lean_ctx/tools/registered/
ctx_call.rs

1use rmcp::ErrorData;
2use rmcp::model::Tool;
3use serde_json::{Map, Value, json};
4
5use crate::server::tool_trait::{McpTool, ToolContext, ToolOutput, get_str};
6use crate::tool_defs::tool_def;
7
8pub struct CtxCallTool;
9
10impl McpTool for CtxCallTool {
11    fn name(&self) -> &'static str {
12        "ctx_call"
13    }
14
15    fn tool_def(&self) -> Tool {
16        tool_def(
17            "ctx_call",
18            "Invoke any non-core lean-ctx tool by name — for tools not exposed as standalone MCP tools.\n\
19            Categories: arch, debug, memory, batch, agent, util. Find exact names with\n\
20            ctx_discover_tools (query=keyword; empty query lists all). Cannot invoke itself.",
21            json!({
22                "type": "object",
23                "properties": {
24                    "name": { "type": "string", "description": "Tool name" },
25                    "arguments": { "type": "object",                         "description": "Tool arguments" }
26                },
27                "required": ["name"]
28            }),
29        )
30    }
31
32    fn handle(
33        &self,
34        args: &Map<String, Value>,
35        _ctx: &ToolContext,
36    ) -> Result<ToolOutput, ErrorData> {
37        let name = get_str(args, "name")
38            .ok_or_else(|| ErrorData::invalid_params("'name' is required", None))?;
39
40        if name == "ctx_call" {
41            return Err(ErrorData::invalid_params(
42                "ctx_call cannot invoke itself",
43                None,
44            ));
45        }
46
47        Err(ErrorData::internal_error(
48            format!(
49                "ctx_call dispatch for '{name}' must be handled by the async dispatch layer. \
50                 If you see this error, the tool was routed to the sync handler by mistake."
51            ),
52            None,
53        ))
54    }
55}
lean_ctx/tools/registered/ctx_call.rs

lean_ctx/tools/registered/
ctx_call.rs
