API Development MCP Servers

The most complete MCP server for API testing. 36 tools: HTTP requests (with token-optimized responses), assertions, request flows, OpenAPI

MCP connectors for disco.dev

Transcend MCP Server — Consent Management tools.

conspiracy-theory MCP — wraps StupidAPIs (requires X-API-Key)

An MCP Server to query Erick Wendel's community contributions such as talks, posts and videos.

MCP server for the Control D DNS service API

Local MCP server for Convertly media workflows over approved filesystem folders.

Full-featured MCP server for DaData.ru — Russian address validation, company lookup, phone cleaning, geocoding for AI agents

MCP server wrapping @apitomy/data-models for AI-assisted OpenAPI and AsyncAPI editing

API documentation drift detector MCP server — find where your docs lie before your users do

dogabot MCP server - read-only tools for Pro and Institutional API keys

MCP server for DynamicWeb 10 Admin API

EasyParcel CLI — a comprehensive command-line interface for the EasyParcel Open API, built for humans and AI agents.

emoji-oracle MCP — wraps StupidAPIs (requires X-API-Key)

excuse MCP — wraps StupidAPIs (requires X-API-Key)

MCP server with real-time observability dashboard

The Form.io Universal Agent Gateway (UAG).

Gong MCP — wraps the Gong API v2 (OAuth)

Comprehensive MCP server for the Google Forms API — full coverage of form creation, management, responses, and built-in analytics

Enhanced MCP server for GraphQL with dynamic headers and robust variables parsing — a drop-in replacement for mcp-graphql.

MCP server for describing and invoking gRPC methods