Discover Awesome MCP Servers

MCP Database Server

Provides Claude with direct access to databases including SQLite, SQL Server, PostgreSQL, and MySQL, enabling execution of SQL queries and table management through natural language.

GLOBAL TAX RATES MCP | AI2Fin

AI2Fin's free Tax MCP server connects any assistant or agent — Claude, ChatGPT, Cursor, custom builds — to live tax data: GST and VAT rates, income tax, company tax and capital gains across all the countries. Every answer cites the national tax authority with a verified date. No login, no API key, nothing stored. Explore for fun facts alongside all the verified rates.

Codex MCP Sidecar

A local MCP server that lets Claude Code start, resume, and wait for Codex app-server sessions while humans inspect live sessions from a terminal.

reddit-search

Enables searching Reddit posts, fetching subreddit content, and retrieving post comments without requiring an API key. It uses public JSON endpoints to provide seamless access to Reddit data for LLM-based applications.

ProjectSight MCP Server

Provides access to the ProjectSight API for managing construction portfolios, projects, and records like ActionItems, RFIs, and Submittals. It features a modular architecture supporting CRUD operations, workflow state management, and OAuth2 authentication.

Crawl4AI MCP Server

High-performance server enabling AI assistants to access web scraping, crawling, and deep research capabilities through Model Context Protocol.

ox402-utils

Enables AI agents to call 45 micro-priced utility tools via x402 micropayments on Base, covering search, screenshots, OCR, PDFs, WHOIS, geo-IP, and more without API keys.

Remote MCP Server (Authless)

Enables deploying a remote MCP server on Cloudflare Workers without authentication, allowing users to add custom tools and connect to clients like Claude Desktop and Cloudflare AI Playground.

GroundMemory

An MCP-native, local-first memory server that gives AI agents persistent, structured memory across sessions and tools, enabling them to maintain identity and context without reconfiguration.

XiaoZhi MCP Bridge

Bridges MCP for XiaoZhi AI agent using Cloudflare Workers + Durable Objects, maintaining persistent WebSocket connection and enabling custom tool execution.

MCP Power - Knowledge Search Server

Enables semantic search across multiple knowledge datasets using FAISS vector embeddings, allowing natural language queries to find relevant documents with fast retrieval.

mcp-scaffold

*开发中* 用于测试和开发 MCP 客户端和服务器的脚手架

grimoire

Enables AI models to search and retrieve offline security knowledge from over 20 curated sources including HackTricks, PayloadsAllTheThings, and OWASP guides, via the Model Context Protocol.

wet-mcp

Web search (embedded SearXNG), content extraction, and library docs indexing with hybrid search. No API keys required.

ZepAI Memory Layer MCP Server

Auto-converts FastAPI endpoints into MCP tools for semantic search, data ingestion (text, code, conversations), and knowledge graph operations. Provides dual access through MCP protocol and direct API calls with automatic tool generation from FastAPI routes.

🔒 MCP Server Authentication Reference Collection

🔒 参考 MCP 服务器，演示如何使用当前模型上下文协议规范进行身份验证。

Yahoo Mail MCP Server

Enables reading, searching, composing, and managing Yahoo Mail emails via IMAP with OAuth support for both local and remote MCP clients.

magpie-search

Federated, local-first search for AI agents: one query fans across transcripts, files, a knowledge graph, a vector store, the live web, and YouTube, fused by trust-weighted RRF into one ranked answer. Five modes (grep/lexical/semantic/hybrid/rerank), runs entirely on your machine over MCP.

ModAST-MCP

Module-aware AST MCP server for C++20/23 projects using clangd for AST/LSP operations and a source-level module index, enabling module graph queries, references, diagnostics, and code formatting.

mac-use

在原生 Mac 上使用 LLM 和 MCP 服务器。

Zotero MCP Server

Enables Poke to search and manage Zotero research library, including items, tags, collections, notes, full text, and annotations.

jaeger-mcp

Provides read-only access to Jaeger distributed tracing data through the Model Context Protocol. Enables Claude and other MCP-capable agents to search traces, inspect spans, and analyze service dependencies directly within conversations.

SciMCP

An MCP server for computational materials science that enables AI assistants to generate LAMMPS simulations, parse outputs, analyze nematic order, detect plastic rearrangements, and estimate viscosity through 12 specialized tools.

mcp-isin

Validates ISIN and CUSIP securities identifiers, and converts CUSIP to ISIN. Part of Pipeworx MCP gateway for financial data.

cyclops

A security MCP proxy that monitors and blocks data exfiltration between AI agents and their tools by detecting toxic flows (untrusted → sensitive → egress) deterministically with zero LLM calls in the decision path.

PostgreSQL MCP

Provides AI-driven PostgreSQL database management with secure OAuth 2.1 authentication, enabling users to administer, monitor, and query databases with support for extensions like pgvector, PostGIS, and pg_cron.

timely-mcp-server

MCP server for Timely time tracking API. Connects Claude Code to your Timely account for reading and creating time entries, projects, tasks, and users.

DocImprint

Verifiable document intelligence for AI agents. Extract, summarize, claim-check, and notarize PDFs & URLs with cryptographic proofs, cross-document search, and on-chain attestation via Base L2.

MCP-Gateway

MCP-Gateway

@qirabot/mcp

Enables AI assistants to control mobile and desktop devices with natural language, including running automation tasks, taking screenshots, and managing devices.