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ccf: Instructions file for Claude Code

CLAUDE.md

ccf CLAUDE.md is an instructions file for Claude Code from naniiluja/ccf. It costs 2,888 tokens per session, scanned A, original, MIT.

Project instructions for CCF, a Claude Code plugin that makes the coding agent work from written plans and context in a strict order. The plugin consists of prompts, helper agents, hooks, templates, and distribution files rather than a running web application.

In plain words
What is it for?
Planning changes, maintaining the plugin specification, updating its commands and hooks, and preparing its marketplace package.
Why use it?
They explain the repository's structure and rules so changes follow the plugin's workflow and do not treat it like an ordinary app.

Instructions file for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: mentions .claude-plugin; mentions CLAUDE.md; mentions subagents.

This is naniiluja/ccf's own configuration. It tells Claude Code how to work on ccf itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything ccf configures →

Runs only inside a plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else, and the catalogue could not identify which plugin ships it.

not rated 9repo changed 2d ago A scan 2,888 tokens original MIT
View source ↗ naniiluja/ccf
Reuse

Borrowing it

Nothing to install: this file belongs to naniiluja/ccf. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/naniiluja/ccf/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/naniiluja/ccf

Made for: Claude Code.

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.

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README.md
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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.

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Per session 2,888 This file is loaded in full into every session.
When invoked 2,888 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.02888 $0.02888
Opus 5.5 $0.01155 $0.01155
Sonnet 5.5 $0.00578 $0.00578
Haiku 4.5 $0.00289 $0.00289

Measured 2d ago against content hash efa26d85312d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ccf 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 2d 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.

CLAUDE.md · 60 lines

How it starts

The opening of the file, as written. The whole thing — 60 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CCF — Claude Context First (plugin source)

Managed by CCF. This project IS the source code of the CCF plugin — not an app with a DB/API/frontend. Parallel by waves: tasks code proves independent run at once, each in its own isolated worktree; everything else waits. Ground every decision about Claude Code's schema/contract in the official docs (via Context7) before writing. Keep this spec always fresh with /ccf:updatespec.

What this is

CCF is a Claude Code plugin that imposes a context-first, spec-driven, wave-parallel workflow. It has NO application runtime (no server, DB, API, UI). The entire "product" is the artifacts Claude Code loads: commands (markdown prompts), agents/subagents (markdown), hooks (.mjs scripts run by node), templates for /ccf:init to instantiate, plus distribution manifests. Users install via a marketplace, then run /ccf:* (e.g. /ccf:plan).

Repo layout

  • git init at the root (D:/projects/ccf). The root holds CLAUDE.md, .claude/, package.json, tsconfig.json, bin/, README.md, LICENSE, .claude-plugin/marketplace.json.
  • plugins/ccf/ — the plugin itself. .claude-plugin/plugin.json is the manifest (ONLY the manifest goes in .claude-plugin/); the component directories live at the plugin root:
    • commands/*.md — 4 slash commands (init, check, updatespec, cook; invoked via the plugin namespace, e.g. /ccf:check).
    • agents/*.md — 6 subagents, ALL read-only (ccf-codebase-analyzer, ccf-best-practice-researcher, ccf-spec-writer, ccf-spec-checker, ccf-scope-checker, ccf-finding-refuter). The only writers are /ccf:cook's built-in general-purpose task agents, each in an isolation: "worktree" checkout.
    • skills/*/SKILL.md — 2 skills: plan (user-facing workflow, typed as /ccf:plan, the 5th slash command by name) and internal grill-me, the shared interview engine (user-invocable: false; hidden from the / menu).
    • hooks/*.mjs + hooks/hooks.json + hooks/lib/ — 7 hooks (plan-mode-guard, plan-skill-inject, session-start, updatespec-nudge, auto-verify, completion-evidence, explore-guide-inject) sharing lib/io.mjs and the pure helpers in hooks/lib/ (list the directory; an enumeration here drifted).
    • scripts/*.mjs — 13 CLIs (no event invokes them): plan-lint.mjs (read-only; finds the shared-file edits that serialise waves), jev-slice-check.mjs, jev-backtest.mjs, jev-verify-findings.mjs, plan-waves.mjs, worktree-preflight.mjs, scope-diff.mjs (files outside Files to touch), integrate-wave.mjs, archive-plan.mjs, prune-archive.mjs, memory-audit.mjs, spec-budget.mjs and eval-changelog.mjs.
    • templates/{root,backend,frontend}/** — *.tmpl files with {{...}} placeholders for /ccf:init to instantiate.
    • .mcp.json — bundles 2 remote MCP servers (microsoft-learn, context7).
  • bin/ccf-bootstrap.mjs — the npx entry; only shells out to the claude plugin CLI, writes no files itself.

Read the full file on GitHub · 60 lines

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. 2d ago Changed · -1 lines · +88 tokens per session efa26d85312d
  2. 14d ago Changed · -316 tokens per session ce7edd5563da
  3. 16d ago Changed · +1 lines · -141 tokens per session 57c895ddfdec
  4. 19d ago Changed · -24 tokens per session cac19ee648f0
  5. 20d ago Changed · +66 tokens per session e226b43da36c
  6. 21d ago Changed · +47 tokens per session f0b75779abac
  7. 22d ago Changed · +238 tokens per session 7d736ba11c52
  8. 1mo ago Changed · +2 lines · +238 tokens per session ff9b80957e50
  9. 1mo ago First seen · 58 lines · 2,692 tokens per session scan A 5c2639f31e99

Subscribe to this mod's changes

ccf CLAUDE.md is an instructions file published in the GitHub repository naniiluja/ccf (9 stars, last pushed 2d ago), licensed MIT. It adds 2,888 tokens to every session, about $0.0116 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.

Building agentsClaude Codeagentic-engineeringai-workflowanthropicclaudeclaude-code-plugin
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