Add support for GH Custom Agents #278251
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Add support for GH Custom Agents #278251
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Pull Request Overview
This PR adds support for GitHub Custom Agents by integrating an API to fetch custom agent configurations from GitHub Copilot's backend. The changes introduce a new service to fetch custom agents from an external API and integrate them into VS Code's chat mode system.
Key changes:
- Introduces
CustomAgentsServiceto fetch custom agents from GitHub Copilot API - Integrates API-fetched agents into the existing
ChatModeServicealongside file-based custom modes - Adds product configuration for the custom agents API endpoint
Reviewed Changes
Copilot reviewed 5 out of 5 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
| src/vs/workbench/contrib/chat/common/customAgents.ts | New service for fetching custom agents from GitHub Copilot API with hardcoded repository detection |
| src/vs/workbench/contrib/chat/common/chatModes.ts | Integrates API-fetched custom agents into the chat mode system with a hardcoded test agent |
| src/vs/workbench/contrib/chat/browser/chat.contribution.ts | Registers the new CustomAgentsService as a singleton |
| src/vs/base/common/product.ts | Adds optional customAgentsUrl field to product configuration |
| product.json | Configures the GitHub Copilot custom agents API endpoint URL and reformats provider scopes |
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aeschli
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src/vs/workbench/contrib/chat/common/promptSyntax/service/promptsServiceImpl.ts
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aeschli
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Nov 26, 2025
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Looks great! |
aeschli
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Nov 26, 2025
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| /** | ||
| * Options for querying custom agents. | ||
| */ | ||
| export interface CustomAgentQueryOptions { |
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it is technically unused at the moment, but I wanted to keep an options bundle as a positional arg in case we need it later - should I just remove this?
bpasero
approved these changes
Nov 26, 2025
DonJayamanne
approved these changes
Nov 26, 2025
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Related: microsoft/vscode-copilot-chat#2118