lean_ctx/tools/registered/
ctx_overview.rs

1use rmcp::model::Tool;
2use rmcp::ErrorData;
3use serde_json::{json, Map, Value};
4
5use crate::server::tool_trait::{get_str, McpTool, ToolContext, ToolOutput};
6use crate::tool_defs::tool_def;
7
8pub struct CtxOverviewTool;
9
10impl McpTool for CtxOverviewTool {
11    fn name(&self) -> &'static str {
12        "ctx_overview"
13    }
14
15    fn tool_def(&self) -> Tool {
16        tool_def(
17            "ctx_overview",
18            "Task-relevant project map — use at session start.",
19            json!({
20                "type": "object",
21                "properties": {
22                    "task": {
23                        "type": "string",
24                        "description": "Task description for relevance scoring"
25                    },
26                    "path": {
27                        "type": "string",
28                        "description": "Project root directory (default: .)"
29                    }
30                }
31            }),
32        )
33    }
34
35    fn handle(
36        &self,
37        args: &Map<String, Value>,
38        ctx: &ToolContext,
39    ) -> Result<ToolOutput, ErrorData> {
40        let task = get_str(args, "task");
41
42        let resolved_path = if get_str(args, "path").is_some() {
43            ctx.resolved_path("path").map(String::from)
44        } else if let Some(ref session) = ctx.session {
45            let guard = tokio::task::block_in_place(|| session.blocking_read());
46            guard.project_root.clone()
47        } else {
48            None
49        };
50
51        let cache = ctx.cache.as_ref().unwrap();
52        let guard = tokio::task::block_in_place(|| cache.blocking_read());
53        let result = crate::tools::ctx_overview::handle(
54            &guard,
55            task.as_deref(),
56            resolved_path.as_deref(),
57            ctx.crp_mode,
58        );
59
60        Ok(ToolOutput {
61            text: result,
62            original_tokens: 0,
63            saved_tokens: 0,
64            mode: Some("overview".to_string()),
65            path: None,
66            changed: false,
67        })
68    }
69}
lean_ctx/tools/registered/ctx_overview.rs

lean_ctx/tools/registered/
ctx_overview.rs
