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.
/plugin marketplace add jimmc414/claude-code-plugin-marketplacenpx agentmods add plugins/jimmc414/claude-code-plugin-marketplace/norvig-patternsgit clone --depth 1 https://github.com/jimmc414/claude-code-plugin-marketplaceWrote 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/plugins/jimmc414/claude-code-plugin-marketplace/norvig-patterns)<a href="https://agentmods.dev/plugins/jimmc414/claude-code-plugin-marketplace/norvig-patterns"><img src="https://agentmods.dev/badge/plugins/jimmc414/claude-code-plugin-marketplace/norvig-patterns.svg" alt="Measured on agentmods" height="20"></a>Grade A, and why
norvig-patterns 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 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.
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.
What it actually says
{
"name": "norvig-patterns",
"description": "54 elegant coding patterns derived from Peter Norvig's pytudes. Guides Claude to write cleaner, more Pythonic code using proven patterns for algorithms, data structures, testing, and code structure.",
"version": "1.0.0",
"author": {
"name": "jimmc414",
"attribution": "Patterns derived from Peter Norvig's pytudes (https://github.com/norvig/pytudes)"
},
"license": "MIT",
"keywords": [
"python",
"patterns",
"algorithms",
"best-practices",
"norvig",
"pytudes",
"coding-style",
"clean-code",
"data-structures",
"testing",
"refactoring"
]
}
What it installs
The manifest is a name and a version. 33 skills travel with it, and installing the plugin installs all of them — 904 tokens a session between them. Each is measured on its own page, and each can be installed alone.
- Skill match-stable-pairs A 32 tokens
- Skill propagate-then-search A 27 tokens
- Skill benchmark-before-optimize A 25 tokens
- Skill build-expression-tree A 24 tokens
- Skill build-priority-queue A 32 tokens
- Skill cache-recursive-calls A 28 tokens
- Skill cascade-type-conversion A 24 tokens
- Skill catch-expected-errors A 24 tokens
- Skill compile-once-call-many A 31 tokens
- Skill compose-small-helpers A 26 tokens
- Skill count-combinations A 29 tokens
- Skill dispatch-on-structure A 25 tokens
- Skill find-convex-hull A 31 tokens
- Skill find-shortest-path A 37 tokens
- Skill format-statistics-table A 23 tokens
- Skill frontier-based-explore A 25 tokens
- Skill generate-tree-structure A 30 tokens
- Skill handle-edge-cases A 27 tokens
- Skill intern-symbols-identity A 33 tokens
- Skill iterate-with-itertools A 25 tokens
- Skill optimize-local-search A 31 tokens
- Skill overload-operators-dsl A 27 tokens
- Skill parse-extract-input A 26 tokens
- Skill pass-function-as-arg A 27 tokens
- Skill precompute-relationships A 28 tokens
- Skill refactor-decompose-function A 28 tokens
- Skill return-none-for-failure A 26 tokens
- Skill show-side-by-side A 25 tokens
- Skill apply-decorator-wrap A 26 tokens
- Skill capture-state-closure A 27 tokens
- Skill define-domain-types A 26 tokens
- Skill display-grid-state A 25 tokens
- Skill fallback-compatibility A 24 tokens
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 First seen · 24 lines scan A 4bd1d872f483
norvig-patterns is a plugin published in the GitHub repository jimmc414/claude-code-plugin-marketplace (4 stars, last pushed 4d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. 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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