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claude-hud

A status line for Claude Code that shows context usage, tools, agents, to-dos and more. Highly configurable, and maintained when it was listed.

gibsonai-memori

Memori is agent-native memory infrastructure. A LLM-agnostic layer that turns agent execution and conversation into structured, persistent state for production systems. Built for enterprise, Memori works with the data infrastructure you already run, no rip-and-replace, and deploys across managed cloud, single-tenant cloud, VPC, and on-premises.

Contributed by Sentinel

comet-opik

Opik by Comet is an open-source LLM evaluation and tracing platform: log traces, run automated evals, create datasets, and track prompt improvements over time.

opentelemetry-genai

OpenTelemetry semantic conventions and instrumentation for GenAI/LLM spans, traces, and metrics via the GenAI semconv working group.

hardikpandya-stop-slop

A skill file for removing AI tells from prose

Contributed by Sentinel

semantica-agi-semantica

Use when an agent's stored context needs provenance — you must be able to say where a remembered fact came from.

nevamind-ai-memu

Use when one person's memory should follow them across several different agents.

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.

evermind-ai-everos

Use when you want the agent's memory to be plain Markdown on your own disk rather than a hosted database.

memtensor-memos

Use when memory should persist across tasks and be reused, not just retrieved once per conversation.

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.

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

openllmetry

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

plastic-labs-honcho

Memory library for building stateful agents

Contributed by Sentinel

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.

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.

getzep-zep

Examples, framework integrations and tools for Zep Cloud, Zep's hosted agent memory service; the repository says it is not the product itself. The open-source knowledge-graph engine behind Zep is Graphiti (getzep-graphiti).

Contributed by Sentinel

caviraoss-openmemory

Local persistent memory store for LLM applications including claude desktop, github copilot, codex, antigravity, etc.

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.