PowerShell for Team Foundation Server

CodePlex - PowerShell Cmdlets for Visual Studio Team System

“PowerShell cmdlets to control and configure Visual Studio Team System components including build, reporting, testing, version control, and work item tracking.

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PowerShell Cmdlets for Visual Studio Team System - User Guide

“Registered Server

• Add-RegisteredServer (pscmdlets4teamsystem 0.1)
• Get-RegisteredServer (pscmdlets4teamsystem 0.3)
• Remove-RegisteredServer (pscmdlets4teamsystem 0.3)

Build Agent

• Disable-BuildAgent (pscmdlets4teamsystem 0.1)
• Enable-BuildAgent (pscmdlets4teamsystem 0.1)
• Get-BuildAgent (pscmdlets4teamsystem 0.3)

Build Definition

• Disable-BuildDefinition (pscmdlets4teamsystem 0.1)
• Enable-BuildDefinition (pscmdlets4teamsystem 0.1)
• Get-BuildDefinition (pscmdlets4teamsystem 0.3)

Build

• Start-Build (pscmdlets4teamsystem 0.1)
• Stop-Build (pscmdlets4teamsystem 0.3)

Queued Build

• Get-QueuedBuild (pscmdlets4teamsystem 0.3)
• Suspend-QueuedBuild (pscmdlets4teamsystem 0.3)
• Resume-QueuedBuild (pscmdlets4teamsystem 0.3)

Work Item

• Add-WorkItemAttachment (pscmdlets4teamsystem 0.1)
• Get-WorkItem (pscmdlets4teamsystem 0.1)

Work Item Query

• Add-WorkItemQuery (pscmdlets4teamsystem 0.3)

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Project is still alpha, but it looks pretty interesting already...

Also of note is that this project both uses Visual Basic AND WiX. (So that's like four cool things all in one nifty package!  lol  :)