lean_ctx/tools/registered/
ctx_verify.rs1use 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 CtxVerifyTool;
9
10impl McpTool for CtxVerifyTool {
11 fn name(&self) -> &'static str {
12 "ctx_verify"
13 }
14
15 fn tool_def(&self) -> Tool {
16 tool_def(
17 "ctx_verify",
18 "Verification observability — tool call statistics.",
19 json!({
20 "type": "object",
21 "properties": {
22 "action": { "type": "string", "description": "stats" },
23 "format": { "type": "string" }
24 }
25 }),
26 )
27 }
28
29 fn handle(
30 &self,
31 args: &Map<String, Value>,
32 _ctx: &ToolContext,
33 ) -> Result<ToolOutput, ErrorData> {
34 let action = get_str(args, "action").unwrap_or_else(|| "stats".to_string());
35 if action != "stats" {
36 return Err(ErrorData::invalid_params(
37 "unsupported action (expected: stats)",
38 None,
39 ));
40 }
41 let format = get_str(args, "format");
42 let out = crate::tools::ctx_verify::handle_stats(format.as_deref())
43 .map_err(|e| ErrorData::invalid_params(e, None))?;
44 Ok(ToolOutput {
45 text: out,
46 original_tokens: 0,
47 saved_tokens: 0,
48 mode: Some(action),
49 path: None,
50 })
51 }
52}