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 skills add Ezra144israel/governed-agent-skills --skill write-maintainable-codegit clone --depth 1 https://github.com/Ezra144israel/governed-agent-skillsWrote 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/skills/ezra144israel/governed-agent-skills/write-maintainable-code)<a href="https://agentmods.dev/skills/ezra144israel/governed-agent-skills/write-maintainable-code"><img src="https://agentmods.dev/badge/skills/ezra144israel/governed-agent-skills/write-maintainable-code/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/ezra144israel/governed-agent-skills/write-maintainable-code"><img src="https://agentmods.dev/badge/skills/ezra144israel/governed-agent-skills/write-maintainable-code.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00067 | $0.00981 |
| Opus 5.5 | $0.00027 | $0.00392 |
| Sonnet 5.5 | $0.00013 | $0.00196 |
| Haiku 4.5 | $0.00007 | $0.00098 |
Grade A, and why
write-maintainable-code 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 1mo 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 — 99 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Write maintainable code
Use the fewest concepts that satisfy the approved result and its acceptance evidence. Minimize maintenance burden, not raw line count.
Keep the ownership boundary
reasoning-doctrineowns the stage, outcome, scope, evidence, route recommendation, hard stops, and the transition to execution.governed-operatorowns authority, seats, formal contracts, verdicts, publication, and Done.- This skill owns route comparison, ownership seams, concept control, readability, and implementation verification.
If outcome, acceptance evidence, or authority is unresolved, return to its owner. Apply this lens only to the selected route and safe slice. A finished change needs independent review.
Compare routes before adding code
- Restate the fixed result and acceptance evidence without reopening them.
- Inspect current code and reuse candidates. Compare current behavior, configuration, reuse, adaptation, replacement, new code, deletion, documentation, and no-code routes. If the current evidence already passes, make no change.
- Compare the strongest simpler alternative. Choose a route only when the fixed acceptance evidence can prove it.
- Name the smallest ownership seam and the concepts the selected route needs. Give each new responsibility a concrete reason tied to the accepted outcome. Name tempting concepts the result does not need.
Choose reuse when it is the better total solution. Existing code alone is no reason to require reuse or reject new code. Compare simplicity, safety, clarity, coupling, and maintenance cost. Existing tools, frameworks, vendor implementations, standards, protocols, and delivery systems are options. Building a capability, connection, protocol, or delivery mechanism remains valid when it is the better lawful solution. Neither reuse nor custom work wins without evidence.
For an implementation return or an engineering proposal required by
governed-operator, name the inspected source and reuse candidates, what to
reuse, adapt, replace, or build and why,
the strongest simpler alternative, necessary new responsibilities, material
placement and dependency choices, verification and meaningful negative cases,
and unresolved prerequisites or decisions that could change implementation.
Keep this evidence short. That owner decides when a proposal is required and
how it returns. This skill creates no proposal or approval gate.
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.
- 1mo ago Changed · +21 lines e01e1199a360
- 1mo ago Changed · +6 lines 982b078511ae
- 1mo ago First seen · 72 lines · 67 tokens per session scan A e179eb30806b
write-maintainable-code is a skill published in the GitHub repository Ezra144israel/governed-agent-skills (22 stars, last pushed 1mo ago), licensed MIT. It adds 67 tokens to every session and 981 once invoked, about $0.0003 per session on Opus 5.5. 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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