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claude-code-system-prompts

All parts of Claude Code's system prompt, including builtin tool descriptions, sub agent prompts (Plan/Explore/Task), utility prompts (CLAUDE.md, compact, Bash cmd, security review, agent creation, etc.). Updated for each Claude Code version.

nidhinjs-prompt-master

A Claude skill that writes the accurate prompts for any AI tool. Zero tokens or credits wasted. Full context and memory retention

Contributed by Sentinel

portkey-ai-gateway

Open-source AI gateway providing a unified API across 100+ LLM providers with built-in observability, request logging, fallbacks, caching, and load balancing.

pocketflow

Pocket Flow: 100-line LLM framework that lets agents build agents

fullstack-dev-skills

A Claude Code plugin with 65 skills for full-stack development across many frameworks, 9 workflow commands for Jira and Confluence, and a /common-ground command that lists Claude's assumptions about your project.

claude-code-infrastructure-showcase

An approach to working with Skills that uses hooks to make Claude select and activate the right Skill for the current context. Documented, and adaptable to other projects and workflows.

ccstatusline

A highly customizable status line formatter for Claude Code CLI that displays model info, git branch, token usage, and other metrics in your terminal.

agricidaniel-claude-ads

Claude-first paid-media operations skill for Claude Code across 12 ad platforms (Google, Meta, YouTube, LinkedIn, TikTok, Microsoft, Apple, Amazon, Reddit, Pinterest, Snapchat, X): source-grounded audits, deterministic scoring, versioned JSON reports, and capability-gated account changes.

Contributed by Sentinel

harness

A meta-skill that designs domain-specific agent teams, defines specialized agents, and generates the skills they use. Resources are in Korean but can produce high-quality English-language output.

claude-code-tips

35+ short Claude Code tips covering voice input, system prompt patching, container workflows for risky tasks, conversation cloning, multi-model orchestration with Gemini CLI and more, with demos, working scripts and a plugin.

openllmetry

OpenTelemetry-based observability for LLM applications. It auto-instruments OpenAI, Anthropic, LangChain, and 20+ providers with zero code changes.

ralph-for-claude-code

An autonomous AI development framework that enables Claude Code to work iteratively on projects until completion. Features intelligent exit detection, rate limiting, circuit breaker patterns, and comprehensive safety guardrails to prevent infinite loops and API overuse. Built with Bash, integrated with tmux for live monitoring, and includes 75+ comprehensive tests.

claude-code-pm

A project-management workflow for Claude Code with specialised agents, slash commands and documentation.

plannotator

Interactive plan review UI that intercepts ExitPlanMode via hooks, letting users visually annotate plans with comments, deletions, and replacements before approving or denying with detailed feedback.

trail-of-bits-security-skills

A very professional collection of over a dozen security-focused skills for code auditing and vulnerability detection. Includes skills for static analysis with CodeQL and Semgrep, variant analysis across codebases, fix verification, and differential code review.

claude-code-ultimate-guide

A guide to Claude Code from beginner to power user, with templates for its features, guides on agentic workflows, quizzes and a cheatsheet. Check that it is current before relying on it.

helicone

Open-source LLM observability platform: proxy-based logging, cost tracking, caching, and rate limiting for OpenAI-compatible APIs.

grafana-tempo

Grafana Tempo is a cost-efficient distributed tracing backend (OpenTelemetry-native) that pairs with Loki for logs and Prometheus for metrics in LLM stacks.

codebase-to-course

A Claude Code skill that turns any codebase into an interactive single-page HTML course for non-technical readers.

learn-agentic-ai

Learn Agentic AI using Dapr Agentic Cloud Ascent (DACA) Design Pattern: OpenAI Agents SDK, Memory, MCP, A2A, Knowledge Graphs, Rancher Desktop, and Kubernetes

ysymyth-react

[ICLR 2023] ReAct: Synergizing Reasoning and Acting in Language Models

Contributed by Sentinel

pydantic-logfire

Logfire by Pydantic: OpenTelemetry-based structured logging and tracing for Python applications with built-in support for FastAPI, SQLAlchemy, and Anthropic.

langwatch

LangWatch provides real-time LLM analytics, guardrails, and evaluation pipelines with a visual studio for monitoring multi-step agent conversations.

noahshinn-reflexion

[NeurIPS 2023] Reflexion: Language Agents with Verbal Reinforcement Learning

Contributed by Sentinel