MCP servers for designing, testing and calling APIs — REST, GraphQL, OpenAPI, webhooks and gateways. Each entry is scanned with the deterministic Capability-Flow Trust Model — grades are computed, never self-reported.
[](https://smithery.ai/server/mcp-graphql)
Adapters for the FrontMCP framework
Model Context Protocol server for New Relic observability platform integration
Model Context Protocol (MCP) server for Mealie — exposes every Mealie REST API endpoint as an MCP tool.
Outlook Assistant — MCP server with 22 tools for email, calendar, contacts, and settings via Microsoft Graph API
A command line tool for setting up PayPal MCP server
Model Context Protocol server for Testomatio API
MCP Server for DeepSeek API integration - enables Claude Code to use DeepSeek Chat and Reasoner models
Replicate provider — Real-ESRGAN upscaling, BRIA RMBG background removal, Stable Inpainting, Demucs audio isolation, Kling video generation
YouTube MCP Server Implementation
API for Habitify habit tracking service
The Form.io Universal Agent Gateway (UAG).
MCP server for the RelationalSEO (SEER) API - exposes the EntityOS, DiagnosticOS, DriftOS, PageOS, BacklinkOS, CredentialOS, GBPOS, VisionOS, ChatGPT-OS and combined diagnostic tools to MCP clients.
[](https://github.com/modelcontextprotocol)
MCP server for Chronary — calendar tools for AI assistants (Claude Desktop, Cursor, VS Code, Windsurf)
Personal MCP server for Oura Ring API v2
A Model Context Protocol server for integrating HackMD's note-taking platform with AI assistants.
Official MCP server for dropthis — publish content and get a permanent URL from any MCP-compatible agent.
MCP server for PreReason — the Context API for financial agents. 17 pre-reasoned market briefings with trend signals, regime classification, confidence scores, and cross-asset correlations.
Model Context Protocol server for Respond.io API integration with STDIO and HTTP/SSE support
MCP server for the Live Tennis API — give Claude, Cursor and other LLM agents real-time tennis scores, players and fixtures for ATP, WTA, Challenger and ITF. Odds and model win-probability tools require the PRO and ULTRA plans.
World news for AI agents — MCP server with real-time AI-clustered events, topic classification, geographic filtering. Free, no API key.
MCP server for the VesselAPI — maritime vessel tracking, port events, emissions, and navigation data
MCP server for Weishaupt WEM Portal - control and monitor your heating system