Borrowing it
Nothing to install: this file belongs to miikkij/aimeat-protocol. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/miikkij/aimeat-protocol/main/.claude/skills/aimeat-library-authoring/SKILL.mdgit clone --depth 1 https://github.com/miikkij/aimeat-protocolWrote 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/miikkij/aimeat-protocol/aimeat-library-authoring)<a href="https://agentmods.dev/skills/miikkij/aimeat-protocol/aimeat-library-authoring"><img src="https://agentmods.dev/badge/skills/miikkij/aimeat-protocol/aimeat-library-authoring/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/miikkij/aimeat-protocol/aimeat-library-authoring"><img src="https://agentmods.dev/badge/skills/miikkij/aimeat-protocol/aimeat-library-authoring.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.03675 |
| Opus 5.5 | $0.00000 | $0.01470 |
| Sonnet 5.5 | $0.00000 | $0.00735 |
| Haiku 4.5 | $0.00000 | $0.00367 |
Grade A, and why
aimeat-library-authoring scanned grade A with 1 finding 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 3d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
32 MB, stored on the record as `limits.fetchMaxBytes`), and `ctx.fetch(url, { gunzip: true })` How it starts
The opening of the file, as written. The whole thing — 175 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Authoring shared code
Four kinds of shared code, four different homes. Putting one in the wrong place is the recurring mistake, so start by naming which one you are writing.
| Kind | Runs where | Source | Reached as |
|---|---|---|---|
| Served SDK lib | the browser | src/static/sdk-libs/<name>/ (ESM) |
/v1/libs/aimeat-<name>.js |
| Cortex lib | the browser | its own package, installed on the node | /v1/cortex/<pack>/libs/<file>.js, or exactly /v1/cortex/<owner>/<pack>/libs/<file>.js |
| Extension | the node, QuickJS WASM sandbox | manifest + scripts/ |
/v1/ext/<name>/<action>, or exactly /v1/ext/<owner>%2F<name>/<action> |
The owner is part of the address too (since 2026-10-25, src/services/component-address.ts):
every bare address keeps working, and answers keep name and add owner and full_name. A name
another account removed is retired: the next install by someone else lands as <owner>/<name>, and
only the full address reaches it. Two accounts holding the same name make the bare name answer 409
AMBIGUOUS_NAME; the full name always works.
| Library pack | the browser (vendored third-party) | public/lib/ + registry entry | /lib/<name>@<major>.js |
Two prefixes, never mixed: AIMEAT SDK libs load from /v1/libs/, vendored styling and
third-party packs from /lib/. Mixing them 404s.
Served SDK libs (/v1/libs/aimeat-*.js)
About forty libs (count the directories under src/static/sdk-libs/, leaving out _core and dist). Authored as componentized, JSDoc-typed ESM under src/static/sdk-libs/<name>/,
sharing code through _core/, under 800 lines per file, esbuild-bundled to a classic IIFE with
pnpm build:sdk, and served with a per-node config prelude by src/routes/libs.ts. Guarded by
check:sdk (bundle in sync with sources), which runs in pnpm gate and CI, and typecheck:sdk, which runs in the pre-commit hook. A stale bundle therefore passes a commit and is caught by the gate, so run pnpm build:sdk before you commit.
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.
- 3d ago Changed · +6 lines d356d00d8158
- 11d ago Changed · +1 lines 4652dc6cbcd6
- 16d ago Changed · +17 lines 498f35bfb80e
- 17d ago Changed 645291a421ac
- 20d ago Changed · +10 lines 630efb94fc64
- 21d ago Changed · +5 lines 9e276a6f89a8
- 23d ago Changed · +3 lines 6c75c393877a
- 24d ago Changed · +6 lines 89d47f23499e
- 1mo ago Changed · +4 lines 23ffce783588
- 1mo ago First seen · 123 lines · 0 tokens per session scan A 958595d54b25
aimeat-library-authoring is a skill published in the GitHub repository miikkij/aimeat-protocol (10 stars, last pushed today), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 3,675 tokens. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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