CI/CD & Pipelines
GitHub Actions Context Reference
Search GitHub Actions context objects and expressions. Covers github, runner, env, steps, secrets, and needs contexts with available properties and expression syntax.
No data is transmitted — everything runs locallyTool
About this tool
GitHub Actions Context Reference
The GitHub Actions Context Reference covers all context objects — github, runner, env, steps, secrets, and needs — with available properties and expression syntax.
• Look up github.ref vs github.head_ref for PR workflows
• Find steps context syntax for accessing previous step outputs
• Reference needs context before passing data between dependent jobs
• Check which secrets context properties are available in composite actions
Next step
CI Artifact Retention Cost Calculator — Calculate GitHub Actions artifact storage cost from artifact size and retention period.
Open CI Artifact Retention Cost Calculator →
FAQ
What does this tool tell you?
The GitHub Actions Context Reference covers all context objects — github, runner, env, steps, secrets, and needs — with available properties and expression syntax.
What affects the result most?
github context: github.ref, github.sha, github.event_name, github.actor, github.repository. runner context: runner.os, runner.arch, runner.temp, runner.tool_cache. env context: env.MY_VAR — references variables set with env: at workflow/job/step level.
How should I use the result?
Use this tool to orient quickly to the concepts, field names, or values you are about to look up in a full specification or vendor documentation. It summarizes the common cases; the authoritative source remains whichever standard or vendor doc defines the values themselves.
Related tools