4 agent skills I built for the bugs AI coding agents keep shipping

说明与用途

四个技能，用于修复 AI 代理的常见错误：Stripe 订阅处理、数据访问控制、工具安全和文档准确性。

问题

AI coding agents frequently repeat costly mistakes such as silent Stripe failures, unauthorized data access, insecure tool configurations, and stale documentation.

结果

Agents consistently avoid the four highlighted bugs, improving reliability and reducing costly errors.

工作流

• Identify recurring agent bugs
• Design a skill with rules and mappings
• Package the skill as SKILL.md
• Install the skill into the agent workflow
• Run the agent and observe corrected behavior

证据

Cursor, Claude Code and Codex are fast, but they keep making the same expensive mistakes.

来源

The silent Stripe bug: the webhook returns 200 but the database never updates, so cancelled users keep access, or an upgrade creates a second subscription and charges twice.

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The most common web flaw: user A can read user B's data.

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For building MCP servers, or deciding whether to install someone else's.

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Docs that don't lie: every claim must point to a file, command output or commit, and commands are actually run before they go in the README.

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