jentic-api-scorecard: Skill for Claude Code

.claude/skills/sdd-create-constitution/SKILL.md

sdd-create-constitution is a skill for Claude Code from jentic/jentic-api-scorecard. It costs 149 tokens per session (3,165 once invoked), scanned A, original, Apache-2.0.

A setup guide for a Spec-Driven Development constitution: documents describing a project’s purpose, technology, and roadmap.

In plain words
What is it for?
Use it to create mission.md, tech-stack.md, and roadmap.md when starting an SDD workflow, while protecting existing files from accidental overwriting.
Why use it?
It turns existing repository evidence into a shared foundation for later feature specifications and implementation tasks.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter. Also seen: mentions CLAUDE.md; mentions subagents; names the AskUserQuestion tool.

This is jentic/jentic-api-scorecard's own configuration. It tells Claude Code how to work on jentic-api-scorecard itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything jentic-api-scorecard configures →

Reuse

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.

Copy the file
curl -O https://raw.githubusercontent.com/jentic/jentic-api-scorecard/main/.claude/skills/sdd-create-constitution/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/jentic/jentic-api-scorecard

Made for: Claude Code.

Wrote 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.

agentmods badge for sdd-create-constitution

README.md
[![agentmods](https://agentmods.dev/badge/skills/jentic/jentic-api-scorecard/sdd-create-constitution/github.svg)](https://agentmods.dev/skills/jentic/jentic-api-scorecard/sdd-create-constitution)
Your own site
<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.

agentmods 80×15 button for sdd-create-constitution

Your own site · 80×15
<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>
Per session 149 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,165 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce 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

Measured 8d ago against content hash ff80282bbea2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

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.

.claude/skills/sdd-create-constitution/SKILL.md · 170 lines

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, or specs/roadmap.md already exists, the skill stops at Phase 0 and asks the user via AskUserQuestion whether 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. Use Explore subagents 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 a sources: 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.

Read the full file on GitHub · 170 lines

Changes

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.

  1. 8d ago First seen · 170 lines · 149 tokens per session scan A ff80282bbea2

Subscribe to this mod's changes

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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