Agent Skills
Engineer at Anthropic (Claude Code); creator of agent-skills
Skills, plugins & mods · Cursor & IDE agents
Community · 587 people & channels
People
Who is building harnesses, writing about them and teaching them: people at the companies and projects in the directory, independent voices, and creators. Each profile links to their public work and to their videos.
Everyone here is listed for their public work; listing is not an endorsement. To correct a profile or be removed, request a correction or removal. Profile pictures load from GitHub and unavatar.io, which see your IP address.
All people
587 people & channels
Builders at harness companies
302Founders, engineers and researchers at the companies and open-source projects in the directory.
Founder · OpenClaw
Creator of OpenClaw
OpenClaw, Hermes & personal agents · Claude Code · Codex & OpenAI agents
Engineer · Codex
Codex, OpenAI
Codex & OpenAI agents
Engineer · Claude Code
Creator & Head of Claude Code, Anthropic
Claude Code · Skills, plugins & mods
Replit
Co-founder & CEO
Harness engineering
Engineer · Anomaly
Core builder, opencode
Open harnesses
Earendil Works
Co-founder
OpenClaw, Hermes & personal agents
Cursor
Co-founder & CEO
Cursor & IDE agents
LangChain
Co-founder & CEO
Evals & benchmarks · Claude Code
Researcher · Nous Research
Co-founder & Head of Post-Training
OpenClaw, Hermes & personal agents
Engineer · Earendil Works
Creator of Pi
OpenClaw, Hermes & personal agents
Cognition
Co-founder & CEO
Cursor & IDE agents
Modal
Co-founder & CEO
Security & sandboxes
Executive · Claude Code
Product Lead, Claude Code, Anthropic
Claude Code
HumanLayer
Founder & CEO
Context engineering & memory
Researcher · OpenHands
Co-founder & Chief Scientist, All Hands AI
Evals & benchmarks
Entire
Founder & CEO
Harness engineering
Browser Use
Co-founder
Harness engineering
Cursor
Co-founder
Cursor & IDE agents
Anomaly
Co-founder & CEO
Open harnesses
CrewAI
Founder & CEO
Multi-agent orchestration
Pydantic
Founder & CEO
Evals & benchmarks
Raindrop
Co-founder & CTO
Evals & benchmarks · Open harnesses
Executive · Codex
Codex, OpenAI
Codex & OpenAI agents
Browserbase
Founder & CEO
Harness engineering
Agno
Founder & CEO
Multi-agent orchestration
Conductor
Co-founder & CEO
Claude Code · Codex & OpenAI agents · Multi-agent orchestration
Engineer · OpenClaw
Chief Architect
OpenClaw, Hermes & personal agents
Executive · Replit
President / Head of AI
Harness engineering
Engineer · Cline
Cline core contributor
Open harnesses · Context engineering & memory
Independent voices
144Writers, researchers and engineers whose public work shapes how people think about harnesses.
Writer · 542K subscribers
Author, The Pragmatic Engineer
Codex & OpenAI agents · Open harnesses · Talks & interviews
Founder
CEO
Codex & OpenAI agents · Launches & announcements
Researcher · 1.74M subscribers
Founder, Eureka Labs
Multi-agent orchestration · Codex & OpenAI agents
8.67K subscribers
Creator of Datasette; independent writer
Security & sandboxes · Tutorials & getting started · Codex & OpenAI agents
President and co-founder
Codex & OpenAI agents · Multi-agent orchestration · Open harnesses
Founder
CEO
Security & sandboxes · Open harnesses
Engineer
Founder, Ghostty; co-founder of HashiCorp
Harness engineering
Writer
Posts about agent harnesses on X
Open harnesses · Claude Code
Writer
Professor at Wharton; author of One Useful Thing
Claude Code
Writer
Editor, Latent Space; founder, smol.ai
Claude Code · Talks & interviews
Writer
Posts about agent harnesses on X
Open harnesses · Skills, plugins & mods
Investor / builder
OpenClaw, Hermes & personal agents
Engineer
Formerly Claude Code at Anthropic
Claude Code
Writer
Founder, Unsupervised Learning
Security & sandboxes
Executive
Anthropic Labs (former CPO)
Skills, plugins & mods · Claude Code
Researcher
Founder, DAIR.AI
Claude Code
Engineer
Creator of Instructor; OpenAI (formerly AI consultant)
Context engineering & memory
AI developer relations, Google DeepMind
Harness engineering
Executive
Lead, Google AI Studio and Gemini API
Open harnesses · Launches & announcements
Writer
Evals & benchmarks
Developer relations
Developer educator
Cursor & IDE agents · Skills, plugins & mods · Tips & workflows
Researcher
Independent AI consultant; evals educator
Evals & benchmarks · Skills, plugins & mods
AI writer and translator
Harness engineering
Writer
Posts about agent harnesses on X
Open harnesses · Cursor & IDE agents
Engineer at Antithesis; creator of the "Ralph loop"
Harness engineering
Writer
Posts about agent harnesses on X
Open harnesses · Multi-agent orchestration
Founder
Claude Code
Engineer
Creator of Bun, now at Anthropic
MCP & tools · Claude Code
Engineer
AI product creator
Claude Code · OpenClaw, Hermes & personal agents
Writer
Posts about agent harnesses on X
Open harnesses · Cost & limits
Creators
141YouTube and Bilibili channels, podcasts and official channels that teach and demo harness work.
GitHub Copilot · 702K subscribers
Official YouTube channel
Cursor & IDE agents · Talks & interviews · Tutorials & getting started
Matt Pocock Skills · 426K subscribers
Creator, AI Hero
Skills, plugins & mods · Talks & interviews
899K subscribers
Conference channel on YouTube
Talks & interviews · Evals & benchmarks · Security & sandboxes
LangChain · 209K subscribers
Official YouTube channel
Context engineering & memory · Evals & benchmarks
Warp · 114K subscribers
Official YouTube channel
Cursor & IDE agents · Multi-agent orchestration · Cost & limits
153K subscribers
Creator on YouTube
Claude Code · Multi-agent orchestration · Open harnesses
235K subscribers
Creator on YouTube
MCP & tools · Multi-agent orchestration · Claude Code
574K subscribers
Creator on YouTube
Skills, plugins & mods · Evals & benchmarks · Cost & limits
2.1M subscribers
Official YouTube channel
Codex & OpenAI agents · Talks & interviews
1.04M subscribers
Official YouTube channel
Cursor & IDE agents · Comparisons & reviews · Evals & benchmarks
828K subscribers
Official YouTube channel
Claude Code · Tutorials & getting started · Talks & interviews
230K subscribers
Creator on YouTube
Claude Code · Multi-agent orchestration · Context engineering & memory
Cursor · 81.6K subscribers
Official YouTube channel
Cursor & IDE agents · Talks & interviews · Multi-agent orchestration
10M subscribers
Creator on YouTube
Harness engineering
4.32M subscribers
Creator on YouTube
Security & sandboxes · Comparisons & reviews
2.68M subscribers
Official YouTube channel
Cursor & IDE agents · Open harnesses
2.42M subscribers
Creator on YouTube
Claude Code · Skills, plugins & mods · Tutorials & getting started
5.45M subscribers
Creator on YouTube
Multi-agent orchestration
421K subscribers
Creator on YouTube
Open harnesses · Security & sandboxes · Talks & interviews
5,039,368 fans
Creator on Bilibili
Claude Code · Cursor & IDE agents · Tutorials & getting started
938K subscribers
Official YouTube channel
Talks & interviews
700K subscribers
Official YouTube channel
Cursor & IDE agents · Multi-agent orchestration · Context engineering & memory
Vercel Sandbox · 116K subscribers
Official YouTube channel
Tutorials & getting started · Talks & interviews
50.8K subscribers
Creator on YouTube
Claude Code · Codex & OpenAI agents · Multi-agent orchestration
1.17M subscribers
Creator on YouTube
Claude Code · Open harnesses · Security & sandboxes
Channel · 371K subscribers
Podcast on YouTube
Talks & interviews · Codex & OpenAI agents · Comparisons & reviews
175K subscribers
Creator on YouTube
Claude Code · Skills, plugins & mods
Replit · 129K subscribers
Official YouTube channel
Cursor & IDE agents · Tutorials & getting started
71.3K subscribers
Creator on YouTube
Multi-agent orchestration · Claude Code · OpenClaw, Hermes & personal agents
Cognition · 30.5K subscribers
Official YouTube channel
Cursor & IDE agents · Multi-agent orchestration · Context engineering & memory