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nofx/mcp
shinchan-zhai 16ebe0a64c feat(mcp): add context length guard to prevent oversized requests
* feat: add X-Client-ID header for claw402 monitoring

* feat(mcp): add context length guard to prevent oversized requests

- Add MaxContext field to Config (default 0 = no limit)
- Add WithMaxContext() option for setting model context limits
- Add context_guard.go: token estimation + message truncation
- Integrate guard into both BuildMCPRequestBody and BuildRequestBodyFromRequest
- Support both map[string]string and map[string]any message formats
- Truncates oldest non-system messages when estimated tokens exceed limit
- Always preserves system messages and keeps at least 1 non-system message
- Logs warning when truncation occurs for debugging

Usage: mcp.NewDeepSeekClient(mcp.WithMaxContext(131072))
2026-03-18 11:10:22 +08:00
..
2025-11-15 23:04:53 -05:00
2025-12-08 01:43:22 +08:00