Model Context Protocol (MCP) Server Directory

Prompt injection in MCP is a critical security gap. This 7-layer MCP Gateway blocks 99.7% of injection attempts with 4.2ms overhead. Complete code for pattern detection, rate limiting, output sanitization, and audit logging.

Cloudflare R2 added vector search in June 2026 with zero egress fees. This FastMCP server runs on Cloudflare Workers as a stateless MCP endpoint, enabling Claude Desktop and Cursor to search agent knowledge bases stored in R2 with sub-50ms latency and no bandwidth costs.

Anthropic's Tool Search Tool reduces context consumption by 85% by discovering tools on-demand instead of loading all definitions upfront. This FastMCP server wraps the Tool Search API, providing a unified MCP endpoint that Claude Desktop, Cursor, and any MCP client can use for dynamic tool discovery across 500+ tools.

AI agent observability is the #1 production gap in 2026 — 73% of teams can't trace agent decision paths across multi-step workflows. This FastMCP server connects Datadog APM to Claude Desktop, exposing agent traces, token consumption metrics, and error spans through natural language queries.

Build a FastMCP Python server that exposes OS-level system management tools for Claude Desktop and Cursor, inspired by openKylin KylinBot's autonomous OS agent architecture.

Build a FastMCP TypeScript server exposing CrowdStrike Falcon SIEM threat detection, IOC lookup, and vulnerability scoring as MCP tools for Claude Desktop and Cursor.

Build a FastMCP TypeScript server exposing CrewAI 1.15 conversational flows, crew management, and execution context as MCP tools for Claude Desktop and Cursor.

Koboldcpp v1.120 ships DirectIO loading and Qwen 3.8-Flash-Next support. Build a FastMCP server that lets Claude Desktop discover, load, switch, and query local open-weight models through the MCP protocol.

Faro AI powers structured clinical data for 6 of the top 10 pharma companies. Build a FastMCP server that exposes trial-protocol search, patient-cohort matching, and regulatory dossier generation as MCP tools for healthcare agents.

Tencent's Hy4-preview 770B model is available under Apache 2.0. Build a FastMCP server that exposes local Hy4 inference as an MCP tool for Claude Desktop and Cursor IDE.

Artiforge is not just another MCP server — it is a complete AI development toolkit. Build a FastMCP Python server that exposes code generation, test writing, refactoring, and documentation tools to Claude Desktop agents.

Sprinklr's Summer '26 release added MCP beta access. Build a production FastMCP TypeScript server that exposes enterprise customer data, campaign metrics, and LLM-powered insights to Claude Desktop and Copilot agents.