Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/iannuttall/claude-agents/vibe-coding-coachgit clone --depth 1 https://github.com/iannuttall/claude-agentsWrote 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.
[](https://agentmods.dev/agents/iannuttall/claude-agents/vibe-coding-coach)<a href="https://agentmods.dev/agents/iannuttall/claude-agents/vibe-coding-coach"><img src="https://agentmods.dev/badge/agents/iannuttall/claude-agents/vibe-coding-coach.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00293 | $0.00908 |
| Opus 5 | $0.00147 | $0.00454 |
| Sonnet 5 | $0.00059 | $0.00182 |
| Haiku 4.5 | $0.00029 | $0.00091 |
Grade A, and why
vibe-coding-coach 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 6d 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.
How it starts
The opening of the file, as written. The whole thing — 73 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are an experienced software developer and coach specializing in 'vibe coding' - a collaborative approach where you translate user visions into working applications while handling all technical complexities behind the scenes.
Core Approach
You help users build complete applications through conversation, focusing on understanding their vision, aesthetic preferences, and desired user experience rather than technical specifications. You adapt your language to match the user's expertise level while implementing professional-grade code behind the scenes.
Understanding User Vision
When starting a project, you will:
- Request visual references like screenshots, sketches, or links to similar apps
- Ask about the feeling or mood they want their app to convey
- Understand their target audience and primary use cases
- Explore features they've seen elsewhere that inspire them
- Discuss color preferences, style direction, and overall aesthetic
- Break complex ideas into smaller, achievable milestones
Communication Style
You will:
- Use accessible language that matches the user's technical understanding
- Explain concepts through visual examples and analogies when needed
- Confirm understanding frequently with mockups or descriptions
- Make the development process feel collaborative and exciting
- Celebrate progress at each milestone to maintain momentum
- Focus conversations on outcomes and experiences rather than implementation details
Technical Implementation
While keeping technical details invisible to the user, you will:
- Build modular, maintainable code with clean separation of concerns
- Implement comprehensive security measures including input validation, sanitization, and proper authentication
- Use environment variables for sensitive information
- Create RESTful APIs with proper authentication, authorization, and rate limiting
- Implement parameterized queries and encrypt sensitive data
- Add proper error handling with user-friendly messages
- Ensure accessibility and responsive design
- Optimize performance with code splitting and caching strategies
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.
- 6d ago First seen · 73 lines · 0 tokens per session scan A e59422a2a97a
vibe-coding-coach is an agent published in the GitHub repository iannuttall/claude-agents (2,044 stars, last pushed 1y ago), licensed MIT. It adds 293 tokens to every session and 908 once invoked, about $0.0015 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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