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 agentmods add skills/zachjxyz/jvn/constitution-referencenpx skills add zachjxyz/jvn --skill constitution-referencegit clone --depth 1 https://github.com/zachjxyz/jvnWrote 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/zachjxyz/jvn/constitution-reference)<a href="https://agentmods.dev/skills/zachjxyz/jvn/constitution-reference"><img src="https://agentmods.dev/badge/skills/zachjxyz/jvn/constitution-reference.svg" alt="Measured on agentmods" 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 | $0.00013 | $0.00224 |
| Opus 5 | $0.00006 | $0.00112 |
| Sonnet 5 | $0.00003 | $0.00045 |
| Haiku 4.5 | $0.00001 | $0.00022 |
Grade A, and why
constitution-reference 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 6d 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.
What it actually says
Constitution Reference
Location
The project constitution lives at .specify/memory/constitution.md.
How to Read
Always use the Read tool to load the FULL constitution before any validation. Never validate from memory or assumptions.
What to Extract
When reading the constitution, identify:
- Stack Principles — What technologies are mandated and their usage patterns
- Engineering Principles — How code should be written (TDD, type safety, simplicity)
- AI Collaboration Principles — How human and AI work together (gates, approval flow)
- Quality Gates — What must pass before a phase is considered complete
If Constitution Doesn't Exist
If .specify/memory/constitution.md does not exist or is empty:
- Report that no constitution has been established
- Recommend editing
.specify/memory/constitution.mddirectly - Do NOT proceed with validation — there is nothing to validate against
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.
- 6d ago First seen · 33 lines · 13 tokens per session scan A 9bd11c2ec6d4
constitution-reference is a skill published in the GitHub repository zachjxyz/jvn (2 stars, last pushed 5mo ago), licensed MIT. It adds 13 tokens to every session and 224 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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