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The tools we build, the experiments behind them, and the stories we share.

Four-model playable experiment

Lunar Scream

Four models. One prompt. A very loud landing.

Four coding models build a scream-powered lunar lander in one shot. Play all four original games in your browser.

Opus 5.5Fable 5.1GPT-6 AstraGPT-6 Sol
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Skill & local reports

Geiger Gauge

Know what your AI tools can reach.

A skill for Claude Code and Codex that explains your AI tools' access, checks their sources, and turns the findings into a readable local report.

Claude CodeCodexOpen source
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Five-model build experiment

Yarn

Five takes on an agentic IDE.

Five frontier and open-weight models take on the same agentic IDE brief. See what each one built, where it succeeded, and where it fell apart.

GPT 6 AstraGPT 5.6 SolFable 5.1DeepSeek V4 ProGLM 5.3
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Project & documentation

TIDE

Terminal IDE

A terminal-native IDE with Claude, Codex, and Gemini built in. An exploration of AI-assisted development, with a full editor, language tools, Git, and an extensible service architecture.

TerminalAIDeveloper ToolsECP
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