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lean_ctx/tools/registered/
ctx_compress_memory.rs

1use rmcp::ErrorData;
2use rmcp::model::Tool;
3use serde_json::{Map, Value, json};
4
5use crate::server::tool_trait::{McpTool, ToolContext, ToolOutput, require_resolved_path};
6use crate::tool_defs::tool_def;
7
8pub struct CtxCompressMemoryTool;
9
10impl McpTool for CtxCompressMemoryTool {
11    fn name(&self) -> &'static str {
12        "ctx_compress_memory"
13    }
14
15    fn tool_def(&self) -> Tool {
16        tool_def(
17            "ctx_compress_memory",
18            "Compress memory/config file (CLAUDE.md, .cursorrules) preserving code, URLs, and paths. Creates .original.md backup.\n\
19            WORKFLOW: check token overhead with ctx_context, then compress to reduce persistent instruction cost.",
20            json!({
21                "type": "object",
22                "properties": {
23                    "path": { "type": "string", "description": "Path to memory/config file (e.g., CLAUDE.md, .cursorrules). Creates .original.md backup." }
24                },
25                "required": ["path"]
26            }),
27        )
28    }
29
30    fn handle(
31        &self,
32        args: &Map<String, Value>,
33        ctx: &ToolContext,
34    ) -> Result<ToolOutput, ErrorData> {
35        let path = require_resolved_path(ctx, args, "path")?;
36
37        let result = crate::tools::ctx_compress_memory::handle(&path);
38        Ok(ToolOutput::simple(result))
39    }
40}