Community-curated 20 servers and counting

The open registry for MCP servers

Discover and connect free, open-source Model Context Protocol servers. Built for AI engineers shipping with LangGraph, LangChain, and CrewAI.

20+
MCP Servers
8
Categories
MIT
License
$0/mo
Infra Cost

WORKS WITH CLAUDE DESKTOP · CURSOR · LANGCHAIN · LANGGRAPH · CREWAI

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Browse Servers

20 open-source MCP servers

SQLite MCP Server

★ Featured

modelcontextprotocol

Database

A Model Context Protocol server that provides read and write access to local SQLite databases. Enables LLMs to execute SQL queries, inspect schemas, and manage data through standardized tool calls.

#sqlite #database #sql #langchain
18.4k
View on GitHub

GitHub MCP Server

★ Featured

modelcontextprotocol

Development

Interact with GitHub APIs through MCP. Manage repositories, issues, pull requests, code search, and file operations — giving autonomous agents full-cycle software development capabilities.

#github #git #devops #issues
18.4k
View on GitHub

Filesystem MCP Server

modelcontextprotocol

Utilities

Secure, configurable filesystem access for MCP agents. Supports reading, writing, listing, searching, and moving files — with sandboxed directory restrictions for safe autonomous operation.

#filesystem #files #io #sandbox
18.4k
View on GitHub

Brave Search MCP

modelcontextprotocol

Search

Web and local search capabilities via Brave Search API. Enables agents to perform real-time web searches, news lookups, and local business queries with privacy-first, ad-free results.

#search #web #brave #real-time
18.4k
View on GitHub

Shodan MCP Server

★ Featured

BurtTheCoder

Security

Attack surface reconnaissance via Shodan's internet-wide scanning database. Query exposed services, CVEs, open ports, and organization-wide exposure reports — purpose-built for ASM agents.

#shodan #asm #recon #cve
312
View on GitHub

Nmap MCP Server

vorotaai

Security

Network discovery and port scanning through MCP. Enables security agents to run configurable Nmap scans, parse results, and feed structured host/service data into automated vulnerability workflows.

#nmap #network #scanning #pentest
187
View on GitHub

PostgreSQL MCP Server

modelcontextprotocol

Database

Read-only PostgreSQL access for LLM agents. Inspect schemas, run analytics queries, and retrieve relational data with safe, connection-pooled access to production or staging databases.

#postgresql #database #sql #analytics
18.4k
View on GitHub

Docker MCP Server

QuantGeekDev

DevOps

Manage Docker containers, images, volumes, and networks via MCP. Gives DevSecOps agents the ability to spin up containers, run workloads, and manage container lifecycles.

#docker #containers #devops #sandbox
423
View on GitHub

Semgrep MCP Server

semgrep

Security

SAST (Static Application Security Testing) via Semgrep rules directly in MCP. Agents can scan codebases for security anti-patterns, secrets, and vulnerabilities as part of automated code review pipelines.

#sast #semgrep #code-scanning #devsecops
156
View on GitHub

Slack MCP Server

slackapi

Communication

Send messages, read channels, manage workspaces, and search Slack history. Lets orchestration agents deliver alerts, status updates, and incident notifications into team communication channels.

#slack #notifications #alerts #incident-response
18.4k
View on GitHub

Puppeteer MCP Server

modelcontextprotocol

Utilities

Headless browser automation through MCP. Capture screenshots, fill forms, scrape dynamic pages, and automate web interactions — essential for agents that need to test or monitor web applications.

#puppeteer #browser #scraping #automation
18.4k
View on GitHub

AWS Knowledge Base MCP

modelcontextprotocol

Cloud

Retrieval-Augmented Generation (RAG) against Amazon Bedrock Knowledge Bases. Provides agents with semantic search over enterprise document stores, FAQs, and internal wikis stored in AWS.

#aws #bedrock #rag #knowledge-base
18.4k
View on GitHub

Sequential Thinking MCP

★ Featured

modelcontextprotocol

Utilities

Structured step-by-step thinking and planning capabilities. Allows agents to break down complex tasks, plan execution paths, evaluate hypotheses, and dynamically adjust reasoning strategies.

#thinking #reasoning #planning #logic
18.4k
View on GitHub

Memory Graph MCP

★ Featured

modelcontextprotocol

Database

Persistent semantic knowledge-graph memory for AI agents. Enables LLMs to construct, read, write, and query fact-relationship networks to maintain long-term memory across chat sessions.

#memory #knowledge-graph #persistent #learning
18.4k
View on GitHub

Fetch Web Page MCP

modelcontextprotocol

Utilities

Fetch web page content and convert it into clean, readable Markdown. Optimized for LLMs to read documentation, APIs, and online articles without HTML or script noise.

#fetch #web-reader #markdown #scraping
18.4k
View on GitHub

Notion Workspace MCP

makenotion

Utilities

Interact with Notion workspaces through MCP. Retrieve page contents, query databases, append blocks, and search workspace pages to give agents access to team wikis and document hubs.

#notion #wiki #documentation #productivity
350
View on GitHub

Linear Issues MCP

modelcontextprotocol

Development

Linear project tracker integration. Search issues, create new tasks, update tickets, and inspect backlogs to help autonomous project management agents orchestrate development cycles.

#linear #issues #pm #workflow
18.4k
View on GitHub

GitLab Integration MCP

modelcontextprotocol

Development

Interact with GitLab API. Manage repositories, issues, merge requests, groups, and build pipelines — giving autonomous agents full-cycle GitLab development capabilities.

#gitlab #git #devops #issues
18.4k
View on GitHub

Sentry Error Analyzer

modelcontextprotocol

DevOps

Interface with Sentry to retrieve application issues, stack traces, and release logs. Enables automated debugging agents to discover and analyze production errors.

#sentry #errors #debugging #logs
18.4k
View on GitHub

Google Maps API MCP

modelcontextprotocol

Cloud

Provides agents with geo-location, search, mapping, and direction calculations using the Google Maps platform APIs. Ideal for travel and logistics agent routing.

#google-maps #maps #location #routing
18.4k
View on GitHub

Integration Guide

Three steps to connect

From discovery to production in minutes

01

Discover

Search the registry by category, tag, or use case. Every server is open-source, free, and community-vetted.

02

Install

One-line install via npm, pip, or uv. Follow the GitHub README for environment-specific setup.

03

Connect

Add the server to your claude_desktop_config.json, LangGraph agent, or CrewAI tool list.

claude_desktop_config.json
{
  "mcpServers": {
    "sqlite": {
      "command": "uvx",
      "args": ["mcp-server-sqlite", "--db-path", "./data.db"]
    },
    "github": {
      "command": "npx",
      "args": ["-y", "@modelcontextprotocol/server-github"]
    }
  }
}

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