MCP server

Cachet

io.github.taraxe/cachet

Checked 25 Oct 2026, 20:29 UTC · It answered and asked for a sign-in

Send real paper mail in France from your agent: letters, tracked and registered letters with AR.

Needs a sign-in or keyOfficial: taraxe.com's GitHub account (taraxe)

https://www.taraxe.com/cachet/mcp

At a glance

Type: MCP server
Publisher: taraxe.com (verified by the MCP Registry)
Status: Needs a sign-in or key
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 25 Oct 2026, 20:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http cachet https://www.taraxe.com/cachet/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.cachet]
url = "https://www.taraxe.com/cachet/mcp"

Gemini CLI

{"mcpServers":{"cachet":{"httpUrl":"https://www.taraxe.com/cachet/mcp"}}}

Cursor

{"mcpServers":{"cachet":{"url":"https://www.taraxe.com/cachet/mcp"}}}

VS Code

{"servers":{"cachet":{"type":"http","url":"https://www.taraxe.com/cachet/mcp"}}}

Antigravity

agy mcp add cachet https://www.taraxe.com/cachet/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"cachet","server_url":"https://www.taraxe.com/cachet/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"cachet","server_url":"https://www.taraxe.com/cachet/mcp"}

Needs a sign-in or an API key from its maker.

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