blueprint-claude-md

blueprint-claude-md is a skill for Claude Code from laurigates/claude-plugins. It costs 47 tokens per session (1,922 once invoked), scanned A, original, MIT.

A project-instructions tool that creates or updates CLAUDE.md from Blueprint documents and the codebase. CLAUDE.md is a shared file containing instructions that Claude Code reads when working on a project.

In plain words
What is it for?
Use it to set up or maintain shared Claude Code instructions, add references to Blueprint files, or create personal CLAUDE.local.md guidance.
Why use it?
It keeps team-wide commands, standards, architecture decisions, and required conventions in a place the coding agent can load automatically. It can also organize existing instructions as imports.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: reads .claude/ paths; mentions CLAUDE.md; names the AskUserQuestion tool.

Part of the blueprint-plugin plugin — 35 skills shipped together

Good fit Use it to set up or maintain shared Claude Code instructions, add references to Blueprint files, or create personal CLAUDE.local.md guidance.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/laurigates/claude-plugins/blueprint-claude-md
Install

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.

Any agent
npx skills add laurigates/claude-plugins --skill blueprint-claude-md
Clone the repo
git clone --depth 1 https://github.com/laurigates/claude-plugins

Made for: Claude Code.

Or install blueprint-plugin, the plugin that ships this one along with the rest of its 35 skills.

Wrote 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.

agentmods badge for blueprint-claude-md

README.md
[![agentmods](https://agentmods.dev/badge/skills/laurigates/claude-plugins/blueprint-claude-md/github.svg)](https://agentmods.dev/skills/laurigates/claude-plugins/blueprint-claude-md)
Your own site
<a href="https://agentmods.dev/skills/laurigates/claude-plugins/blueprint-claude-md"><img src="https://agentmods.dev/badge/skills/laurigates/claude-plugins/blueprint-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.

agentmods 80×15 button for blueprint-claude-md

Your own site · 80×15
<a href="https://agentmods.dev/skills/laurigates/claude-plugins/blueprint-claude-md"><img src="https://agentmods.dev/badge/skills/laurigates/claude-plugins/blueprint-claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,922 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00047 $0.01922
Opus 5.5 $0.00019 $0.00769
Sonnet 5.5 $0.00009 $0.00384
Haiku 4.5 $0.00005 $0.00192

Measured 22d ago against content hash 2d62c2050050, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

blueprint-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 22d 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.

blueprint-plugin/skills/blueprint-claude-md/SKILL.md · 203 lines

How it starts

The opening of the file, as written. The whole thing — 203 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Generate or update the project's CLAUDE.md file based on blueprint artifacts, PRDs, and project structure.

Branch-specific detail lives in references/, split by the path that needs it — an invocation opens only the file for the branch it takes.

When to Use This Skill

Use this skill when... Use alternative when...
Need to create/update CLAUDE.md for team instructions Use /blueprint:rules for path-specific rules
Want to add @imports to existing CLAUDE.md Use /blueprint:generate-rules to create rules from PRDs
Need to create CLAUDE.local.md for personal preferences Editing individual rule files directly
Converting inline content to lean @import structure Just need to view current memory configuration

CLAUDE.md vs Auto Memory

Claude Code has two complementary systems for project context. CLAUDE.md should contain team-shared instructions — not patterns Claude learns on its own.

Belongs in CLAUDE.md Belongs in Auto Memory (managed by Claude)
Team coding standards Debugging insights and workarounds
Build/test/lint commands Personal workflow preferences
Architecture decisions Project-specific patterns learned over time
Required conventions File relationships and navigation shortcuts
CI/CD workflows Common mistakes and how to fix them

Auto memory lives at ~/.claude/projects/<project>/memory/ and is managed automatically. Do not duplicate auto memory concerns into CLAUDE.md.

Memory Hierarchy (precedence low → high)

  1. User-level rules: ~/.claude/rules/ — personal rules across all projects
  2. CLAUDE.md (project): Team-shared project instructions (checked into git)
  3. CLAUDE.local.md: Personal project-specific preferences (gitignored)
  4. .claude/rules/: Modular, path-specific rules
  5. Managed policy: Organization-wide instructions (enterprise, system paths)
  6. Auto memory: Claude's own notes (~/.claude/projects/<project>/memory/)

Read the full file on GitHub · 203 lines

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

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.

  1. 22d ago Changed · -115 lines · +7 tokens per session 2d62c2050050
  2. 1mo ago First seen · 318 lines · 40 tokens per session scan A b2808faa5127

Subscribe to this mod's changes

blueprint-claude-md is a skill published in the GitHub repository laurigates/claude-plugins (60 stars, last pushed yesterday), licensed MIT. It adds 47 tokens to every session and 1,922 once invoked, about $0.0002 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 2026-09-03.

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