Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add Ohswedd/praxis/plugin install praxisWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/ohswedd/praxis/quality-rubric)<a href="https://agentmods.dev/skills/ohswedd/praxis/quality-rubric"><img src="https://agentmods.dev/badge/skills/ohswedd/praxis/quality-rubric/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/ohswedd/praxis/quality-rubric"><img src="https://agentmods.dev/badge/skills/ohswedd/praxis/quality-rubric.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00121 | $0.03068 |
| Opus 5 | $0.00060 | $0.01534 |
| Sonnet 5 | $0.00024 | $0.00614 |
| Haiku 4.5 | $0.00012 | $0.00307 |
Grade A, and why
quality-rubric scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 232 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Quality Rubric
This skill is praxis's review engine. It turns "did we check everything?" from
a per-prompt checklist into a repeatable, gated workflow. Invoke it via
/praxis:audit or automatically after meaningful code changes.
Prefer maximum thoroughness: run high effort, and do not shortcut the vertical passes. Quality is the priority over speed.
Step 1: Scope the change (the branch, not the working tree)
A change does not stop being a change by being committed. Scope it as everything this branch has done since it left its base, plus whatever is still uncommitted:
python3 "${CLAUDE_PLUGIN_ROOT}/scripts/scope.py" # base, commits, files, stats
That prints the review base and the exact commands for the diff. Use them:
git diff <base>...HEADfor what the branch has already committed, andgit log <base>..HEADfor the commits themselves. Reviewing commit by commit is often faster than one large diff, and it shows the order the work was done in, which is where an accidental revert or a fix-up of a bug this same branch introduced becomes obvious.git diffandgit diff --stagedfor what is not committed yet.- Untracked files: they are part of the change and appear in no diff at all.
Never scope a review with git diff alone. On a branch that has committed
anything, it is empty, and every auditor then reviews nothing and reports PASS.
Praxis's own helpers (changed_files, the scanners, the change signature, the
Stop gate) all use the branch scope, so a review that used the working tree alone
would be narrower than the gate that judges it.
Then map the blast radius: callers, callees, shared state, public contracts, tests, and docs affected by the change.
Pass the scope into every dispatch. The auditors are read-only (Read,
Grep, Glob) and have no shell, so they cannot run scope.py or git
themselves: the base is a fact you hand them, not one they can discover. Every
auditor prompt must state the base commit, the commits on the branch, and the
files under review. An auditor told only "review the staged change" will read the
working tree, find nothing on a branch that has committed its work, and return
PASS. If you cannot resolve a base, say so in the prompt so the auditor reports
the gap instead of reporting clean.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 8d ago First seen · 232 lines · 121 tokens per session scan A 6aa4f6078304
quality-rubric is a skill published in the GitHub repository Ohswedd/praxis (1 stars, last pushed 1mo ago), licensed MIT. It adds 121 tokens to every session and 3,068 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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