Command Overview
beacon ci start starts a local collector, writes a session state file, and prints or exports telemetry environment variables for later workflow steps.
Command syntax
$GITHUB_ENV so later run: or uses: steps can inherit them. Claude Code uses environment variables; Codex uses a generated CODEX_HOME with Beacon OTLP configuration.
Flags
Examples
Start a detached Beacon CI telemetry session:Start a detached Beacon CI telemetry session
Start with a stable runtime log path
Related
beacon ci
Review CI artifact paths and command group behavior.
beacon ci finish
Stop, validate, and export a detached telemetry session.
CI Telemetry Exports
Export CI runtime JSONL through workflow artifacts, S3, GCS, or downstream pipelines.

