Demos · shipped in public

Building

Short demos and prototypes from the last few months. More on X.

OpenBench: benchmarking agent harnesses, not just models

OpenBench: benchmarking agent harnesses, not just models

Jul 2026

Evals built on a simple belief: everyone compares models, almost no one compares harnesses. Same model, same task across codex, pi, opencode, cursor, devin, and claude — measuring solve rate, $/solve, and latency.

EvalsCoding agents

computer-use-mcp v0.4.0: reusable computer-use skills

Jul 2026

Save repeatable workflows as computer-use skills. After the agent finishes a workflow, tell it to save_skill and just call it next time — or teach it one by recording. Works with Claude and any agent that speaks MCP.

MCPComputer use

A computer use MCP for any agent

Jun 2026

A computer use MCP that works with any agent: Claude, Devin, Grok, whatever you run. Lets the agent work across your computer in the background, verify itself in a feedback loop, and take on the annoying tasks you'd rather not.

MCPComputer use

/remote-control for the Codex CLI

May 2026

A yolo /remote-control built with /goal. It spins up a tiny server on the laptop, mints a fresh token and QR code, and lets you drive a Codex session from your phone.

Codex CLITypeScript

/goal: two games built over lunch

May 2026

Codex’s new /goal command running unattended. Set a one-line objective, walk away, come back to working games. The thread has notes on /goal resume and computer use self tests.

CodexAgent workflows

pi-gui: computer use + integrated terminal

Apr 2026

Found an open-source computer use extension for Pi on X, had my agent audit it for security, then patched pi-gui to support it and added a built-in terminal. v0.1.0-beta.26.

TypeScriptElectronReact 19

pi-gui beta progress

Apr 2026

From “beta is around the corner” to v0.1.0-beta and counting. Incremental polish on the way to a real release.

TypeScriptElectron

Pi extension: generate 3D worlds

Mar 2026

A Pi extension that lets the agent generate 3D worlds, wiring a creative tool straight into the agent loop.

Pi extensionTypeScript

pi-gui: in-timeline diff viewer + tool expansion

Mar 2026

Another step toward the Codex-app feel for Pi. Collapsible tool calls, an in-timeline diff viewer, and tighter session UX.

TypeScriptElectron

pi-subagents: parallel agents for Pi

Mar 2026

Built a Codex/Claude style subagents flow for Pi in a few hours. Spawn parallel agents, message and wait on them, non-blocking orchestration.

TypeScriptOpen source

pi-gui: a desktop client for the Pi coding agent

Mar 2026

Building the Codex-app experience for Pi. Native macOS chrome, multiple parallel sessions, a streaming timeline with inline diffs, slash commands, git worktree lifecycle.

TypeScriptElectronReact 19