Agents get your data, not the keys

21st.dev Magic (local)

21st.dev's Magic server generates UI components from a prompt. It sends the prompt and the surrounding component code to 21st.dev's API and writes the result into the project.

Atlassian (local)

A community-maintained Jira and Confluence server that reads and writes issues, pages and comments with a user's API token. It is not published by Atlassian.

AWS API (local)

AWS Labs' server runs AWS CLI commands for the agent with the AWS profile on the developer's Mac. Unless it runs in read-only mode, it can change anything that profile can.

AWS Documentation (local)

AWS Labs' server for searching the public AWS documentation. It needs no AWS credentials.

Azure (local)

Microsoft's Azure MCP server queries and operates Azure resources with the identity the developer's Azure CLI session already holds.

Azure DevOps (local)

Microsoft's Azure DevOps server works with work items, repositories, pull requests, pipelines, wikis and test plans using the developer's own sign-in.

Brave Search (local)

Searches the web, images, news and video through the Brave Search API. Every query goes to Brave.

Chrome DevTools (local)

Google's Chrome DevTools server attaches to a local Chrome for performance traces, network inspection and DOM queries.

Context7 (local)

Upstash's Context7 brings version-accurate library documentation into the agent's context from Upstash's API.

Desktop Commander (local)

A community server that runs shell commands and edits files anywhere on the developer's Mac. Few local servers reach further.

DuckDuckGo Search (local)

A community-maintained web search server. It is not published by or affiliated with DuckDuckGo.

Elasticsearch (local)

Queries Elasticsearch indices in natural language, so whatever the indices hold becomes readable by the agent.

Fetch (local)

The reference MCP server for fetching a web page and converting it to Markdown. It can reach any address the Mac can, including internal hosts.

Figma (local)

A community-maintained server that pulls Figma design files and layout data into the agent with a personal access token. It is not published by Figma.

Filesystem (local)

The reference MCP server for reading, writing, moving and searching files in the directories named on its command line.

Firecrawl (local)

Firecrawl's web scraping and crawling server. The pages it reads pass through Firecrawl's API.

Git (local)

The reference MCP server for Git. It reads history and diffs and can stage and commit in a local repository.

GitHub (local)

A GitHub server for repositories, issues and pull requests, run with a personal access token. GitHub publishes its own as a container image. The older npm package from the MCP project is archived but still widely run.

GitLab (local)

A community-maintained GitLab server for projects, merge requests, issues, pipelines, wikis and releases. It is not published by GitLab.

Grafana (local)

Grafana Labs' server searches dashboards and queries Prometheus, Loki and the other datasources Grafana connects to. It also works with incidents and alerting.

MarkItDown (local)

Microsoft's MarkItDown converts local files such as PDFs, Office documents and images to Markdown for the agent.

mcp-proxy (local)

A transport bridge rather than a server. It presents a remote MCP server to a local client over stdio, or exposes a local server over HTTP.

mcp-remote (local)

A bridge that fronts a remote MCP server for clients that only speak stdio. The address on its command line decides what it reaches.

Memory (local)

The reference knowledge-graph memory server. It saves what the agent chooses to remember to a local file.

MongoDB (local)

MongoDB's official server reads and modifies collection data through a connection string.

n8n (local)

A community-maintained n8n server. It answers questions about n8n's nodes and, given an instance URL and API key, creates, updates and runs workflows. It is not published by n8n.

Next.js DevTools (local)

Vercel's Next.js DevTools server relays live runtime errors, routes and logs from Next.js development servers to the agent.

Notion (local)

Notion's own MCP server reads and writes pages and databases with an integration token.

Nx (local)

Nx's monorepo server gives the agent the workspace's project graph, file ownership, tasks, code generators and Nx documentation.

Playwright (local)

Microsoft's browser automation server drives a real browser for the agent. It navigates, fills forms, clicks and reads pages.

PostgreSQL (local)

The reference PostgreSQL server runs read queries against the database named on its command line. The package is archived but still widely run.

Puppeteer (local)

Browser automation and scraping with Puppeteer, run as a container.

Redis (local)

Read and write access to a Redis database, run as a container.

Safari (local)

Apple's Safari MCP server, built into Safari 27. It lets an agent drive Safari: open tabs, navigate, read pages, run JavaScript, click and type, take screenshots and read console logs and network requests.

SAP UI5 (local)

SAP's UI5 server scaffolds UI5 applications and looks up UI5 documentation and guidelines. It also runs the UI5 linter against the project.

Sentry (local)

Sentry's MCP server reads issues, events and stack traces from Sentry.

Sequential Thinking (local)

The reference structured-reasoning server. It is pure computation, with no network, credentials or file access.

Slack (local)

A Slack server that reads channels and messages and posts for the developer with a bot token. The MCP project's package is archived but still widely run.

Stripe (local)

Works with Stripe through the Stripe API. With a live-mode key it acts on real customers, charges and refunds.

Supabase (local)

Supabase's MCP server manages projects and queries databases with a personal access token.

Time (local)

The reference time and timezone server, with no network, credentials or file access.

Xcode (local)

Apple's Xcode MCP server lets an agent modify the project open in Xcode and act in Xcode for the developer, such as building the app.

XcodeBuildMCP (local)

Sentry's XcodeBuildMCP builds, runs and tests iOS and macOS projects and manages simulators and devices through the developer's Xcode toolchain.