Agents In Use
Claude, in use.Anthropic’s Claude includes a chat assistant, Claude Code, a command-line coding agent, and Cowork for delegated desktop work with files and tools.
Maker: Anthropic
Writing, research, coding and desktop work.
news.ycombinator.comGeistlib was built in C with heavy Claude Code pair-programming and packages BitNet 2B for offline use on a Raspberry Pi 5. The author published performance measurements, methodology and a local benchmark command.
AddedClaudevia Claude Codenews.ycombinator.comA Claude Code CLI agent uses a host-issued token to create or modify apps in a prototyping lab. A reload rebuilds backend and UI components, after which the agent tests through browser or API and the author inspects the running result.
AddedClaudevia Claude Codenews.ycombinator.comA SaaS owner used Claude with a shared Git plan, custom ESLint feedback, Bash approval rules and deterministic workflow generation. They reported lower token spending and shorter workflows while continuing code and UI review.
AddedClaudenews.ycombinator.comBothy packages a Zellij and Yazi terminal workspace into a one-command setup. Claude wrote most of it under the author’s decisions and rules, with portable configuration and verified official tool downloads.
AddedClaudenews.ycombinator.comThe author built a multi-target compiler, used it with Claude for a WASM client and server sharing classes and data formats, and began a cross-platform UI framework.
AddedClaudenews.ycombinator.comConfig-drift-checker generated Claude Code evaluation cases and ran comparisons with and without project setup. The author found hook and skill effects, misleading pass reasons, grader errors and a real Docker teardown from an eval workspace.
AddedClaudevia Claude Codenews.ycombinator.comUsing Claude Code, the author built an xc compiler, extended FreeRTOS into XTOS and integrated an Atari emulator. They report a Linux-built signed iPhone binary, fast OS startup and a passing Acid 800 emulation test.
AddedClaudevia Claude Codenews.ycombinator.comProgressCove’s maker used Claude Code under detailed human guidance to build a family task app with offline mobile storage. The workflow included iterative code review, tests, security review and adversarial subagent checks.
AddedClaudevia Claude Codenews.ycombinator.comPulado’s maker used Claude Code to repair a Flash client for Ruffle and port it to Haxe. Repeated feature comparisons and playtests brought the engine close to parity, with remaining issues still under repair.
AddedClaudevia Claude Codenews.ycombinator.comThe author reports that urlx passes 1,300 of 1,300 applicable curl tests and provides a libcurl-compatible C ABI, while some features remain unfinished.
AddedClaudevia Claude Codenews.ycombinator.comAn experienced compiler author directed Claude over more than half a year to build a language with DWARF imports and shared CPU/GPU execution.
AddedClaudenews.ycombinator.comClaude Code helped revive and instrument a 1997 PC game, adding headless parallel instances and producing level guides with screenshots.
AddedClaudevia Claude Codenews.ycombinator.comThe author used Claude Code to structure exported voice transcripts, extract decisions and build a searchable knowledge base plus a portable CLAUDE.md file.
AddedClaudevia Claude Codenews.ycombinator.comClaude Code used original MacPaint source and a Gemini feasibility plan to produce a port, recover legacy icons and get the application running on iPad.
AddedClaudevia Claude Codenews.ycombinator.comClaude Code runs booking scripts, retrieves database context and generates JSON proposals that wait in an admin out tray for manual approval.
AddedClaudevia Claude Codenews.ycombinator.comGit Lineage was built with Claude Code over six and a half months, with the author reviewing and manually testing every PR and remaining hands-on with performance and UX.
AddedClaudevia Claude Codenews.ycombinator.comClaude Code hooks enforce a failing-test-first development loop, with Playwright checks retained in the codebase and manual testing and line-by-line review before merging.
AddedClaudevia Claude Codenews.ycombinator.comThe creator finished an inherited message board with Claude Code and describes version-checked payment activation, refunds, and substantial performance and security work.
AddedClaudevia Claude Codenews.ycombinator.comClaude Code reproduced a llm-gemini command error, fixed the unsupported media resolution issue, and ran tests; the author reviewed and manually verified the change.
AddedClaudevia Claude Codenews.ycombinator.comThe Backlog.md creator reported improving an agent coding workflow through project documentation, individual Markdown tasks, planning, and review before merging.
AddedClaudevia Claude Code / Claude Opus / Claude Sonnetnews.ycombinator.comThe author turns conversational reflections into structured JSON, views them in a local character-sheet dashboard, and exports edited context for later sessions.
AddedClaudevia Claudenews.ycombinator.comCasperAI’s creator used Claude Code to generate about 80% of its TypeScript, including the MCP server and SQLite schema. The author retained architecture, debugging, documentation and edge-case testing.
AddedClaudevia Claude Codenews.ycombinator.comClaude Code orchestrated resource- and country-specific research agents, assembled sourced deep dives, and supported a queryable research project about interconnected disruptions.
AddedClaudevia Claude Codenews.ycombinator.comA Claude Code skill recovered export-blocked Kindle highlights using local position metadata, Cloud Reader images, and Apple Vision OCR, producing cited Markdown notes.
AddedClaudevia Claude Code