API Development MCP Servers

Reference MCP server for the Polyphony protocol — let any model participate in GitHub Discussions as an independent voice.

A Model Context Protocol (MCP) server that executes the requests in a Postman collection folder — resolving variables, running pre-request

MCP server for restarting Claude Desktop

MCP server wrapping the RockyGeo IP geolocation API

Sipgate API MCP server for AI code assistants

A Model Context Protocol (MCP) server for reading and analyzing Swagger/OpenAPI documentation with TypeScript type generation and mock data

MCP server for querying Swagger schema - get request/response schemas by API path

gRPC and connect RPC mock server with hot reload, and rule-based responses

YAPI MCP Server - supports Cookie authentication, querying projects, interface lists, interface categories, interface details, adding and mo

Up-to-date library documentation for the model

Step-by-step reasoning as a tool, hosted by mcprush

Neural web search built for agents

Figma designs as structured context

Fetch a URL and hand the model readable text

Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.

Evidence-first registry of real-world APIs for AI agents, with verified metadata and comparison.

GraphQL SDL definition count, body discarded

Meaning of HTTP 408.

GraphQL operation count, query discarded

Meaning of HTTP 431.

Apideck Unified API MCP — 229 tools across 200+ SaaS connectors (accounting, HRIS, file storage).