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 khromov/codebay --skill avatar-contribution-prgit clone --depth 1 https://github.com/khromov/codebayWrote 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/khromov/codebay/avatar-contribution-pr)<a href="https://agentmods.dev/skills/khromov/codebay/avatar-contribution-pr"><img src="https://agentmods.dev/badge/skills/khromov/codebay/avatar-contribution-pr/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/khromov/codebay/avatar-contribution-pr"><img src="https://agentmods.dev/badge/skills/khromov/codebay/avatar-contribution-pr.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 | $0.00000 | $0.01735 |
| Opus 5.5 | $0.00000 | $0.00694 |
| Sonnet 5.5 | $0.00000 | $0.00347 |
| Haiku 4.5 | $0.00000 | $0.00173 |
Grade A, and why
avatar-contribution-pr 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 — 119 lines — stays where its author put it; the contents beside it link to each section on GitHub.
This skill lands an avatar submission from codebay's hidden avatar-editor easter egg. The editor (src/components/AvatarEditor.svelte) serializes a drawing via src/avatars/serialize.ts::toIssueUrl, which produces one of two issue shapes depending on whether the user drew a new sprite or redrew an existing one. Both carry the pixel art in a plain fenced block and a byte-identical ready-to-paste src/avatars/<name>.ts module in a ```ts block. This skill reverses that: read the issue, decide create vs. edit, validate the art, and turn it into a merged PR.
1. Fetch the issue and pick the mode
Accept an issue number or URL as input. Fetch it:
gh issue view <number-or-url> --json number,title,body,url
The title prefix decides the mode — the rest of the skill branches on it:
Avatar contribution: <name>→ create: a brand-new sprite. Add a new module and wire it into the catalog.Avatar edit: <name>→ edit: a hand-redraw of an existing AI-generated sprite. Overwrite the existing module in place; the replacement drops therobotflag, so landing it promotes the sprite from robot-drawn to hand-drawn. Do not add a new file or touchindex.ts.
Either way, confirm the body matches what serialize.ts::toIssueUrl produces:
- Body contains a plain fenced block with 8 lines of
#/+/.art (#= on,+= gray,.= off) - Body contains a
```tsfenced block with a fullAvatarArtmodule (import type { AvatarArt } from './types.ts'; ... export default art;)
If the issue doesn't look like this — title is neither prefix, missing code block, art that isn't 8×8 — stop and tell the user what's off rather than guessing at intent or trying to reshape it into something that fits.
2. Extract & validate
Pull name and the module source out of the ```ts block. Before writing anything, validate the art against the same rules src/avatars/avatars.test.ts enforces:
- Exactly 8 rows in
pixels - Each row is exactly 8 characters, only
#,+or.(the editor never emits raw spaces, but treat space as off too if you see one)
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 First seen · 119 lines · 0 tokens per session scan A 0d4280d76ded
avatar-contribution-pr is a skill published in the GitHub repository khromov/codebay (13 stars, last pushed 6d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,735 tokens. 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 2026-08-31.
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