lean_ctx/tools/registered/
ctx_multi_repo.rs1use rmcp::ErrorData;
2use rmcp::model::Tool;
3use serde_json::{Map, Value, json};
4
5use crate::server::tool_trait::{
6 McpTool, ToolContext, ToolOutput, get_str, get_str_array, get_usize,
7};
8use crate::tool_defs::tool_def;
9
10pub struct CtxMultiRepoTool;
11
12impl McpTool for CtxMultiRepoTool {
13 fn name(&self) -> &'static str {
14 "ctx_multi_repo"
15 }
16
17 fn tool_def(&self) -> Tool {
18 tool_def(
19 "ctx_multi_repo",
20 "Multi-repository — add, remove, search project directories.\n\
21 WORKFLOW: list_roots → add_root/remove_root → search.\n\
22 ANTI-PATTERN: not for single-repo projects — use ctx_search.\n\
23 Actions: add_root|remove_root|list_roots|search|status|save_config.\n\
24 Cross-repo search uses RRF to merge results.",
25 json!({
26 "type": "object",
27 "properties": {
28 "action": {
29 "type": "string",
30 "enum": ["add_root", "remove_root", "list_roots", "search", "status", "save_config"],
31 "description": "add_root|remove_root|list_roots|search|status|save_config"
32 },
33 "path": {
34 "type": "string",
35 "description": "Repo path"
36 },
37 "alias": {
38 "type": "string",
39 "description": "Short alias (auto-derived if omitted)"
40 },
41 "query": {
42 "type": "string",
43 "description": "Search query (for search action)"
44 },
45 "roots": {
46 "type": "array",
47 "items": { "type": "string" },
48 "description": "Filter to specific repos by alias/path"
49 },
50 "max_results": {
51 "type": "integer",
52 "description": "Max results"
53 }
54 },
55 "required": ["action"]
56 }),
57 )
58 }
59
60 fn handle(
61 &self,
62 args: &Map<String, Value>,
63 _ctx: &ToolContext,
64 ) -> Result<ToolOutput, ErrorData> {
65 let action = get_str(args, "action")
66 .ok_or_else(|| ErrorData::invalid_params("action is required", None))?;
67
68 let path = get_str(args, "path");
69 let alias = get_str(args, "alias");
70 let query = get_str(args, "query");
71 let roots_filter = get_str_array(args, "roots");
72 let max_results = get_usize(args, "max_results").unwrap_or(20).min(1000);
73
74 let (result, original_tokens) = crate::tools::ctx_multi_repo::handle(
75 &action,
76 path.as_deref(),
77 alias.as_deref(),
78 query.as_deref(),
79 roots_filter.as_deref(),
80 max_results,
81 );
82
83 if result.starts_with("ERROR:") {
84 return Err(ErrorData::invalid_params(result, None));
85 }
86
87 let sent = crate::core::tokens::count_tokens(&result);
88 let saved = original_tokens.saturating_sub(sent);
89
90 Ok(ToolOutput {
91 text: result,
92 original_tokens,
93 saved_tokens: saved,
94 mode: Some("multi_repo".to_string()),
95 path,
96 changed: action == "add_root" || action == "remove_root",
97 shell_outcome: None,
98 })
99 }
100}