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lean_ctx/tools/registered/
ctx_analyze.rs

1use rmcp::model::Tool;
2use rmcp::ErrorData;
3use serde_json::{json, Map, Value};
4
5use crate::server::tool_trait::{McpTool, ToolContext, ToolOutput};
6use crate::tool_defs::tool_def;
7
8pub struct CtxAnalyzeTool;
9
10impl McpTool for CtxAnalyzeTool {
11    fn name(&self) -> &'static str {
12        "ctx_analyze"
13    }
14
15    fn tool_def(&self) -> Tool {
16        tool_def(
17            "ctx_analyze",
18            "Entropy analysis — recommends optimal compression mode for a file.",
19            json!({
20                "type": "object",
21                "properties": {
22                    "path": { "type": "string" }
23                },
24                "required": ["path"]
25            }),
26        )
27    }
28
29    fn handle(
30        &self,
31        _args: &Map<String, Value>,
32        ctx: &ToolContext,
33    ) -> Result<ToolOutput, ErrorData> {
34        let path = ctx
35            .resolved_path("path")
36            .ok_or_else(|| ErrorData::invalid_params("path is required", None))?
37            .to_string();
38
39        let result = crate::tools::ctx_analyze::handle(&path, crate::tools::CrpMode::effective());
40
41        Ok(ToolOutput {
42            text: result,
43            original_tokens: 0,
44            saved_tokens: 0,
45            mode: None,
46            path: Some(path),
47        })
48    }
49}