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Contract Key Safety

Category: General  ·  Sub-category: legal-compliance  ·  Last updated:
type:audit
Trigger Pattern Always required for DAML audits (self-skips if no template defines a key) - Inject Into Breadth agents, depth-state-trace
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

A DAML contract key is a uniqueness handle plus a maintainer set. The single most dangerous DAML key bug is the lookupByKey false-None: a None result means "no contract with this key is visible to the reading parties" — NOT "no such contract exists". A choice that treats None as "absent" and creates fresh state can mint duplicates. Additionally, maintainer parties MUST be signatories of the keyed contract; a maintainer/signatory gap breaks key authority. If no template in scope defines a key, this skill self-skips (every section ✗(N/A — no keyed templates)).

What this skill does

Contract Key Safety is a community-contributed Claude Code skill in the legal-compliance sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/contract-key-safety/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Contract Key Safety Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 150,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/contract-key-safety
curl -L https://claudskills.com/skills/contract-key-safety/SKILL.md \
  -o ~/.claude/skills/contract-key-safety/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/contract-key-safety/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/contract-key-safety/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\contract-key-safety\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Contract Key Safety Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/contract-key-safety/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Contract Key Safety skill do?
Trigger Pattern Always required for DAML audits (self-skips if no template defines a key) - Inject Into Breadth agents, depth-state-trace
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Contract Key Safety skill?
Use Contract Key Safety when your Claude Code task falls under the General category — specifically in the legal compliance area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Contract Key Safety" or describe the task and let Claude pick). Browse related skills at /category/general/.
What is a Claude Code skill and how does the Contract Key Safety skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Contract Key Safety is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
PlamenTSV. (2026). Contract Key Safety [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/contract-key-safety/
BibTeX
@misc{contract-key-safety-2026,
  author    = {PlamenTSV},
  title     = {Contract Key Safety [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/contract-key-safety/}
}

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Security scan

Grade A · scanned 2026-07-12 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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