Borrowing it
Nothing to install: this file belongs to jentic/jentic-api-scorecard. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/jentic/jentic-api-scorecard/main/.claude/skills/sdd-create-constitution/SKILL.mdgit clone --depth 1 https://github.com/jentic/jentic-api-scorecardWrote 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/jentic/jentic-api-scorecard/sdd-create-constitution)<a href="https://agentmods.dev/skills/jentic/jentic-api-scorecard/sdd-create-constitution"><img src="https://agentmods.dev/badge/skills/jentic/jentic-api-scorecard/sdd-create-constitution/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/jentic/jentic-api-scorecard/sdd-create-constitution"><img src="https://agentmods.dev/badge/skills/jentic/jentic-api-scorecard/sdd-create-constitution.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00149 | $0.03165 |
| Opus 5 | $0.00075 | $0.01582 |
| Sonnet 5 | $0.00030 | $0.00633 |
| Haiku 4.5 | $0.00015 | $0.00316 |
Grade A, and why
sdd-create-constitution 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 — 170 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/sdd-create-constitution — bootstrap the SDD constitution
You are operating within a Spec-Driven Development (SDD) workflow. See .claude/rules/sdd-constitution.md.
The constitution is the project foundation that every later SDD action (feature specs, tasks, implementation) derives from. It lives in specs/ as three files: mission.md (why and who), tech-stack.md (what exists), roadmap.md (what comes next, in small phases). This skill bootstraps those three files from current repository evidence — code, configs, dependencies, docs — rather than aspiration. Once the constitution exists, future phases are appended via /sdd-new-phase and materialized into feature specs via /sdd-new-spec. This skill is the cold-start; it is not for incremental updates.
Hard constraints
- Refuse to overwrite without explicit user confirmation. If
specs/mission.md,specs/tech-stack.md, orspecs/roadmap.mdalready exists, the skill stops at Phase 0 and asks the user viaAskUserQuestionwhether to overwrite. Default-deny: anything other than an explicit "overwrite all three files" selection aborts the run. Do not auto-backup, rename, or move existing files — the user owns them. - Do not write to disk before the Phase 4 AskUserQuestion completes. The grouped clarifying questions lock in decisions that shape file content; writing earlier wastes the call.
- Ground every claim in repository evidence. Prefer facts from the code trees that exist (e.g.
docker/,packages/,src/),docs/,pyproject.toml,package.json,Dockerfile, and similar over assumptions. UseExploresubagents for parallel research; do not invent capabilities, libraries, or constraints the repo does not support. - Distinguish confirmed facts from inferred conclusions and unknowns. Mark uncertainty inline; do not present inferences as facts.
- No git actions, no commits, no branching. This skill writes files and stops. Branching, committing, and PR creation are user actions per
.claude/rules/git-workflow.md. - Templates are structural scaffolds, not content. Replace every
[PLACEHOLDER]; do not copy template prose verbatim. - Front matter shape is fixed. Each file starts with YAML frontmatter:
type: constitution,section: mission|tech-stack|roadmap,generated_by: spec-driven-agent,generated_at: <ISO 8601 UTC timestamp>,confidence: low|medium|high. Do not add asources:list — nothing consumes it and it rots; cross-reference load-bearing docs inline in the body instead. - If the repo is empty (no code, no configs), stop and tell the user — there is nothing to ground a constitution against. The skill documents and structures what exists; it does not design from scratch.
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 · 170 lines · 149 tokens per session scan A ff80282bbea2
sdd-create-constitution is a skill published in the GitHub repository jentic/jentic-api-scorecard (21 stars, last pushed yesterday), licensed Apache-2.0. It adds 149 tokens to every session and 3,165 once invoked, about $0.0007 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 2026-08-30.
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