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lean_ctx/tools/registered/
ctx_provider.rs

1use rmcp::model::Tool;
2use rmcp::ErrorData;
3use serde_json::{json, Map, Value};
4
5use crate::server::tool_trait::{McpTool, ToolContext, ToolOutput};
6use crate::tool_defs::tool_def;
7
8pub struct CtxProviderTool;
9
10impl McpTool for CtxProviderTool {
11    fn name(&self) -> &'static str {
12        "ctx_provider"
13    }
14
15    fn tool_def(&self) -> Tool {
16        tool_def(
17            "ctx_provider",
18            "External context providers (GitHub, GitLab, Jira, Postgres, MCP, custom REST).",
19            json!({
20                "type": "object",
21                "properties": {
22                    "action": {
23                        "type": "string",
24                        "description": "discover|list|status|refresh|configure|query|mcp_resources|gitlab_issues|gitlab_issue|gitlab_mrs|gitlab_pipelines"
25                    },
26                    "provider": {
27                        "type": "string",
28                        "description": "Provider ID (github|gitlab|jira|mcp:<name>). Required for query"
29                    },
30                    "resource": {
31                        "type": "string",
32                        "description": "query: e.g. issues, pull_requests. configure: paths|template|show"
33                    },
34                    "mode": { "type": "string", "description": "query output: compact|chunks" },
35                    "state": { "type": "string", "description": "open|closed|merged|all" },
36                    "labels": { "type": "string", "description": "Comma-separated label filter" },
37                    "iid": { "type": "integer", "description": "Issue/MR IID" },
38                    "status": { "type": "string", "description": "Pipeline status filter" },
39                    "limit": { "type": "integer", "description": "Max results (default 20)" }
40                },
41                "required": ["action"]
42            }),
43        )
44    }
45
46    fn handle(
47        &self,
48        args: &Map<String, Value>,
49        ctx: &ToolContext,
50    ) -> Result<ToolOutput, ErrorData> {
51        let result = crate::tools::ctx_provider::handle(args, ctx);
52        Ok(ToolOutput::simple(result))
53    }
54}