Sun Mcp

What is Sun MCP?

Sun MCP is an MCP server for Agent session summarization. It automatically summarizes current sessions in Claude Desktop and saves them as structured .mdc files when you input the -sun command.

How to use Sun MCP?

Install via npx -y sun-mcp@latest, add it to your Claude Desktop MCP configuration, then restart Claude Desktop. In a chat, type -sun to generate a Chinese summary, or -sun en to generate an English summary.

Key features of Sun MCP

• One‑click command -sun triggers session summarization
• Multilingual support: Chinese (default) and English
• Smart summarization extracts core insights and key points
• Auto‑saves files to .sun folder as datetime_functionality.mdc
• Tracks task completion status (completed/partial/failed/ongoing)
• Structured output includes core essence, key points, outcomes, and next steps

Use cases of Sun MCP

• Prevent precision loss when sessions grow too large
• Preserve session essence and outcomes to avoid context loss
• Quickly review past sessions using saved history
• Eliminate manual organization with automatic summarization and saving

FAQ from Sun MCP

What command do I use to summarize?

Type -sun in Claude Desktop for a Chinese summary, or -sun en for an English summary. You can also append extra context (e.g., -sun We discussed API development).

Where are summary files saved?

Summary files are automatically saved to the .sun folder in your project root, with filenames like 20241208_143022_MCP_Server_Development.mdc.

What format do the summary files use?

Each .mdc file contains structured markdown with sections for session overview, core essence, key points, outcomes, and next steps.

Does Sun MCP track task completion?

Yes, it automatically determines whether a session is completed, partially completed, failed, or ongoing.

Does Sun MCP support other languages besides Chinese?

It supports English by appending en to the command (-sun en). The default language is Chinese.