AgentSkillLint
A linter for agent skill files (.claude/agents, .cursor/rules, AGENTS.md, CLAUDE.md, MCP server manifests) that catches contradictions, dead branches, unused tools, and broken references. Like ESLint, but for the prompt files that drive your coding agents.
🎯The Problem
VoltAgent's awesome-agent-skills directory now lists 1,000+ skills with wildly variable quality, and individual repos accumulate dozens of skill files that contradict each other ('always use bun' in one, 'use npm for installs' in another). There is no validator, so contradictions only surface when an agent does the wrong thing in production.
💡The Solution
A CLI plus pre-commit hook that parses agent skill files into a structured representation, runs lint rules (contradictions, dead branches, references to nonexistent tools or files, duplicate rules across files), and outputs a fixable report. Ships with rule packs for Claude Code, Cursor, OpenCode, and generic AGENTS.md.
👥Target Users
Teams using Claude Code or Cursor with 5+ skill files, plus skill-pack publishers on awesome-agent-skills who want a quality stamp.
📊Difficulty: 4/10 — Beginner-Friendly
This is a beginner-friendly micro-SaaS idea, ideal for first-time builders or developers looking for a manageable side project. Ideas at this difficulty level typically involve straightforward architectures, well-documented APIs, and clear user flows.
Estimated Timeline
A few weekends to a working MVP
Skills Needed
Basic web development, a simple database, and a payment integration
Unlock Full Implementation Details
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- Core features & MVP scope
- Business model & pricing
- Tech stack recommendations
- Example user flows
- Value propositions
- Difficulty reasoning
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