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    Agent Scaffold Builder

    by Arnstein Larsen

    Turn a one-line job description into a production-ready, guarded, and tested AI agent scaffold.

    Updated Jul 2026
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    Claude.ai skills

    $8.99

    · or 45 credits

    30-day refund guarantee

    Secure checkout via Stripe

    Included in download

    • Generate production-ready system prompts and SKILL.md files in one pass.
    • Define strict autonomous vs. approval-gated action boundaries.
    • Ready for Claude.ai skills
    • Instant install

    See it in action

    You say

    Scaffold an agent to monitor competitor pricing and draft a Slack summary.

    Your agent does

    === AGENT CONCEPT ===

    Mission: Track competitor pricing changes and notify the team. Assumptions: Runs weekly, uses browser tool for scraping, writes to Slack.

    === SYSTEM PROMPT ===

    [Code block with role: Price Analyst, strict formatting rules, and escalation paths...]

    About This Skill

    The problem

    Building production-ready AI agents requires more than just a good prompt. Developers often struggle with scope creep, missing guardrails, and lack of structured memory, leading to agents that are unreliable or risky to deploy.

    What it does

    • Generates a complete agent charter with measurable goals and strict non-goals.
    • Produces paste-ready system prompts and universal SKILL.md scaffolds for various runtimes.
    • Maps out tool integrations with specific access levels and failure behaviors.
    • Designs a three-tier guardrail system separating autonomous, approval-gated, and forbidden actions.
    • Builds a comprehensive test suite including happy-path, edge-case, and prompt-injection scenarios.

    Frameworks & tools

    Compatible with Claude Code, Cursor, MCP, and any SKILL.md-compatible agent environment.

    Why this beats prompting it yourself

    Standard LLM prompts often ignore operational realities like state management and failure recovery. This tool enforces a senior architect's rigor, ensuring every agent has a deployment checklist, a recovery plan, and a client-ready handoff document from the start.

    Use cases

    • Architecting a support inbox triaging agent with human-in-the-loop approval gates.
    • Designing a competitor price monitor with structured file-based memory.
    • Building a weekly client report drafter with specific non-goals to prevent hallucinations.
    • Scaffolding a specialized dev-tool agent with tiered filesystem access permissions.

    Known limitations

    This skill provides the architecture and code scaffolds but does not perform the actual deployment or API credential management.

    Use Cases

    • Generate production-ready system prompts and SKILL.md files in one pass.
    • Define strict autonomous vs. approval-gated action boundaries.
    • Create structured memory and state designs for long-running workflows.
    • Build comprehensive test suites for edge cases and prompt injection.

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    Security Scanned

    Passed automated security review

    Permissions

    No special permissions declared or detected

    Works with any SKILL.md-compatible agent (Claude Code, Claude.ai skills, Codex CLI, Cursor, Gemini CLI). Best with Claude Sonnet 4.5+ on high effort.

    Frequently Asked Questions

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