TeamCity functionality can be significantly extended by a custom plugin. TeamCity plugins are written in Java (Kotlin, Groovy and JRuby can also be used), runs within the TeamCity application and has access to internal entities of the TeamCity server or agent.
Aside from this documentation, please refer to the following sources:
If you cannot find enough information or have a question regarding API please do not hesitate to post your question into TeamCity Plugins forum. Please use search before posting to find out if alike question was already answered in the forums.
Please refer to corresponding section for further details.
- Plugin Types in TeamCity
- Bundled Development Package
- Developing Plugins Using Maven
- Open API Changes
- Plugins Packaging
- Server-side Object Model
- Agent-side Object Model
- Web UI Extensions
- Plugin Settings
- Development Environment
- Typical Plugins
- Build Runner Plugin
- Custom Build Trigger
- Extending Notification Templates Model
- Issue Tracker Integration Plugin
- Version Control System Plugin
- Version Control System Plugin (old style - prior to 4.5)
- Custom Authentication Module
- Custom Notifier
- Custom Statistics
- Custom Server Health Report
- Extending Highlighting for Web diff view
For starting with a plugin using Maven please see Developing Plugins Using Maven.
There are also several approaches to create plugins provided by third parties or existing out of the main TeamCity development line:
- Gradle plugin to build TeamCity plugins
- Maven Archetype for TeamCity server plugin
- template plugin 1, see also a blog post - Git, IDEA project
- template plugin 2 - Subversion, IDEA project and Ant build, generates a plugin with custom name, see details in the readme.txt of the checkout
See also a post on the very initial steps for setting up plugin development environment.