add support for detecting OpenAI Codex usage of the dotnet CLI#52861
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baronfel wants to merge 4 commits intodotnet:release/10.0.3xxfrom
Closed
add support for detecting OpenAI Codex usage of the dotnet CLI#52861baronfel wants to merge 4 commits intodotnet:release/10.0.3xxfrom
baronfel wants to merge 4 commits intodotnet:release/10.0.3xxfrom
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Pull request overview
This PR adds support for detecting OpenAI Codex usage of the dotnet CLI through telemetry. However, it also includes undocumented changes to the detection rules for Claude Code and Cursor AI environments.
Changes:
- Adds new telemetry detection for OpenAI Codex via the CODEX_THREAD_ID environment variable
- Changes CLAUDECODE and CURSOR_EDITOR detection from AnyPresentEnvironmentRule to BooleanEnvironmentRule
- Adds test case for CODEX_THREAD_ID detection
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.
| File | Description |
|---|---|
| src/Cli/dotnet/Telemetry/LLMEnvironmentDetectorForTelemetry.cs | Adds Codex detection rule and changes Claude/Cursor rules from AnyPresentEnvironmentRule to BooleanEnvironmentRule |
| test/dotnet.Tests/TelemetryCommonPropertiesTests.cs | Adds test case for CODEX_THREAD_ID environment variable |
MiYanni
approved these changes
Feb 6, 2026
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@copilot make the rules I added/changed all use the 'accept any' strategy - I am dumb and forgot that the values might not be booleans which is causing the test failures. |
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/azp run dotnet-sdk-public-ci |
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Azure Pipelines successfully started running 1 pipeline(s). |
22 tasks
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Going to close this in favor of #52878 which is more comprehensive. |
auto-merge was automatically disabled
February 6, 2026 18:59
Pull request was closed
This was referenced Feb 6, 2026
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Quick PR to add one more heuristic.