Model Context Protocol (MCP) Server Registry
The universal open-source directory of Model Context Protocol (MCP) servers. Search, inspect, and connect verified servers to give your AI assistants real-time access to live codebases, databases, APIs, and dev tools with instant 1-click JSON setup.
Local Filesystem
Secure file reading, writing, searching, and directory traversal on your local machine.
npx -y @modelcontextprotocol/server-filesystem
GitHub
Search code, manage repositories, read and create pull requests, commits, and issues.
npx -y @modelcontextprotocol/server-github
Git (Local)
Read, inspect, diff, commit, and branch local Git repositories without remote tokens.
uvx mcp-server-git
PostgreSQL
Query PostgreSQL databases, inspect schema definitions, and analyze table constraints.
npx -y @modelcontextprotocol/server-postgres
SQLite
Fast inspection and querying of local SQLite database files.
uvx mcp-server-sqlite
Brave Search
Give your AI assistant real-time web search and local queries via Brave Search API.
npx -y @modelcontextprotocol/server-brave-search
Fetch & Webpage Reader
Fetches and converts public URLs and web pages into clean markdown for AI reading.
uvx @modelcontextprotocol/server-fetch
Puppeteer Browser Automation
Headless Chromium browser automation: navigate web apps, click, take screenshots, and evaluate scripts.
npx -y @modelcontextprotocol/server-puppeteer
Playwright Automation
Cross-browser interactive web automation, capturing screenshots and browser console logs.
npx -y @executeautomation/playwright-mcp-server
Memory & Knowledge Graph
Persistent memory using a dynamic knowledge graph. Retains concepts and relationships across sessions.
npx -y @modelcontextprotocol/server-memory
Sequential Thinking
Structured reasoning tool that facilitates step-by-step problem-solving, hypotheses testing, and revision.
npx -y @modelcontextprotocol/server-sequential-thinking
Docker Management
Manage Docker containers, inspect running services, view container logs, and inspect images.
uvx mcp-server-docker
Sentry Error Tracking
Retrieve error issues, trace stack traces, and analyze crash telemetry directly inside AI chat.
npx -y @modelcontextprotocol/server-sentry
Slack Workspace
Read channel history, search conversations, and send messages across your Slack team.
npx -y @modelcontextprotocol/server-slack
Google Drive
Read, search, and parse files, spreadsheets, and Google Docs stored in your Google Drive.
npx -y @modelcontextprotocol/server-google-drive
Google Maps
Geocoding, navigation route calculation, place details, elevation, and distance matrix.
npx -y @modelcontextprotocol/server-google-maps
GitLab
Interact with GitLab projects, merge requests, CI/CD pipeline statuses, and repository code.
npx -y @modelcontextprotocol/server-gitlab
Redis
Inspect in-memory key-value caches, query Redis keys, strings, hashes, and sets safely.
uvx mcp-server-redis
MySQL
Inspect schemas, table structures, and run SQL SELECT queries against MySQL databases.
npx -y mysql-mcp-server
Tavily AI Search
Real-time search engine tailored specifically for LLMs and autonomous research agents.
npx -y tavily-mcp
Obsidian Markdown Vault
Search, retrieve, and append notes to your local Obsidian markdown vault.
npx -y mcp-obsidian
Reference Everything Server
Official reference MCP server providing mock tools, sample prompts, and dynamic resources for testing.
npx -y @modelcontextprotocol/server-everything
Linear Issue Tracker
Query sprint backlogs, auto-triage bug tickets, update issue states, and link commits to Linear user stories.
npx -y @linear/mcp-server
Notion Workspace
Read, search, create, and update pages and databases inside your Notion workspace.
npx -y @modelcontextprotocol/server-notion
Supabase Cloud
Inspect PostgreSQL database schemas, run migrations, and manage Edge Functions on Supabase.
npx -y @supabase/mcp-server
Stripe Payments
Inspect customer subscriptions, retrieve invoice details, and diagnose webhook payment failures.
npx -y @stripe/mcp-server
Cloudflare Platform
Inspect and manage Cloudflare Workers, KV stores, D1 SQL databases, and DNS records.
npx -y @cloudflare/mcp-server
Hugging Face Hub
Search model checkpoints, explore open datasets, and query inference endpoints on Hugging Face.
npx -y @huggingface/mcp-server
Figma Design Tokens
Inspect Figma design frames, extract color tokens, layout styles, and export SVG components.
npx -y @figma/mcp-server
ChromaDB Vector Store
Query local Chroma collections, perform semantic vector similarity search, and inspect embeddings.
uvx chroma-mcp
Atlassian Jira
Search Jira issues, inspect ticket descriptions, add comments, and transition sprint workflows.
npx -y jira-mcp
Weaviate Vector Search
Execute hybrid keyword and dense vector searches across Weaviate cloud or local clusters.
uvx weaviate-mcp
Google Antigravity SDK & Agents
Deploy, control, and inspect Google Antigravity autonomous AI agent sessions, background terminal commands, and tool pipelines directly through MCP.
uvx antigravity-mcp-server
Google Workspace (Docs, Sheets, Gmail)
Direct MCP integration for Gmail, Google Docs, Sheets, and Calendar. Create spreadsheets, read customer emails, and draft summaries seamlessly.
npx -y @modelcontextprotocol/server-google-workspace
OpenAI Codex & Code Interpreter Sandbox
Execute stateful Python code, visualize charts, calculate dataframes, and simulate algorithmic pipelines in a secure sandboxed interpreter.
uvx mcp-server-code-interpreter
Qdrant Vector Database
Production vector search engine for neural search, embeddings indexing, RAG retrieval, and hybrid payload filtering via MCP.
npx -y @qdrant/mcp-server-qdrant
MongoDB Atlas & Document Store
Query collections, aggregate pipeline stages, manage BSON documents, and index schemas across MongoDB Atlas clusters.
npx -y @mongodb-js/mcp-server-mongodb
Neo4j Graph Database & Cypher
Knowledge graph queries using openCypher, entity relation traversal, and graph embeddings for complex relational reasoning.
npx -y @neo4j/mcp-neo4j
Kubernetes Cluster & Pod Inspector
Manage pods, inspect deployment logs, describe services, and run read-only diagnostics across K8s namespaces.
uvx mcp-server-kubernetes
AWS Cloud Infrastructure (S3, CloudWatch, Lambda)
Inspect AWS CloudWatch log streams, check S3 bucket contents, query DynamoDB tables, and inspect Lambda functions.
uvx mcp-server-aws
ClickUp Project & Task Suite
Create tasks, assign sprints, update ticket statuses, and query project milestones across ClickUp team workspaces.
npx -y @modelcontextprotocol/server-clickup
Airtable Relational Bases
Read, create, and update records across Airtable relational bases, linked records, formulas, and schema views.
npx -y @modelcontextprotocol/server-airtable
Discord Community & Bot Manager
Send channel messages, read community announcements, moderate threads, and query Discord server channels via MCP.
npx -y @modelcontextprotocol/server-discord
Elasticsearch & OpenSearch Engine
Full-text cluster searches, faceted aggregations, log ingestion, and BM25 index filtering via Elasticsearch REST API.
npx -y @elastic/mcp-server-elasticsearch
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Complete 2026 Guide to the Model Context Protocol (MCP)
For years, using large language models felt like talking to a brilliant engineer trapped inside a windowless bunker. You had to copy-paste code snippets, screenshot terminal errors back and forth, and write boilerplate SQL queries by hand just to give the model the context it needed to help you.
In 2026, the Model Context Protocol (MCP) has completely dismantled this barrier. Open-sourced by Anthropic and rapidly adopted by Claude Desktop, Cursor IDE, Windsurf, Cline, Zed, and Continue.dev, MCP is now recognized as the universal "USB-C port" of artificial intelligence. Instead of building fragile custom API scripts for every individual AI model, developers can now connect standardized MCP servers that grant AI assistants secure, real-time access to production codebases, PostgreSQL databases, Docker containers, and live web browsers.
How MCP Works: The Three Core Primitives Explained Simply
The Model Context Protocol operates over a lightweight, bidirectional JSON-RPC 2.0 protocol. Regardless of whether an MCP server is written in TypeScript, Python, or Go, it exposes three fundamental building blocks to your AI client:
1. Tools (Action Execution)
Executable functions that the AI can call with structured parameters. Examples include running a SELECT query in PostgreSQL, fetching open pull requests from GitHub, or restarting a crashed Docker container.
2. Resources (Passive Context)
File contents, schema definitions, logs, or live system metrics that the AI can read passively to understand your development environment without executing code.
3. Prompts (Pre-Built Templates)
Standardized prompt workflows shipped directly with the server—such as "Review this Git PR for security vulnerabilities" or "Optimize slow SQL queries".
Step-by-Step: How to Configure MCP in Your Favorite AI Client
Configuring MCP servers takes less than two minutes once you know where your client's configuration file lives on your operating system:
| Client | Config File Path | Key Schema | Supported Transports |
|---|---|---|---|
| Claude Desktop |
macOS: ~/Library/Application Support/Claude/claude_desktop_config.jsonWindows: %APPDATA%\Claude\claude_desktop_config.json
|
"mcpServers" |
stdio (npx/uvx), SSE over HTTP |
| Google Antigravity Agent Studio |
macOS/Linux: ~/.gemini/config/mcp_config.jsonWorkspace: .agents/mcp_config.json
|
"mcpServers" |
stdio, background agent tools |
| OpenAI Codex / Custom Runners |
macOS/Linux: ~/.codex/mcp.jsonWindows: %USERPROFILE%\.codex\mcp.json
|
"mcpServers" |
stdio subprocess, container sandboxes |
| Cursor IDE |
Global: ~/.cursor/mcp.jsonWorkspace: .cursor/mcp.json
|
"mcpServers" |
stdio (Node/Python), custom commands |
| Windsurf (Codeium) |
macOS/Linux: ~/.codeium/windsurf/mcp_config.jsonWindows: %USERPROFILE%\.codeium\windsurf\mcp_config.json
|
"mcpServers" |
stdio, SSE HTTP |
| Cline / Roo Code (VS Code) |
macOS: ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.jsonWindows: %APPDATA%\Code\User\globalStorage\saoudrizwan.claude-dev\settings\cline_mcp_settings.json
|
"mcpServers" |
stdio subprocess, SSE |
| Zed Editor | ~/.config/zed/settings.json |
"context_servers" |
stdio command line |
Troubleshooting Common MCP Installation Gotchas
Here are the two most common errors developers encounter and how to resolve them immediately:
$PATH configured in your ~/.zshrc or ~/.bash_profile. To fix this, open your terminal, run which npx, and replace "command": "npx" with the absolute path returned (e.g. /usr/local/bin/npx or /opt/homebrew/bin/npx).
?sslmode=require. For local development, always connect using a dedicated read-only database user (e.g., GRANT SELECT ON ALL TABLES IN SCHEMA public TO readonly_user;) to prevent accidental data modification.