Dune Analytics MCP Server

# Tasks: Add Query Execution Tools ## 1. Blocking Execution - [x] 1.1 Implement run_query tool with @mcp.tool decorator - [x] 1.2 Add query_id, params, performance, limit parameters - [x] 1.3 Implement parameter conversion to QueryParameter objects - [x] 1.4 Add asyncio.to_thread wrapper for sync SDK call - [x] 1.5 Add Context logging for progress feedback ## 2. Non-Blocking Execution - [x] 2.1 Implement submit_query tool - [x] 2.2 Return execution_id with guidance message - [x] 2.3 Implement get_execution_status tool - [x] 2.4 Implement get_execution_results tool with limit/offset ## 3. Error Handling - [x] 3.1 Add DuneError exception handling - [x] 3.2 Map HTTP status codes to semantic messages - [x] 3.3 Handle timeout scenarios with guidance ## 4. Validation - [x] 4.1 Test run_query with valid query_id - [x] 4.2 Test run_query with invalid query_id (404) - [x] 4.3 Test non-blocking flow (submit -> status -> results) - [x] 4.4 Verify default limit of 50 rows