The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Coding hub
Coding Agents
A hub for AI coding agents, IDE copilots, terminal agents, and repository automation workflows with rollout and review guidance.
Built for: Engineering leads, platform teams, and AI-enabled developers
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Ranked entries
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Verified repos
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Decision pages
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Top score
Which tasks produce accepted diffs instead of only more generated code?
Can the agent work inside branch protection, review, and test requirements?
Where should command permissions and repository write access be limited?
Ranking
Shortlist the leading entries.
These entries come from the current SkillRank dataset. Scores help discovery; final decisions should use your own workflow tests.
Daily signals
What today's briefing says about this category.
Signals are generated from recorded snapshots and verified source metadata. They keep the hub connected to the daily crawler.
Claude Code
Claude Code remained stable across recorded snapshots this week.
Cursor
Cursor remained stable across recorded snapshots this week.
GitHub Copilot Chat & agent
GitHub Copilot Chat & agent remained stable across recorded snapshots this week.
OpenAI Codex (current)
OpenAI Codex (current) remained stable across recorded snapshots this week.
Windsurf
Windsurf remained stable across recorded snapshots this week.
claw-code
ultraworkers/claw-code is verified on GitHub with 193,525 stars, 109,955 forks, and last push date 2026-06-08.
Verified repositories
Repository-backed projects to inspect.
GitHub metadata is useful for discovery, but production fit still depends on license, docs, security posture, and local maintainability.
The agent that grows with you
FULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app, Perplexity, Poke, Qoder, Replit, Same.dev, Trae, Traycer AI, VSCode Agent, Warp.dev, Windsurf, Xcode, Z.ai Code, Dia & v0. (And other Open Sourced) System Prompts, Internal Tools & AI Models
Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands.
Use Garry Tan's exact Claude Code setup: 23 opinionated tools that serve as CEO, Designer, Eng Manager, Release Manager, Doc Engineer, and QA
A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Gemini CLI & Hermes Agent. Only official website: ccswitch.io
Guides
Read the operating playbooks.
AI Model Selection Framework for Product Teams
A practical framework for choosing chat, reasoning, multimodal, coding, and retrieval models without relying on launch hype.
Coding Agent Rollout Playbook
How to introduce Claude Code, Cursor, Codex-style agents, Copilot, and open-source coding repos without weakening engineering review.
RAG Evaluation Checklist
A grounded checklist for choosing embedding models, retrieval pipelines, rerankers, and document-agent workflows.
AI Agent Security Review Checklist
A security review guide for AI agents that can read files, call tools, browse, write code, or automate workflows.
Open-Source AI Agent Frameworks: Evaluation Guide
How to evaluate open-source agent frameworks, orchestration libraries, workflow builders, and repository-backed AI tools.
AI Procurement and Compliance Checklist
A buyer-friendly checklist for reviewing AI vendors, model providers, agent tools, data handling, contracts, and deployment risk.
Compare
Turn options into a decision.
GPT-5.5 vs Claude Opus for Professional Work
A practical comparison of GPT-5.5 and Claude Opus for research, coding, long documents, agentic workflows, and enterprise evaluation.
Claude Code vs Cursor
Compare Claude Code and Cursor for repository work, IDE assistance, refactoring, code review, team rollout, and daily engineering workflows.
Open-Source Agent Frameworks Compared
Compare n8n, AutoGen, CrewAI, Flowise, LlamaIndex, and other open-source agent frameworks by workflow fit and operational risk.
Source boundaries