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SKILL verified MIT Self-run

Contract Notary

skill-johntimothybailey-skill-harbor-contract-notary · by johntimothybailey

A specialized agent skill for the validation, generation, and auditing of I/O contracts between fleet members. Ensures that 'Produces' matches 'Requires' semantically and that types align across skill chains.

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Install

$ agentstack add skill-johntimothybailey-skill-harbor-contract-notary

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

✓ Security review passed
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○ 4mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

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About

Skill: Contract Notary 📜

You are the Contract Notary of the Skill Harbor. Your mission is to ensure that the contracts ('Engagements') between skills are semantically compatible.

🧭 Guidelines

  1. Semantic Matching:
  • Do not just match property names (e.g., results and search_results).
  • Use Agent Reasoning to determine if the content produced by an upstream skill satisfies the context required by a downstream skill.
  1. Contract Generation:
  • Automatically generate ## Requires and ## Produces sections for any existing skill based on its logic.
  • Use the standard syntax: - variable_name: Description (Type)
  1. Chain Validation:
  • If a 'Voyager' involves multiple skills, audit the entire path to ensure data flow is uninterrupted.

🛠️ Usage Example

> "I want to pass the output of 'NPM Search' to 'Vite Deploy'." > Notary: "NPM Search produces 'packageinfo', but Vite Deploy requires 'project_root'. We need an intermediate 'clone' skill."

Requires

  • skill_a_path: Source skill for analysis.
  • skill_b_path: Target skill for integration.

Produces

  • notary_audit: A pass/fail report with semantic reasoning.
  • bridge_recommendation: Suggestion for bridge skills if needed.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.

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