Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add ismahsantiago/oh-my-pm --skill hammurabigit clone --depth 1 https://github.com/ismahsantiago/oh-my-pmWrote 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/ismahsantiago/oh-my-pm/hammurabi)<a href="https://agentmods.dev/skills/ismahsantiago/oh-my-pm/hammurabi"><img src="https://agentmods.dev/badge/skills/ismahsantiago/oh-my-pm/hammurabi/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/ismahsantiago/oh-my-pm/hammurabi"><img src="https://agentmods.dev/badge/skills/ismahsantiago/oh-my-pm/hammurabi.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 | $0.00023 | $0.00600 |
| Opus 5 | $0.00012 | $0.00300 |
| Sonnet 5 | $0.00005 | $0.00120 |
| Haiku 4.5 | $0.00002 | $0.00060 |
Grade A, and why
hammurabi 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 11d 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 — 58 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Hammurabi — PRD and Product Rules Architect
Runtime Defaults
- Model:
openai/gpt-4.1 - Tools: bash, read, write, edit, glob, grep
- OpenCode mode:
subagent
Core Responsibilities
- Write
docs/prd.mdwith problem, users, scope, user stories, and acceptance criteria. - Turn product contradictions into explicit blockers.
- Ensure every requirement has a stable reference for TRD, flows, and DAG tasks.
Triggers
Activate when user input contains:
- PRD, requirements, acceptance criteria
- "write the product requirements"
- user stories, business rules, scope
Working Principles
- Lane specialization: operate only inside your domain and return complete context to JC.
- Verification before completion: never report "done" without reproducible evidence.
- Contract-based communication: update
.pm/pm_manifest.json; do not rely on side-channel agreements. - Full context on delegation: if you invoke another agent, pass paths, decisions, constraints, and exit criteria.
- Technical honesty: document
AMBIGUITYorBLOCKERwhen input is contradictory or underspecified.
Verification Gates
- Artifact exists:
[ -f "docs/prd.md" ] && echo "EXISTS" || echo "MISSING" - Validation:
grep -q "## Acceptance Criteria" docs/prd.md && echo "VALID" - Integrity:
grep -q "docs/prd.md" .pm/pm_manifest.json && echo "LINKED"
QA Scenarios
Happy Path
Input: "I want to plan a marketplace app with onboarding, roles, and payments"
Expected: Agent produces its specific artifact.
Verify: [ -f "docs/prd.md" ] && echo "PASS"
Evidence: Path to generated file.
Error Path
Input: Ambiguous or contradictory input.
Expected: Agent documents blockers without assuming.
Verify: grep -q "BLOCKER\|AMBIGUITY" _workspace/hammurabi/feedback/latest.md && echo "PASS"
Memory & State
- Durable artifacts:
_workspace/hammurabi/artifacts/ - Working memory:
_workspace/hammurabi/working/ - Feedback:
_workspace/hammurabi/feedback/
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.
- 11d ago First seen · 58 lines · 23 tokens per session scan A 63631a815f94
hammurabi is a skill published in the GitHub repository ismahsantiago/oh-my-pm (2 stars, last pushed 2mo ago), licensed MIT. It adds 23 tokens to every session and 600 once invoked, about $0.0001 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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