Agents In Use1125 use casesShowing 265–288
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news.ycombinator.comInteguru evolved from replaying observed requests to combining blocked-request exploration with frontend source analysis, reporting broader coverage while acknowledging anti-bot and UX limits.
Added Integurunews.ycombinator.comRemainderBot selects work from goals and task lists, uses spare Claude or Codex subscription quota, and presents results as GitHub PRs informed by comments and merge decisions.
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Claudevia Claude CLI via RemainderBotnews.ycombinator.comreactordev used Codex to build a Bun and React management plane for Linux GPU machines, with privileged Docker agents, WebSocket reporting and project-based delegation.
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Codexnews.ycombinator.comA job-board team tried Cursor with content creators, then used it to build a focused browser editor with chat-driven pages, style and tracking guardrails, and underlying Git versioning.
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Cursornews.ycombinator.comA developer used mostly Claude Opus 4.5 in agent mode to build Krypto Markets in under 48 hours, directing and reviewing work on live prices, charts, authentication and debugging.
AddedClaudenews.ycombinator.comA DevOps engineer reports building Artifact Keeper in about three weeks with Claude Code, keeping architectural control and running the resulting open-source registry at home.
AddedClaudevia Claude Codenews.ycombinator.comSonnet produced a minimal USB audio driver after the developer intervened in a thinking loop. Opus later identified pitfalls; changing audio settings still caused kernel panics.
AddedClaudenews.ycombinator.comThe emulator rendered gameplay in the browser and responded to action buttons, but average runtime performance remained slow at around 11 FPS.
AddedCodexnews.ycombinator.comThe author reports around 13,000 lines of generated Go in just over two weeks, roughly 300 PRs, good unit-test coverage and learning idiomatic Go along the way.
AddedCodexnews.ycombinator.comBoth implementations remained incomplete. After reviewing four earlier reports, Astra and Opus both preferred the Opus implementation as the basis for further work.
AddedClaudevia Opus 5.5The author reports 562 merged PRs in two weeks, mostly for Sightline, and a custom-roles goal that ran for over a day with periodic check-ins.
AddedClaude
openai.comThe team reports a shipped internal beta with daily internal users and external alpha testers, roughly 1,500 merged pull requests and about a million lines of agent-written material.
AddedCodexnews.ycombinator.comThe author reports the printer started heating and printing within five minutes, followed by fit-tuning iterations and a shared repository of the final result.
AddedCodexnews.ycombinator.comThe author published a memorial edition beside the hashed original with edits documented. Render inspection corrected email and font problems; ACM’s copy remained uncorrected.
AddedCursorvia Fable
cockroachlabs.comThe source reports Db2 support completed in less than two days with twenty-seven merged PRs and test coverage equivalent to PostgreSQL; two escalations required a human.
Added MOLT Sinainews.ycombinator.comThe author produced ebookaloud, an ebook narration product targeting m4b output, and shared a free sample demonstrating its voice and format.
Added OpenCode with DeepSeek v4news.ycombinator.comThe author built a macOS application around a reverse engineered BLE specification and added support for a few other Razer mice.
AddedCodexnews.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.comThe author tested local Qwen through OpenCode on three coding tasks. An MCP feature completed without human input, a Nix package port looped on a hash, and a harder task was stopped after repeated discovery and context compactions.
Added OpenCode with Qwen 3.8-27B