API (Application Programming Interface) Information and Resources

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API (Application Programming Interface) Information and Resources

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Why this server?
World's biggest API index with 22,000+ APIs, enabling AI agents to discover and call APIs at runtime.
APIClaw
RAG Systems Search API Testing
nordsym
A
license
A
quality
C
maintenance
The API layer for AI agents. World's biggest API index with 22,000+ APIs and growing. Agents discover and call APIs at runtime with semantic search, structured metadata, and 18 Direct Call APIs including AI providers.
Last updated 2026-05-18
19
868
7
MIT
Why this server?
Discover and evaluate APIs for AI agents with AN Score, zero-signup discovery, and managed execution.
Rhumb
AI & Machine Learning Agent Orchestration Developer Tools
supertrained
A
license
A
quality
B
maintenance
Discover and evaluate APIs for AI agents with AN Score, then access them through MCP or REST with zero-signup discovery and managed execution paths.
Last updated 2026-05-28
16
0
1
MIT
Why this server?
Semantic search and discovery of free public APIs from an extensive catalog.
Public APIs MCP
RAG Systems Search Databases
zazencodes
A
license
A
quality
B
maintenance
Enables semantic search and discovery of free public APIs from an extensive catalog. Provides embedding-based search over API names and descriptions, plus detailed API information retrieval.
Last updated 2025-09-08
2
6
MIT
Why this server?
Natural language API discovery over 700+ API capabilities across 163 providers.
Semantic API
Search API Testing Documentation Access
peter-j-thompson
A
license
B
quality
C
maintenance
Natural language API discovery MCP server. Search 700+ API capabilities across 163 current providers, get, exact endpoints, auth setup, and code snippets. Supports auto-discovery of new APIs.
Last updated 2026-02-20
3
MIT
Why this server?
Dynamic API discovery and interaction via Swagger/OpenAPI specs and Postman collections.
Swagger/Postman MCP Server
API Testing Developer Tools App Automation
MCP-Mirror
F
license
-
quality
-
maintenance
Enables AI agents to dynamically discover and interact with APIs through Swagger/OpenAPI specifications and Postman collections using a strategic four-tool approach. It streamlines API integration by providing universal tools for endpoint discovery, detailed request information, and authenticated execution.
Last updated 2025-06-25
1
Why this server?
Connect to any HTTP API on the fly, with server-side search and cross-API normalization.
liquid-mcp
App Automation Autonomous Agents Remote
ertad-family
A
license
A
quality
A
maintenance
Connect your agent to any HTTP API on the fly: Liquid discovers and maps any REST API once, then fetches typed data deterministically. Server-side search/aggregate, cross-API normalization, and structured recovery built in.
Last updated 2026-05-30
6
AGPL 3.0
Why this server?
Transforms any API into an intelligent MCP agent for natural language interaction.
Automagik Tools
Agent Orchestration App Automation Developer Tools
namastexlabs
A
license
-
quality
C
maintenance
Transforms any API into an intelligent MCP agent in seconds, enabling natural language interaction with APIs through the Model Context Protocol.
Last updated 2025-12-02
15
Apache 2.0
Why this server?
Point at any API and automatically figure out endpoints and multi-step workflows.
jitapi
API Testing App Automation RAG Systems
nk3750
A
license
A
quality
C
maintenance
Point Claude at any API. JitAPI figures out which endpoints to call and in what order — automatically. Register any OpenAPI spec, search endpoints in plain English, and orchestrate multi-step workflows across multiple APIs. No API keys required — works out of the box with local embeddings.
Last updated 2026-05-27
8
6
MIT
Why this server?
Bridges Torna API documentation system with AI assistants for natural language API search and curl generation.
Torna MCP Server
Documentation Access API Testing Developer Tools
chenqi146
A
license
-
quality
C
maintenance
Bridges Torna API documentation system with AI assistants, enabling natural language search, API discovery, detailed documentation retrieval, and curl command generation for your Torna-managed APIs.
Last updated 2025-12-04
5
1
Apache 2.0