How the Furl context-compression plugin works in Claude Code and Codex — the furl_compress / furl_retrieve / furl_stats / furl_purge / furl_search / furl_list MCP tools, the <<ccr:HASH>> retrieval flow, and Claude Code's optional automatic hooks. Use when the user asks what Furl is doing, how to com
How the Furl context-compression plugin works in Claude Code and Codex — the furl_compress / furl_retrieve / furl_stats / furl_purge / furl_search / furl_list MCP tools, the <<ccr:HASH>> retrieval flow, and Claude Code's optional automatic hooks. Use when the user asks what Furl is doing, how to compress or retrieve content, why Claude Code output looks compressed, or how to tune or disable Furl.