MCP servers

An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. This section lists servers with their transport, auth method and environment variables, an install command and an honest read on the risks.

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Found: 503

Official

Local context compression for agents: tool outputs, logs, files and RAG chunks shrink before reaching the LLM. Proxy, CLI, library and MCP

74.1KRepository stars
Official

A long-term memory system for AI agents: the agent stores experience and facts, then retrieves them through a built-in MCP server

42.7KRepository stars

GitHub's official MCP server: code, issues, pull requests, Actions and security alerts straight from the agent

33.3KRepository stars

An MCP server that gives agents IDE powers: symbol and reference lookup, symbol-level edits and renames via LSP or JetBrains

29.9KRepository stars

Blender MCP

MCP for Blender

An MCP server and Blender addon: the agent creates and edits objects, materials and scenes, pulls assets and runs Python in Blender

29.6KRepository stars

An MCP server with n8n node and template knowledge: the agent picks nodes, validates configs and, with API access, creates workflows in your n8n

23KRepository stars
Official

Google's open-source MCP server for databases: ready tools for Postgres, MySQL, BigQuery, Spanner and more, plus custom tools in tools.yaml

16.5KRepository stars

An MCP server that lets an agent work on your computer: terminal and long-running processes, file search and edits, Excel, PDF and DOCX

9.8KRepository stars
Official

AWS's official MCP server suite: docs, IaC, containers, serverless, databases, cost and monitoring

9.7KRepository stars

An MCP server for Jira and Confluence, cloud and self-hosted: search, create and edit issues and pages

5.9KRepository stars

Firebase MCP Server

Firebase CLI and MCP Server

Official

Official Firebase MCP server from the Firebase CLI: projects, Firestore, Auth, Crashlytics, Remote Config and function logs

4.5KRepository stars
Official

Cloudflare's set of remote MCP servers: docs, Workers, logs, Radar, browser, DNS and other account services

4.3KRepository stars
Official

Microsoft's official MCP server for Azure: the agent sees subscription resources and works with Azure services on your behalf

3.7KRepository stars

A token-lean MCP server for PostgreSQL, MySQL, MariaDB, SQL Server and SQLite with a read-only mode

3.6KRepository stars

Grafana MCP Server

Grafana MCP server

Official

Grafana's official MCP server: dashboards, Prometheus and Loki queries, alerts and incidents straight from the agent

3.5KRepository stars

One MCP server for Gmail, Calendar, Drive, Docs, Sheets, Slides, Forms, Tasks, Contacts, Chat and Apps Script with OAuth 2.1

3.3KRepository stars
Official

Supabase's official MCP server: the agent manages tables, reads project config and queries data after an OAuth login

2.9KRepository stars

A Go MCP server for Kubernetes and OpenShift: resources, pods, logs, Helm and Tekton straight through the cluster API

2.1KRepository stars
Official

Microsoft's official MCP server for Azure DevOps: work items, repos, builds, test plans and wikis from your agent

2KRepository stars

An MCP server for GitLab and self-hosted instances: projects, merge requests, issues, pipelines, wiki and releases

2KRepository stars
Official

Stripe's official MCP server, plugins and skills: the agent searches the API and docs, reads and changes account data

1.8KRepository stars
Official

Official WordPress package that turns Abilities API abilities into MCP tools, resources and prompts

1.8KRepository stars
Official

The official MathWorks MCP server: the agent starts and quits MATLAB, writes and runs code, and checks it for errors and style

1.6KRepository stars

Kubernetes MCP

MCP Server Kubernetes

MCP server for managing a Kubernetes cluster through kubectl and Helm, with a non-destructive mode

1.6KRepository stars

Frequently asked questions

What is an MCP server?

An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. The agent calls its tools while it works.

How do I connect an MCP server to an agent?

The entry lists how to run it (npx, uvx, docker or a remote URL) and the environment variables. A config snippet goes into the agent settings.

Do I need a key or a paid account?

It depends on the server. Each entry states the auth method and requirements, including paid accounts, in the limitations block.