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. Actions: stats (tool call statistics), proof|v2 (ContextProofV2 claim-based verification with Lean4 proofs).",
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 let format = get_str(args, "format");
36 match action.as_str() {
37 "stats" => {
38 let out = crate::tools::ctx_verify::handle_stats(format.as_deref())
39 .map_err(|e| ErrorData::invalid_params(e, None))?;
40 Ok(ToolOutput {
41 text: out,
42 original_tokens: 0,
43 saved_tokens: 0,
44 mode: Some(action),
45 path: None,
46 changed: false,
47 shell_outcome: None,
48 })
49 }
50 "proof" | "v2" => {
51 let out = crate::tools::ctx_verify::handle_proof(format.as_deref())
52 .map_err(|e| ErrorData::invalid_params(e, None))?;
53 Ok(ToolOutput {
54 text: out,
55 original_tokens: 0,
56 saved_tokens: 0,
57 mode: Some(action),
58 path: None,
59 changed: false,
60 shell_outcome: None,
61 })
62 }
63 _ => Err(ErrorData::invalid_params(
64 "unsupported action (expected: stats, proof, v2)",
65 None,
66 )),
67 }
68 }
69}