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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

openllmetry

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

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.

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.

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.

ccometixline-claude-code-statusline

A high-performance Claude Code statusline tool written in Rust with Git integration, usage tracking, interactive TUI configuration, and Claude Code enhancement utilities.

openlit

OpenLIT is an OpenTelemetry-native LLM observability toolkit with GPU monitoring, cost tracking, and a prompt hub (one-line setup for 20+ providers).

laminar

Laminar is an open-source platform for tracing, evaluating, and labeling LLM and agent pipelines with a TypeScript/Python SDK and a self-hostable backend.

t-ches-claude-code-resources

A set of sub-agents, skills and commands with a focus on meta-tools, such as a skill auditor and hook creation, meant to be adapted to your workflow.

openinference

OpenInference is an open standard and Python/JS instrumentation library for capturing LLM and agent traces in OpenTelemetry format, built by Arize AI.

context-engineering-kit

Hand-crafted collection of advanced context engineering techniques and patterns with minimal token footprint focused on improving agent result quality.

langsmith

LangChain's platform for tracing, evaluating, and monitoring LLM applications: deep integration with LangChain/LangGraph plus a REST API for any stack.

codex-skill

Enables users to prompt codex from claude code. Unlike the raw codex mcp server, this skill infers parameters such as model, reasoning effort, sandboxing from your prompt or asks you to specify them. It also simplifies continuing prior codex sessions so that codex can continue with the prior context.

claude-codex-settings

A set of plugins for core developer tasks, covering GitHub, Azure, MongoDB, Tavily, Playwright and more. Also works with a few other providers.

agentsys

Workflow automation system for Claude with a group of useful plugins, agents, and skills. Automates task-to-production workflows, PR management, code cleanup, performance investigation, drift detection, and multi-agent code review. Includes agnix for linting agent configurations. Built on thousands of lines of code with thousands of tests. Uses deterministic detection (regex, AST) with LLM judgment for efficiency. Used on many production systems.

claude-powerline

A vim-style powerline statusline for Claude Code with real-time usage tracking, git integration, custom themes, and more

web-assets-generator-skill

Easily generate web assets from Claude Code including favicons, app icons (PWA), and social media meta images (Open Graph) for Facebook, Twitter, WhatsApp, and LinkedIn. Handles image resizing, text-to-image generation, emojis, and provides proper HTML meta tags.

superdesign-skill

The design skill for Claude Code, Cursor and any coding agent. Stop shipping AI-slop UI: turn it into shippable, tasteful frontend. Install: npx skills add superdesigndev/superdesign-skill. Powered by superdesign.dev

Contributed by Sentinel

claude-code-statusline

Enhanced 4-line statusline for Claude Code with themes, cost tracking, and MCP server monitoring

phospho

Phospho is a text analytics and evaluation platform for LLM apps. It logs sessions, runs clustering, detects failures, and surfaces actionable insights.

cc-devops-skills

Skills for DevOps work that generate and validate infrastructure-as-code with shell scripts and CLI tools, for most deployment platforms. Also useful as documentation.