Borrowing it
Nothing to install: this file belongs to cblecker/claude-plugins. 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/cblecker/claude-plugins/main/CLAUDE.mdgit clone --depth 1 https://github.com/cblecker/claude-pluginsWrote 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/instructions/cblecker/claude-plugins/claude-md)<a href="https://agentmods.dev/instructions/cblecker/claude-plugins/claude-md"><img src="https://agentmods.dev/badge/instructions/cblecker/claude-plugins/claude-md/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/instructions/cblecker/claude-plugins/claude-md"><img src="https://agentmods.dev/badge/instructions/cblecker/claude-plugins/claude-md.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 | $0.00893 | $0.00893 |
| Opus 5.5 | $0.00357 | $0.00357 |
| Sonnet 5.5 | $0.00179 | $0.00179 |
| Haiku 4.5 | $0.00089 | $0.00089 |
Grade A, and why
claude-plugins CLAUDE.md 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 25d 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 — 76 lines — stays where its author put it; the contents beside it link to each section on GitHub.
CLAUDE.md
Personal Claude Code plugin marketplace
Architecture
.
├── .claude-plugin/
│ └── marketplace.json # Marketplace manifest (lists all plugins)
├── git/ # Custom plugin: git workflows & safety
├── github/ # MCP wrapper: GitHub tools, PR triage skill
├── golang/ # Custom plugin: gopls MCP/LSP, gofmt hook
├── gws/ # Vendored upstream skills: Google Workspace CLI
├── plan-review/ # Custom plugin: plan-file pre-flight review
├── pr-review-toolkit/ # Custom plugin: PR review workflow
├── rh-dataverse/ # MCP wrapper: Red Hat Dataverse, Rover people skill
├── sandbox-ssh-fix/ # Custom plugin: macOS sandbox git-over-SSH workaround
└── CLAUDE.md
Each plugin directory contains .claude-plugin/plugin.json and its own components
(skills, hooks, agents, MCP configs). Plugins are at the repository root in a flat
structure.
Commands
| Command | Purpose |
|---|---|
claude plugin validate . |
Validate marketplace |
claude plugin validate ./<plugin-name> |
Validate specific plugin |
npx markdownlint-cli2 --config ${CLAUDE_PROJECT_DIR}/.markdownlint-cli2.jsonc "**/*.md" |
Lint markdown files |
uvx skillsaw --strict |
Lint plugin |
Adding a Plugin
-
Create plugin directory at repository root using
/plugin-dev:create-plugin -
Add entry to
.claude-plugin/marketplace.json:{"name": "plugin-name", "source": "./plugin-name", "strict": true} -
Update
README.mdAvailable Plugins table -
Validate:
claude plugin validate .andclaude plugin validate ./<plugin-name>
Conventions
- Use kebab-case for all names
- Use
${CLAUDE_PLUGIN_ROOT}for portable paths in hooks/MCP configs - When editing plugin files (other than README.md or CLAUDE.md), bump the version in
that plugin's
.claude-plugin/plugin.jsonfollowing semver:- patch: bug fixes, typo corrections, minor wording changes
- minor: new skills, commands, hooks, agents, or backward-compatible behavior changes
- major: breaking changes (renamed/removed skills, changed hook behavior, restructured plugin)
- Only bump once per PR branch. Before bumping, check
git diff main -- <plugin>/.claude-plugin/plugin.jsonto see if the version was already bumped. Skip if it was, unless the accumulated changes now warrant a higher semver level (e.g., patch already bumped but a new skill was added — upgrade to minor) - Use plugin-dev skills:
/plugin-dev:create-plugin,/plugin-dev:skill-reviewer,/plugin-dev:plugin-validator .skillsaw.yamlpinsversionto the skillsaw release the lint workflows run. Rules newer than that version are silently skipped, so when Dependabot bumps thestbenjam/skillsawactions, bumpversionto match and re-runuvx skillsaw --strict. Deliberate!`command`preflight lines in skills must be added verbatim to thesecurity-dynamic-contextallowlist- CodeRabbit auto-review is disabled (
reviews.auto_review.enabled: falsein.coderabbit.yaml). Reviews are rate-limited, so request one manually with an@coderabbitai reviewcomment only when the branch is ready — not after every push - When addressing automated review feedback on a PR (Copilot, CodeRabbit): wait until every reviewer has finished reviewing the current head, then push fixes for all findings as a single commit — one push per review round, not one per reviewer
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.
- 25d ago Changed · +1 lines · +21 tokens per session 83a5b6d3c652
- 1mo ago Changed · +7 lines · +162 tokens per session 8b5608eeefd3
- 1mo ago First seen · 68 lines · 710 tokens per session scan A 01feb8433efe
claude-plugins CLAUDE.md is an instructions file published in the GitHub repository cblecker/claude-plugins (5 stars, last pushed 17d ago), licensed Apache-2.0. It adds 893 tokens to every session, about $0.0036 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 2026-08-31.
Other instructions, from other repositories
vscode buildNext.instructions.md
Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).
next.js AGENTS.md
AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.
vscode oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, cache eligibility and rollout and applying the notice (cutover).
langchain AGENTS.md
AGENTS.md instructions for langchain-ai/langchain, covering global development guidelines for the langchain monorepo, corridor security analysis, project architecture and context, monorepo structure and development tools & commands.
vscode copilot-instructions.md
Copilot instructions for microsoft/vscode, covering vs code copilot instructions, project overview, root folders, core architecture (src/ folder) and built-in extensions (extensions/ folder).
deepseek-harness AGENTS.md
AGENTS.md instructions for deepseek-ai/deepseek-harness, covering agents.md, pre-stable apis and released session data, repository layout, commands and host sandbox failures.