pyroxin/opinionated-claude-skills · opinionated-software-engineering/skills/software-engineer/SKILL.md

software-engineer skillA

software-engineer is agent-read markdown (skill) from pyroxin/opinionated-claude-skills: Core software engineering philosophy and design principles based on Structure and Interpretation of Computer Programs (SICP). Use for all software development tasks including writing code, designing systems, refactoring, or making architectural decisions. MUST ALWAYS be loaded when working on any kind of software development or design task!.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add pyroxin/opinionated-claude-skills/software-engineer@git:20260730.234786c
Exact content
mdr add pyroxin/opinionated-claude-skills/software-engineer@sha256:327977cc60aeec45

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_5bsq2bbdhpxqlnhb.svg)](https://markdownregistry.com/a/art_5bsq2bbdhpxqlnhb)

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Versions

versioncommittedcommitsizeaudit
git:20260730.234786c latest2026-07-30 234786c 48,771 BA view · diff
git:20260730.4ff47492026-07-30 4ff4749 48,327 BA view · diff
git:20251203.c15c4d02025-12-03 c15c4d0 42,984 BA view · diff
git:20251203.3f926652025-12-03 3f92665 42,067 BA view · diff
git:20251129.c7223ee2025-11-29 c7223ee 41,729 BA 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 (48771 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

pyroxin/opinionated-claude-skills · 9 stars · license EPL-2.0 · pushed 2026-09-06 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_5bsq2bbdhpxqlnhb
GET https://markdownregistry.com/api/v1/resolve?ref=pyroxin/opinionated-claude-skills/software-engineer
GET https://markdownregistry.com/api/v1/blob/327977cc60aeec45a5d22312da038f49d6b90923f0bde3709484ee5b08efd7ae

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.