cal2prompt MCP Server

@shuntaka9576

代码仓库

基本信息

分类

生产力

许可证

MIT

传输方式

stdio

作者

shuntaka9576

关于 cal2prompt MCP Server

✨ Fetches your schedule (Google Calendar) and outputs it as a single LLM prompt, with an optional MCP server mode.

cal2prompt MCP Server 配置

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该服务器的 README 中没有可解析的 MCP 配置块，请前往代码仓库查看安装说明。

代码仓库

cal2prompt MCP Server 工具

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工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is cal2prompt?

cal2prompt is a command-line tool that fetches your schedule (e.g., from Google Calendar) and converts it into a custom prompt or text snippet via a Jinja2 template engine. It can output directly to stdout, or run as an experimental MCP (Model Context Protocol) server.

How to use cal2prompt?

Install via brew install shuntaka9576/tap/cal2prompt or build from source with Cargo. Set up a Google OAuth2 client, create Lua configuration files (~/.config/cal2prompt/config.lua and secrets.lua), then run cal2prompt with date‑range flags (e.g., --today, --this-week) or use the mcp subcommand to launch the experimental MCP server.

Key features of cal2prompt

Google Calendar integration via Calendar API v3
Custom LLM prompt generation with a Jinja2 template engine
High‑speed processing built with the Rust ecosystem
Experimental MCP (Model Context Protocol) server mode

Use cases of cal2prompt

Generate a daily or weekly schedule summary as a prompt for an AI assistant
Feed live calendar events into an LLM via the MCP server (e.g., Claude Desktop)
Produce custom‑formatted text snippets for time‑blocking or status reports
Combine multiple Google Calendars into a single chronological overview

常见问题

How does authentication work?

cal2prompt uses Google OAuth2. You must create your own Google project and OAuth client; the generated token is stored in `~/.local/share/cal2prompt/oauth`. The first run automatically starts the authentication flow.

What configuration format does cal2prompt use?

Configuration is written in Lua using two files: `secrets.lua` for sensitive data (client ID, client secret, calendar IDs) and `config.lua` for the main setup (time zone, template, etc.).

How can I use cal2prompt as an MCP server with Claude Desktop?

Add a `mcpServers` entry in `claude_desktop_config.json` specifying the full path to the `cal2prompt` binary and the `mcp` argument, plus the `HOME` environment variable.

Are there any known limitations?

The MCP mode is experimental and may change without notice. You must supply your own Google Calendar API token; the project owner cannot provide a pre‑approved client due to security and approval constraints.

Where are OAuth tokens stored?

Tokens are stored in the file defined by the `settings.oauthFilePath` configuration option, defaulting to `~/.local/share/cal2prompt/oauth`.

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