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lean_ctx/tools/registered/
ctx_response.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 CtxResponseTool;
9
10impl McpTool for CtxResponseTool {
11    fn name(&self) -> &'static str {
12        "ctx_response"
13    }
14
15    fn tool_def(&self) -> Tool {
16        tool_def(
17            "ctx_response",
18            "Compress LLM response text (structural de-duplication).",
19            json!({
20                "type": "object",
21                "properties": {
22                    "text": { "type": "string" }
23                },
24                "required": ["text"]
25            }),
26        )
27    }
28
29    fn handle(
30        &self,
31        args: &Map<String, Value>,
32        _ctx: &ToolContext,
33    ) -> Result<ToolOutput, ErrorData> {
34        let text = get_str(args, "text")
35            .ok_or_else(|| ErrorData::invalid_params("text is required", None))?;
36        let output = crate::tools::ctx_response::handle(&text, crate::tools::CrpMode::effective());
37        Ok(ToolOutput::simple(output))
38    }
39}