harness-debug plugin
Six-stage diagnosis order for hard errors: reproduce, minimise, hypothesise, instrument, fix, regression-test — one stage's output is the next stage's entry ticket.
How to install the harness-debug plugin
Run both commands inside Claude Code. The first adds the marketplace once; the second installs the plugin.
/plugin marketplace add 3xachris/3xa-harness
/plugin install harness-debug@3xa-harnessWhat's inside harness-debug
1 part read from the plugin's own files.
Skills 1
Claude loads it when the task matches- staged-diagnosis
Diagnose a hard error in six ordered stages — reproduce, minimise, hypothesise, instrument, fix, regression-test — where each stage produces the thing the next stage needs before it may start. Use on a crash, traceback, silent wrong answer, zero-byte or truncated output, intermittent flake, or a check that started failing between two known-good states.
Using harness-debug in Claude Code
Skills need no command. Claude reads them when your request matches what they describe.
Update, turn off or remove
- Update the plugin (shell)
- claude plugin update harness-debug@3xa-harness
- Refresh the marketplace
- /plugin marketplace update 3xa-harness
- Turn it off for now
- /plugin disable harness-debug@3xa-harness
- Remove it
- /plugin uninstall harness-debug@3xa-harness
Skills in harness-debug
- staged-diagnosis3xachris/3xa-harness
Diagnose a hard error in six ordered stages — reproduce, minimise, hypothesise, instrument, fix, regression-test — where each stage produces the thing the next stage needs before it may start. Use on a crash, traceback, silent wrong answer, zero-byte or truncated output, intermittent flake, or a check that started failing between two known-good states.
17stars
harness-debug plugin questions
How do I install the harness-debug plugin?
In Claude Code run /plugin marketplace add 3xachris/3xa-harness, then /plugin install harness-debug@3xa-harness.
What does the harness-debug plugin include?
harness-debug bundles 1 skill.
How do I update or remove the harness-debug plugin?
Update it with claude plugin update harness-debug@3xa-harness in your shell, or from the Installed tab of /plugin. Remove it with /plugin uninstall harness-debug@3xa-harness.
What license is the harness-debug plugin under?
MIT, as stated in the plugin's manifest.