claude-code-changelog

Name: claude-code-changelog
Author: marckrenn

by marckrenn

Verified

Tracking prompts, feature flags and metadata of Claude Code releases. Subscribe to ↓

819stars

69forks

Added 2/21/2026

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AI Agentsai-agentsanthropicanthropic-claudeclaude-codeclaude-code-system-prompts

Installation

# Add to your Claude Code skills
git clone https://github.com/marckrenn/claude-code-changelog

Getting Started

Guides for using ai agents skills like claude-code-changelog.

Caveman: Cut Claude Token Use by 65%
How agent-side prompt compression works, when to use it, and when not to.
What is an AI Skills Marketplace?
Definitions, how marketplaces work, and how to choose between them in 2026.
Getting Started with AI Skills

Security ReportVerified

Last scanned: 5/6/2026

{
  "issues": [],
  "status": "PASSED",
  "scannedAt": "2026-05-06T06:30:14.466Z",
  "semgrepRan": false,
  "npmAuditRan": true,
  "pipAuditRan": true
}

README.md

Agentic AI for Beginners

Build your first AI agent from scratch - tool use, ReAct pattern, memory, deployment

41 minBeginner

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Related Skills

ECC

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The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

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Claude Code Changelog

[!NOTE] This archive takes some time and money (server, tokens) to run.

I’d appreciate any support – a free follow on X or chipping in a few bucks.

Unofficial, community-maintained tracking of Claude Code prompt and feature-flag evolution across releases.

What's Tracked

cc-prompt.md – legacy compatibility file per tag
cc-flags.md – legacy compatibility file per tag
system-prompts/*.md – extracted prompt artifacts grouped by category (see indeces)
meta/flags.md, meta/metadata.md, meta/cli-surface.md, meta/prompt-stats.md – derived metadata
annotated tags (vX.Y.Z) and GitHub releases for historical navigation

How to Read This Repository

Pick two tags and open compare view:
- https://github.com/marckrenn/claude-code-changelog/compare/v2.1.44...v2.1.45#files_bucket
Use system-prompts/ for per-file prompt artifacts.
Use meta/ for structured summaries and aggregate metrics.
Use Init / Last edit columns as lifecycle hints for each prompt artifact.
For deep full-history research, point a coding agent at this repo directly. GitHub Copilot on github.com is currently limited for broad historical search/analysis.

Data Quality & Interpretation Notes

Token totals and per-file counts are estimates.
Tokenization can vary by model/tokenizer/runtime; small differences are expected.
Aggregate totals are useful directional signals.
Estimated LOC is derived from a prettified bundle line count and is only an approximation.
Prompt files can contain near-duplicates or intentionally duplicated variants.
File names can change across versions (renames/splits/merges), even when content lineage continues.
A single conceptual prompt can appear under multiple files in some releases.
Compare statistical deltas with raw diffs before drawing strong conclusions.

What Powers @ClaudeCodeLog

This repo is the backbone of the @ClaudeCodeLog X account, which automatically:

Detects new Claude Code releases
Extracts prompts and feature flags
Generates structured diff summaries
Publishes threaded updates with focused diff links and screenshots

Credits & Inspiration

Piebald-AI/claude-code-system-prompts – inspiration for full prompt tracking
cchistory – prompt extraction foundation
How cchistory works – technical deep-dive
Claude Code Documentation
Claude Code on npm