JetBrains TeamCity 2026.1 Ships Built-In MCP Endpoint and CLI: AI Agents Can Now Retrieve Build Logs, Trigger Personal Runs, and Debug Failures

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TeamCity 2026.1 introduces a built-in MCP endpoint at <server-url>/app/mcp exposing three tools: build log retrieval, generic REST GET, and build trigger (forced to personal=true). The new open-source TeamCity CLI lets developers and AI agents investigate failed builds, apply fixes, configure pipelines, and retrigger builds from the terminal. MCP integration works with JetBrains IDEs and Cursor, designed to let agents analyze and help fix build failures autonomously.