TeamCity 2026.1: CLI, MCP for AI Agents, Pipelines Enhancements, and More | The TeamCity Blog

TeamCity 2026.1 introduces several new features, including the TeamCity CLI for terminal access and AI integration, support for the Model Context Protocol (MCP) to enhance AI tool interoperability, and improvements to Pipelines with enhancements in YAML and Kotlin DSL configurations. The release also addresses a high-severity security vulnerability, CVE-2026-44413, affecting TeamCity On-Premises, urging users to update to the latest version or apply a security patch plugin. Additionally, the AI Assistant is now available in Enterprise trial accounts, and SAML authentication support is bundled to improve single sign-on capabilities. The update also brings improvements to the Pipeline Run page, job build features, and the ability to define upstream dependencies, allowing for more streamlined and manageable workflows. The release aligns with a new naming convention for TeamCity versions and emphasizes ongoing enhancements to user experience and security.