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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Official

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

MCP serverHigh risk74KRepository 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

MCP serverHigh risk41KRepository 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

MCP serverHigh risk16.5KRepository stars
Official

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

MCP serverHigh risk2KRepository stars
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Stripe's official MCP server, plugins and skills: the agent searches the API and docs, reads and changes account data

MCP serverHigh riskNeeds a VPN1.8KRepository stars
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The official MathWorks MCP server: the agent starts and quits MATLAB, writes and runs code, and checks it for errors and style

MCP serverHigh riskNo VPN needed1.6KRepository stars
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HashiCorp's official MCP server for the Terraform Registry and HCP Terraform: providers, modules, policies and workspaces

MCP serverHigh risk1.5KRepository stars
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Official MongoDB MCP server: queries and aggregations, index management, Atlas clusters and local deployments

MCP serverHigh risk1.1KRepository stars
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Atlassian's official cloud MCP server for Jira, Confluence, Jira Service Management, Bitbucket, Compass and Loom, with skills

MCP serverHigh risk1.1KRepository stars
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Official Cloudflare MCP server: the agent drives the whole Cloudflare API by searching the spec and running code

MCP serverHigh riskNo VPN needed891Repository stars
Official

Local screen and audio recording with natural language search, feeding your activity history to an agent via MCP

MCP serverHigh riskNo VPN needed21.8KRepository stars
Official

A self-hosted control plane for running several agents: task dispatch, run review, spend tracking, connected via MCP, CLI or REST

MCP serverHigh riskNo VPN needed6.3KRepository stars
Official

A local-first workflow engine in a single binary with a built-in MCP server so an agent can inspect and run jobs

MCP serverHigh riskNo VPN needed4.2KRepository stars
Official

Meeting transcription with bots and an MCP server: the agent taps into Google Meet, Teams and Zoom transcripts, self-host optional

MCP serverHigh risk2.8KRepository stars
Official

Vybe's remote MCP server for Solana data: browse the API schema and make live calls to on-chain and market analytics

MCP serverHigh risk1.4KRepository stars
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A local browser automation platform: MCP server, CLI and skills so an agent can drive Chrome, fill forms and pull data from pages

MCP serverHigh riskNo VPN needed1.4KRepository stars
Official

An MCP server and CLI that lets an agent query and provision cloud, SaaS and API resources with plain SQL

MCP serverHigh risk1KRepository stars
Official

A local sandbox for AI agents: they run code and actions in an isolated container exposed over MCP

MCP serverHigh riskNo VPN needed893Repository stars
Official

Resend's official MCP server: send and read email, manage contacts, broadcasts, domains and webhooks from your agent

MCP serverHigh risk575Repository stars
Official

MCP server, agent and skills for end-to-end UI tests where the agent drives the computer through vision on cloud machines

MCP serverHigh risk243Repository stars
Official

Official Render MCP server: services, deploys, logs, metrics and Postgres databases on Render

MCP serverHigh riskNeeds a VPN174Repository stars
Official

Official Auth0 MCP server: tenant applications, Actions, logs and users via the Management API

MCP serverHigh risk122Repository stars
Official

Official Contentful MCP server: entries, content types, assets, locales and AI Actions via the Management API

MCP serverHigh risk61Repository stars
Official

Official remote Raygun MCP server: the agent investigates errors, deployments, performance and user sessions

MCP serverHigh risk22Repository 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.