codealive-ai/ai-driven-development · skills/code-that-fits-in-your-head/SKILL.md
code-that-fits-in-your-head skillA
Software-engineering heuristics based on Mark Seemann's Code That Fits in Your Head (2021), updated for agent-driven development. Use when writing or reviewing code, refactoring accidental complexity or a Big Ball of Mud, controlling technical or architectural debt in generated code, designing APIs and invariants, adding a feature through a walking skeleton and acceptance tests, debugging a defect with reproducible tests or bisection, threat-modelling endpoints and trust boundaries with STRIDE,
Latest version
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260813.a1fd9f2 latest | 2026-08-13 | a1fd9f2 | 6,916 B | A | view · diff |
| git:20260728.6a369da | 2026-07-28 | 6a369da | 6,413 B | A | view · diff |
| git:20260618.02f44b4 | 2026-06-18 | 02f44b4 | 6,242 B | A | view |
Audit of the latest version
A 17 of 17 checks passed. Deterministic, no model, same answer every run.
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (6916 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
GitHub
codealive-ai/ai-driven-development · 132 stars · license MIT · pushed 2026-09-05 · branch main
API
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