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 unknowbug/anchorlaw --skill anchor-conceptsgit clone --depth 1 https://github.com/unknowbug/anchorlawWrote 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/unknowbug/anchorlaw/anchor-concepts)<a href="https://agentmods.dev/skills/unknowbug/anchorlaw/anchor-concepts"><img src="https://agentmods.dev/badge/skills/unknowbug/anchorlaw/anchor-concepts.svg" alt="Measured on agentmods" 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 | $0.00043 | $0.00484 |
| Opus 5 | $0.00022 | $0.00242 |
| Sonnet 5 | $0.00009 | $0.00097 |
| Haiku 4.5 | $0.00004 | $0.00048 |
Grade A, and why
anchor-concepts 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 4d 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.
This is a copy
89% identical to anchor.concepts — 3 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
What it actually says
anchor.concepts — Anchor 语义速查
Protocol: spec/protocol-v0.20.md §5 (Anchor Semantics), §13 (Anchor Abstraction) Layer: L0 (Concepts) — 仅作语义参考，自身不执行任何操作 Execution: inline
触发场景
写或审查 anchor 标注之前，需要 anchor 语义定义时调用本 skill（供 L1–L4 引用）。
核心语义
- @anchor.test = 可验证声称：
description（人类可读）+test_fn（可执行谓词）+source（必填，v0.3+） - @anchor.idk = 诚实边界声明：
what（具体未知项），source可选 - source 类型（§5.5）：
trace/memory允许 @test；static仅允许 @idk。@test 无 source 或 static → INVALID - staleness（§5.3）：@idk 超 90 天且函数已修改 → 升级为 WARNING
- 健康状态（§5.4）：
healthy/unverified/degrading/stale_unknown/skeleton/uncompilable - 三语言等价（§13）：Python 装饰器 / TypeScript JSDoc 注释 / C++ 行注释
// @anchor.*，验证载体可不同（test_fn / assert / probe binary）
输出
一份语义澄清：回答当前任务涉及的 anchor 语义问题。不写代码、不跑命令。
约束
- 写 anchor 用
anchor.write；验证用anchor.test；本 skill 只回答「是什么」。
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.
- 4d ago Changed adcb6473e50e
- 8d ago First seen · 33 lines · 43 tokens per session scan A 1e1e05f394f4
anchor-concepts is a skill published in the GitHub repository unknowbug/anchorlaw (5 stars, last pushed 7d ago), licensed MIT. It adds 43 tokens to every session and 484 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 89% identical to anchor.concepts, differing in 3 lines, and is treated as a copy.
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