only services with at least this many user reviews, e.g. 10. Services without reviews are excluded

no_authboolean

Only services usable without any key

no_cardboolean

Only services whose free plan needs no payment card (or no account at all)

querystring

The operation you need, e.g. 'text to video', 'geocode street addresses', 'send sms'

sortstring

fit (default): operation fit and task factors; rating: user rating weighted by review count, so 5/5 from one review does not lead; reviews: most reviewed first; usage: most monthly SDK downloads (n...one of fit · rating · reviews · usage · issues

verboseboolean

Also return ratings (reviews, usage, issues, uptime) and the full MCP block with client config; on by default with an opinion filter or sort

volumestring

bulk: many calls (batch jobs, 100+ items); services whose terms forbid bulk use are ranked last. Inferred from the query if omittedone of single · bulk

get_apiFull entry for one service: docs, auth scheme and how the credential is sent, base URL, operations, MCP endpoint or repository (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, l...1 params

Full entry for one service: docs, auth scheme and how the credential is sent, base URL, operations, MCP endpoint or repository (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, l...

Parameters* required

id*string

Service id from search_apis

get_reviewsPublic 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. Reviews do not show whether the API fits the task. Each review has aspect tags; `t...7 params

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. Reviews do not show whether the API fits the task. Each review has aspect tags; `t...

Parameters* required

about_apiboolean

Only reviews that mention the API, reliability, auth, limits, breaking changes or docs

aspectstring

Only reviews tagged with this aspectone of api · reliability · auth · limits · breaking_changes · docs

id*string

Service id from search_apis

limitinteger

Max reviews, default 20

max_ratinginteger

Only reviews rated at most this, e.g. 2 for complaints

min_ratinginteger