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Remote MCP servers

Known publicly hosted MCP endpoints and how to configure them as mcpproxy backends, grouped by outbound auth mode. Ready-to-run configs sit next to this file.

Before you pick one:

  • Both remote transports work: streamable-HTTP (transport: streamable-http) and the legacy HTTP+SSE protocol (transport: sse). Entries marked ⚠ below need transport: sse.
  • All of these ship in the built-in catalog (catalog/catalog.yaml): import-catalog -list shows them, import-catalog linear stripe … emits ready-made backend stanzas. -catalog <file> loads a custom YAML catalog with the same schema; -dir <dir> imports from a tree of MCP-registry server.json files.
  • auth: oauth endpoints run discovery + dynamic client registration + PKCE; the daemon prints the authorize URL on first use. Many of these providers also issue static tokens (PATs) usable with auth: static.
  • URLs change. Check the provider's docs if a probe returns 404.

No auth required

Provider URL Notes
DeepWiki https://mcp.deepwiki.com/mcp GitHub repo Q&A
Cloudflare Docs https://docs.mcp.cloudflare.com/sse ⚠ transport: sse
Hugging Face https://huggingface.co/mcp anonymous works; HF token adds private access

Config: no-auth.yaml

Static token / API key (auth: static)

Provider URL Credential
Stripe https://mcp.stripe.com Authorization: Bearer sk_… (restricted API key)
Context7 https://mcp.context7.com/mcp CONTEXT7_API_KEY header per their docs
GitHub https://api.githubcopilot.com/mcp/ Authorization: Bearer <PAT> (also supports OAuth)
Zapier https://mcp.zapier.com/api/mcp/mcp per-user endpoint token from Zapier dashboard
Hugging Face https://huggingface.co/mcp Authorization: Bearer hf_…

Config: static-token.yaml

OAuth (auth: oauth, discovery + DCR + PKCE)

Provider URL Notes
Linear https://mcp.linear.app/mcp issues PATs too (static works)
Notion https://mcp.notion.com/mcp
Sentry https://mcp.sentry.dev/mcp
GitHub https://api.githubcopilot.com/mcp/ OAuth or PAT
Neon https://mcp.neon.tech/sse ⚠ transport: sse
Atlassian (Jira/Confluence) https://mcp.atlassian.com/v1/sse ⚠ transport: sse
Asana https://mcp.asana.com/sse ⚠ transport: sse
Intercom https://mcp.intercom.com/sse ⚠ transport: sse
PayPal https://mcp.paypal.com/mcp
Square https://mcp.squareup.com/sse ⚠ transport: sse
Webflow https://mcp.webflow.com/sse ⚠ transport: sse
Cloudflare (bindings) https://bindings.mcp.cloudflare.com/sse ⚠ transport: sse

Config: oauth.yaml

Everything at once

aggregated.yaml fronts several remotes behind one endpoint with per-backend policy, giving your team one URL for everything.

Local-only impostors

Marketing calls some well-known projects "MCP servers" when they expose no remote endpoint. Figma's Dev Mode MCP runs locally inside the desktop app, so configure http://127.0.0.1:3845/mcp as a streamable-http backend. Most community servers (filesystem, git, fetch…) ship as stdio packages; see the top-level examples for those.