com.mailsuite/mcp

Mailsuite

Is the Mailsuite MCP server down? No. It is up and needs auth (HTTP 401), probed 2026-11-10.

Email tracking for AI assistants: see who opened your emails and send tracked emails and follow-ups.

needs auth probed 2026-11-14 · unchanged since 2026-11-10 · HTTP 401 · Bearer

Streamable HTTP error: Error POSTing to endpoint: {"jsonrpc":"2.0","error":{"code":-32001,"message":"Unauthorized: missing or invalid Bearer token."},"id":null}

Endpoint: https://mcp.mailsuite.com (streamable-http)
Host: mcp.mailsuite.com
Getting access: OAuth with dynamic client registration. A client such as Claude Code, Cursor or npx mcpcost auth https://mcp.mailsuite.com registers itself and opens the consent page; the publisher has nothing to set up for you.
Authorization server mailsuite.com, PKCE S256, grants authorization_code, refresh_token.
Scopes tracking:read feed:read tracking:write email:read email:send contacts:read inbox:read.
Read from the server's public OAuth metadata, without a token. Method.
Website: https://mailsuite.com
Registry: active, updated 2026-11-09 · registry entry

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Badge for the README

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

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A mail when this server changes

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

For the publisher

The server answers HTTP 401 to an unauthenticated initialize, so the probe cannot list its tools. That is correct for a private server. Some public servers answer initialize and tools/list without credentials and ask for auth on tool calls only; those get a token count here.

Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.