preview_letter — Premier Letters MCP Tool
preview_letter
(preview letter) is one of 8 tools on the
Premier Letters
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call preview_letter from your client
- Claude Code Premier Letters preview_letter run in your project directory
- Claude Desktop Premier Letters preview_letter ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Premier Letters preview_letter ~/.cursor/mcp.json
- VS Code Premier Letters preview_letter .vscode/mcp.json
- Zed Premier Letters preview_letter ~/.config/zed/settings.json
- Windsurf Premier Letters preview_letter ~/.codeium/windsurf/mcp_config.json
- Cline Premier Letters preview_letter ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Premier Letters preview_letter ~/.gemini/settings.json
- Grok Premier Letters preview_letter .mcp.json (in your project root)
- ChatGPT Premier Letters preview_letter Settings → Connectors → Advanced → Developer mode
- Claude.ai Premier Letters preview_letter Settings → Connectors → Add custom connector
- LangChain Premier Letters preview_letter pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http mcp https://www.premierletters.com/api/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.