MCP Servers

Each command installs the server for every project: Claude Code at --scope user, Codex in its global config. OAuth servers sign in on first use - run /mcp in Claude Code; the Codex line already ends with codex mcp login.

Official reference

FilesystemLOCALRead and write files in allowed directories

Claude Codeclaude mcp add --scope user filesystem -- npx -y @modelcontextprotocol/server-filesystem /path/to/allowed/dir

Codexcodex mcp add filesystem -- npx -y @modelcontextprotocol/server-filesystem /path/to/allowed/dir

Replace the path with the directories it may touch.

FetchLOCALFetch web pages as markdown

Claude Codeclaude mcp add --scope user fetch -- uvx mcp-server-fetch

Codexcodex mcp add fetch -- uvx mcp-server-fetch

GitLOCALRead, search and commit in a local repo

Claude Codeclaude mcp add --scope user git -- uvx mcp-server-git --repository /path/to/git/repo

Codexcodex mcp add git -- uvx mcp-server-git --repository /path/to/git/repo

Replace the path with your repository.

MemoryLOCALKnowledge-graph memory across sessions

Claude Codeclaude mcp add --scope user memory -- npx -y @modelcontextprotocol/server-memory

Codexcodex mcp add memory -- npx -y @modelcontextprotocol/server-memory

Sequential ThinkingLOCALStep-by-step reflective reasoning

Claude Codeclaude mcp add --scope user sequential-thinking -- npx -y @modelcontextprotocol/server-sequential-thinking

Codexcodex mcp add sequential-thinking -- npx -y @modelcontextprotocol/server-sequential-thinking

TimeLOCALCurrent time and timezone conversion

Claude Codeclaude mcp add --scope user time -- uvx mcp-server-time

Codexcodex mcp add time -- uvx mcp-server-time

EverythingLOCALReference server for testing MCP clients

Claude Codeclaude mcp add --scope user everything -- npx -y @modelcontextprotocol/server-everything

Codexcodex mcp add everything -- npx -y @modelcontextprotocol/server-everything

Browser

PlaywrightLOCALBrowser automation via accessibility snapshots

Claude Codeclaude mcp add --scope user playwright -- npx @playwright/mcp@latest

Codexcodex mcp add playwright -- npx @playwright/mcp@latest

Chrome DevToolsLOCALDrive and debug a live Chrome

Claude Codeclaude mcp add --scope user chrome-devtools -- npx -y chrome-devtools-mcp@latest

Codexcodex mcp add chrome-devtools -- npx -y chrome-devtools-mcp@latest

Sends usage statistics to Google by default; append --no-usage-statistics to opt out.

Code & docs

GitHubREMOTE · TOKENRepos, issues, pull requests, Actions

Claude Code

claude mcp add --scope user --transport http github https://api.githubcopilot.com/mcp/ --header "Authorization: Bearer $GITHUB_PAT"

Codexcodex mcp add github --url https://api.githubcopilot.com/mcp/ --bearer-token-env-var GITHUB_PAT

Export a GitHub personal access token as GITHUB_PAT first.

Context7REMOTEUp-to-date library docs

Claude Codeclaude mcp add --scope user --transport http context7 https://mcp.context7.com/mcp

Codexcodex mcp add context7 --url https://mcp.context7.com/mcp

SerenaLOCALSymbol-level code navigation and edits via LSP

Claude Codeclaude mcp add --scope user serena -- serena start-mcp-server --context claude-code --project-from-cwd

Codexcodex mcp add serena -- serena start-mcp-server --context codex --project-from-cwd

Install the CLI first: uv tool install -p 3.13 serena-agent

Cloudflare DocsREMOTESearch Cloudflare developer docs

Claude Codeclaude mcp add --scope user --transport http cloudflare-docs https://docs.mcp.cloudflare.com/mcp

Codexcodex mcp add cloudflare-docs --url https://docs.mcp.cloudflare.com/mcp

Microsoft LearnREMOTESearch Microsoft and Azure docs

Claude Codeclaude mcp add --scope user --transport http microsoft-learn https://learn.microsoft.com/api/mcp

Codexcodex mcp add microsoft-learn --url https://learn.microsoft.com/api/mcp

AWS DocumentationLOCALSearch and read AWS documentation

Claude Codeclaude mcp add --scope user aws-docs -- uvx awslabs.aws-documentation-mcp-server@latest

Codexcodex mcp add aws-docs -- uvx awslabs.aws-documentation-mcp-server@latest

HeadroomLOCALCompress tool output to save context

Claude Codeclaude mcp add --scope user headroom -- headroom mcp serve

Codexcodex mcp add headroom -- headroom mcp serve

Install the CLI first: pip install "headroom-ai[mcp]"

Cloud & ops

Cloudflare BindingsREMOTE · OAUTHWorkers, KV, R2, D1

Claude Codeclaude mcp add --scope user --transport http cloudflare-bindings https://bindings.mcp.cloudflare.com/mcp

Codexcodex mcp add cloudflare-bindings --url https://bindings.mcp.cloudflare.com/mcp && codex mcp login cloudflare-bindings

VercelREMOTE · OAUTHProjects, deployments, logs

Claude Codeclaude mcp add --scope user --transport http vercel https://mcp.vercel.com

Codexcodex mcp add vercel --url https://mcp.vercel.com && codex mcp login vercel

Vercel only accepts clients on its approved list - check the docs before relying on Codex.

SupabaseREMOTE · OAUTHPostgres, auth, storage, edge functions

Claude Codeclaude mcp add --scope user --transport http supabase https://mcp.supabase.com/mcp

Codexcodex mcp add supabase --url https://mcp.supabase.com/mcp && codex mcp login supabase

NeonREMOTE · OAUTHServerless Postgres projects and branches

Claude Codeclaude mcp add --scope user --transport http neon https://mcp.neon.tech/mcp

Codexcodex mcp add neon --url https://mcp.neon.tech/mcp && codex mcp login neon

SentryREMOTE · OAUTHError and issue triage

Claude Codeclaude mcp add --scope user --transport http sentry https://mcp.sentry.dev/mcp

Codexcodex mcp add sentry --url https://mcp.sentry.dev/mcp && codex mcp login sentry

GrafanaLOCALDashboards, Prometheus, Loki queries

Claude Code

claude mcp add --scope user grafana -e GRAFANA_URL=https://your-instance.grafana.net -e GRAFANA_SERVICE_ACCOUNT_TOKEN=your-token -- uvx mcp-grafana

Codex

codex mcp add grafana --env GRAFANA_URL=https://your-instance.grafana.net --env GRAFANA_SERVICE_ACCOUNT_TOKEN=your-token -- uvx mcp-grafana

Needs Grafana 9.0 or newer.

Work apps

NotionREMOTE · OAUTHSearch and edit pages and databases

Claude Codeclaude mcp add --scope user --transport http notion https://mcp.notion.com/mcp

Codexcodex mcp add notion --url https://mcp.notion.com/mcp && codex mcp login notion

LinearREMOTE · OAUTHIssues, projects, comments

Claude Codeclaude mcp add --scope user --transport http linear https://mcp.linear.app/mcp

Codexcodex mcp add linear --url https://mcp.linear.app/mcp && codex mcp login linear

AtlassianREMOTE · OAUTHJira and Confluence

Claude Codeclaude mcp add --scope user --transport http atlassian https://mcp.atlassian.com/v2/mcp

Codexcodex mcp add atlassian --url https://mcp.atlassian.com/v2/mcp && codex mcp login atlassian

Needs an Atlassian Cloud site.

FigmaREMOTE · OAUTHDesign context for code generation

Claude Codeclaude mcp add --scope user --transport http figma https://mcp.figma.com/mcp

Codexcodex mcp add figma --url https://mcp.figma.com/mcp && codex mcp login figma

Search & web

Brave SearchLOCALWeb, news, image and video search

Claude Codeclaude mcp add --scope user brave-search -e BRAVE_API_KEY=your-key -- npx -y @brave/brave-search-mcp-server

Codexcodex mcp add brave-search --env BRAVE_API_KEY=your-key -- npx -y @brave/brave-search-mcp-server

ExaREMOTENeural web search and crawling

Claude Codeclaude mcp add --scope user --transport http exa https://mcp.exa.ai/mcp

Codexcodex mcp add exa --url https://mcp.exa.ai/mcp

FirecrawlREMOTEScrape, crawl and search the web

Claude Codeclaude mcp add --scope user --transport http firecrawl https://mcp.firecrawl.dev/v2/mcp

Codexcodex mcp add firecrawl --url https://mcp.firecrawl.dev/v2/mcp

TavilyREMOTE · OAUTHSearch, extract, map and crawl

Claude Codeclaude mcp add --scope user --transport http tavily https://mcp.tavily.com/mcp/

Codexcodex mcp add tavily --url https://mcp.tavily.com/mcp/ && codex mcp login tavily

Hugging FaceREMOTEModels, datasets, Spaces, papers

Claude Codeclaude mcp add --scope user --transport http hugging-face https://huggingface.co/mcp

Codexcodex mcp add hugging-face --url https://huggingface.co/mcp

Payments & trading

StripeREMOTE · OAUTHPayments and billing API

Claude Codeclaude mcp add --scope user --transport http stripe https://mcp.stripe.com

Codexcodex mcp add stripe --url https://mcp.stripe.com && codex mcp login stripe

AlpacaLOCALStocks, options and crypto trading

Claude Codeclaude mcp add --scope user alpaca -e ALPACA_API_KEY=your-key -e ALPACA_SECRET_KEY=your-secret -- uvx alpaca-mcp-server

Codexcodex mcp add alpaca --env ALPACA_API_KEY=your-key --env ALPACA_SECRET_KEY=your-secret -- uvx alpaca-mcp-server

Paper trading by default; ALPACA_PAPER_TRADE=False places real orders.