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maintenanceA sovereign, universal API validation and multi-industry compliance security MCP server.
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API Testing
Tools for testing, validating, and documenting APIs. Enables creation and execution of API requests, validation of responses, and management of API collections.
MCP ServersBrowse all →
- AlicenseBqualityDmaintenanceMercado Pago's Official MCP Server offers tools so that developers can easily interact with our API using natural language, which simplifies tasks and product integration. Remotely hosted by Mercadolibre supporting Streamable HTTP Transport. Details on how to connect: https://mcp.mercadopago.com/Last updated18Apache 2.0
- AlicenseAqualityBmaintenanceMCP server for mockzilla. Lets coding agents (Claude Desktop, Cursor, etc.) install the mockzilla CLI, stand up API mocks from an OpenAPI spec or a single endpoint, and — with an account — deploy hosted mocks on mockzilla.org.Last updated14995MIT
delimitofficial
AlicenseBqualityAmaintenanceOne workspace for every AI coding assistant. Governance tools for API lint, diff, persistent ledger, multi-model deliberation, security audit, and test verification. Works with Claude Code, Codex, Cursor, and Gemini CLI.Last updated10075921MIT
Gud API MCP Serverofficial
AlicenseAqualityCmaintenanceEnables AI agents to create, run, and save API requests and collections as local Gud API files, which are git-committable and viewable in VS Code-compatible editors.Last updated8255Sleepycat
Tembo MCP Serverofficial
AlicenseAquality-maintenanceAn MCP server that enables Claude to interact with Tembo Cloud platform API, allowing users to manage Tembo Cloud resources through natural language.Last updated107- AlicenseAqualityCmaintenanceMCP server that exposes RESTForge capabilities to AI agents, enabling them to set up, configure, generate code, and manage RESTForge projects through natural language.Last updated2944MIT
thunderclient-mcpofficial
AlicenseBqualityCmaintenanceEnables AI tools to create and manage API requests and collections in Thunder Client, with automated collection and folder creation.Last updated22311MIT
Specmatic MCP Serverofficial
AlicenseAqualityCmaintenanceExposes Specmatic's API contract testing, resiliency testing, and mocking capabilities to AI coding agents via natural language, enabling automated validation and simulation of API behaviors.Last updated31311MIT
Postmanofficial
AlicenseBqualityAmaintenancePostman’s remote MCP server connects AI agents, assistants, and chatbots directly to your APIs on Postman. Use natural language to prompt AI to automate work across your Postman collections, environments, workspaces, and more.Last updated429,258288Apache 2.0
Kong Konnect MCP Serverofficial
AlicenseAqualityCmaintenanceA Model Context Protocol server enabling AI assistants to interact with Kong Konnect's API Gateway, providing tools to query analytics data, inspect configurations, and manage control planes through natural language.Last updated1043Apache 2.0
Apitomy Data Models MCPofficial
AlicenseBqualityBmaintenanceAn MCP server that wraps the @apitomy/data-models library for querying, validating, and editing OpenAPI and AsyncAPI documents.Last updated10018Apache 2.0
RequestBin MCP Serverofficial
AlicenseAqualityCmaintenanceEnables AI coding agents to create webhook bins, inspect and replay HTTP requests, and stand up mock API endpoints directly from the editor.Last updated136MIT- AlicenseAqualityDmaintenanceProvides AI-enabled access to Amazon Business API documentation, sample code, and troubleshooting resources. Enables developers to search and retrieve API documentation, generate integration code, and get guided solutions for common errors during the API integration process.Last updated211Apache 2.0
fetchsandbox-mcpofficial
AlicenseAqualityCmaintenanceTurn any OpenAPI 3.x spec into a runnable, stateful API environment for AI agents. Test real integration flows — multi-step workflows, persistent state, webhook delivery, retries, and edge cases — instead of guessing from docs or mocking endpoints. Generate committable markdown reports directly from Claude/Cursor. Includes 50+ pre-validated APIs like Stripe, GitHub, Twilio, OpenAI, and more.Last updated3109MIT
qa-probeofficial
AlicenseAqualityAmaintenanceProbes your live API and classifies why each endpoint failed (root cause, evidence, and a calibrated confidence level), exposed over MCP so your AI assistant debugs from evidence instead of guessing. Works with FastAPI, Express, Next.js, tRPC, and GraphQL.Last updated872Apache 2.0- AlicenseAqualityAmaintenanceDiscovers, inspects, and executes requests against OpenAPI or Swagger APIs directly from documentation URLs or specification files. It enables users to trace parameter usage across an API and perform authenticated HTTP requests through a structured toolset.Last updated8415MIT
- AlicenseAqualityBmaintenanceExposes YApi's API management capabilities to MCP clients, enabling operations like listing projects, categories, searching APIs, and managing API details.Last updated5263MIT
- AlicenseBqualityDmaintenanceEnables AI assistants to execute GraphQL queries and retrieve schema information from any GraphQL endpoint.Last updated2858MIT
- AlicenseAqualityDmaintenanceA Model Context Protocol server that interfaces with Alpaca trading API, allowing users to manage portfolios, place trades, and access market data through natural language interactions.Last updated836MIT
- AlicenseBqualityDmaintenanceAn MCP server that enables running Postman collections using Newman, allowing LLMs to execute API tests and get detailed results through a standardized interface.Last updated18MIT
- AlicenseAqualityCmaintenanceMCP server that provides tools for exploring and testing APIs through Swagger/OpenAPI documentation.Last updated57112MIT
- AlicenseAqualityCmaintenanceA Model Context Protocol server that enables AI assistants like Claude to manage song requests, monitor queues, and interact with streaming platforms' song request systems.Last updated6143MIT
- AlicenseAqualityCmaintenanceA standalone MCP server for API debugging, login authentication, API configuration management, and indexed API execution.Last updated514MIT
- AlicenseAqualityCmaintenanceA server that enables management of ApiPost API documentation and team collaboration through the Model Context Protocol, supporting complete interface management directly from compatible editors.Last updated838MIT
- FlicenseBqualityDmaintenanceProvides tools to communicate with a service dependency API, enabling users to query and interact with service relationship data and dependency mappings.Last updated7
- AlicenseAqualityDmaintenanceA service that dynamically generates MCP tools from Swagger/OpenAPI documentation, allowing Claude Desktop to directly invoke REST APIs through natural language.Last updated58MIT
- AlicenseBqualityDmaintenanceA server based on Model Context Protocol that parses Swagger/OpenAPI documents and generates TypeScript types and API client code for different frameworks (Axios, Fetch, React Query).Last updated121316ISC
- AlicenseAqualityDmaintenanceTurn any REST API into a hosted MCP server. 18 free public servers (GitHub, Stripe, Slack, OpenAI, Notion, and more) — no setup required, bring your own API key.Last updated29AGPL 3.0
- AlicenseBqualityDmaintenanceEnables interaction with ACOMO API through MCP tools and resources. Provides comprehensive API exploration, operation calling, and schema inspection capabilities for ACOMO backend services.Last updated82MIT
MCP ConnectorsBrowse all →
Detect breaking changes, generate changelogs, diff, and validate OpenAPI specs.
Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev
Create hosted mock REST APIs as tools: seed fake data, import specs, query, write, snapshot. Free.
Instant no-signup webhook & HTTP-request inspector for testing webhooks and agent tool-callbacks.
Apideck Unified API MCP — 330 tools across 200+ SaaS connectors (accounting, CRM, HRIS, ATS).
Keyless webhook endpoints: capture, wait, replay, forward, and generate types from real traffic.
Discover, pay for, execute, and publish APIs through Apiosk.
Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.
Your DRF API as MCP tools — 1,800 endpoints become 16 dispatchers, permissioned by Django.
Point Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.
Debug webhooks from your AI agent: inspect and replay captured webhooks on localhost.
Unified gateway exposing 150+ tools across all NexGenData MCP servers via one endpoint.
ship-on-friday MCP — wraps StupidAPIs (requires X-API-Key)
schrodingers-boolean MCP — wraps StupidAPIs (requires X-API-Key)
JSONPlaceholder MCP — wraps JSONPlaceholder fake REST API (free, no auth)