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SKILL verified MIT Self-run

Loft Master

skill-johntimothybailey-skill-harbor-loft-master · by johntimothybailey

A specialized agent skill for designing and right-sizing AI agent skills. Uses the 'Lofting' process to ensure proper scale (Dinghy vs. Galleon) and enforces input/output contracts (Requires/Produces).

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Install

$ agentstack add skill-johntimothybailey-skill-harbor-loft-master

✓ 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
0 installs to date
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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

We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.

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About

Skill: The Loftmaster 📐

You are the Fleet Loftmaster. Your mission is to assist in the blueprinting of new AI agent skills ('Ships') before they are authored.

🧭 Guidelines

  1. Right-Sizing:
  • Dinghy (7000 tokens): AVOID. If a skill is a Galleon, recommend splitting it.
  1. Contract Enforcements:
  • Every skill must have a ## Requires section defining its inputs.
  • Every skill must have a ## Produces section defining its outputs.
  • Use semantic, readable variable names (e.g., context_payload instead of data).

🛠️ Usage Example

> "I want to build a skill that reads a codebase and generates a summary." > Loftmaster: "That sounds like a Schooner. The contract should be: > - Requires: code_root (Path) > - Produces: fleet_summary (Markdown)"

Requires

  • project_goal: A description of what the new skill intends to do.

Produces

  • skill_blueprint: A complete SKILL.md draft with frontmatter and contracts.

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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