---
title: "Claude Code use cases: 74 real examples"
canonical: "https://agenticfeats.com/agents/claude-code/2/"
receipts: 74
shown: 45
page: 2
pages: 2
---

> From Agentic Feats: sourced examples of AI agents at work. Map of the site for agents: https://agenticfeats.com/llms.txt

# Claude Code use cases: 74 real examples

Agentic Feats lists 74 sourced examples of Claude Code in real work; 45 link the artifact; most common job type: coding (26). Newest first.

## Feats, newest first

- [Telegram text RPG shipped](https://agenticfeats.com/c/telegram-text-rpg-shipped-claude-code.md) (Claude Code; Shown; 2026-10-13): Claude Code wrote every line of Zapaleni, a Slavic folklore text RPG in a Telegram bot, for a project manager who does not code. Result: A prototype took two evenings and a live game six weeks; after seven weeks it had 164 players, 109 active in one day.
- [Claude drives a robot](https://agenticfeats.com/c/claude-drives-a-robot-claude-code.md) (Claude Code; Shown; 2026-10-13): Claude Code, run from a laptop, controlled a PiCar-X robot with a camera and distance sensor through terminal commands, using photos to navigate. Result: The robot navigated, scanned rooms, kept memory notes, and published a patrol field journal, but spent 15 minutes parking at the wrong door.
- [Claude-assisted stock portfolio](https://agenticfeats.com/c/claude-assisted-stock-portfolio-claude-code.md) (Claude Code; Shown; 2026-10-13): A Claude Code agent on Opus 4.6 researched positions for a $50,000 real-money account under human-set risk rules, aiming to beat the S&P 500. Result: The operator reports +19.04% versus +12.24% for the S&P 500 from March 3 to August 4, 2026, with $27 million copying the trades.
- [Balloon camel simulator](https://agenticfeats.com/c/balloon-camel-simulator-claude-code.md) (Claude Code, Claude in Chrome; Shown; 2026-10-13): Claude Code built a Go physics simulator with a web frontend that streams balloon-camel geometry, with Claude in Chrome looping on screenshots and camera control. Result: A working balloon camel simulator with multi-balloon twists and model export, published as the CamelKoons repo, though the look ended up off-target.
- [VNC client build attempts](https://agenticfeats.com/c/vnc-client-build-attempts-claude-code.md) (Claude Code, Codex; Shown; 2026-10-13): The author asked Claude, then ChatGPT 5.6 Sol, to build a bare-bones VNC viewer for Windows 10 that avoids dropped keystrokes. Result: Claude gave failed builds for a week and used up the 20x Max weekly limit. Sol had worked 20+ hours without success.
- [QuickBooks vendor invoice automation](https://agenticfeats.com/c/quickbooks-vendor-invoice-automation-claude-code.md) (Claude Code; Shown; 2026-10-13): Claude Code upgraded the author's existing QuickBooks Online integration to attach original PDFs, self-update the item list, clean up files, and skip duplicate invoices. Result: A test run processed 40 PDFs, created the QuickBooks records, attached the PDFs, and cleaned up automatically, cutting hours to minutes.
- [Reverse engineering a papercut zero-day](https://agenticfeats.com/c/reverse-engineering-a-papercut-zero-day-claude-code.md) (Claude Code; Shown; 2026-10-13): Claude Code analyzed a patch for an actively exploited Papercut NG vulnerability and worked to build a working exploit chain. Result: Within 90 minutes Claude produced a functional proof of concept confirming an authentication bypass across four tested endpoints.
- [AI bookkeeping for Swedish companies](https://agenticfeats.com/c/ai-bookkeeping-for-swedish-companies-claude-code.md) (Claude Code, Codex; Numbers; 2026-10-13): Claude Code and Codex kept the books for several Swedish limited companies over ten weeks, handling receipts, VAT, bank matching and posting. Result: About 1,570 entries posted in Claude Code alone, and Codex caught a VAT return error days before filing.
- [Cold outreach list and emails](https://agenticfeats.com/c/cold-outreach-list-and-emails-claude-code.md) (Claude Code, Claude in Chrome; Shown; 2026-10-13): Claude Code with Chrome access built a sourced target list and drafted personalized cold emails for a niche-program outreach campaign. Result: Claude found 25 to 30 people with sources; the author emailed about 20, and 7 replied, several with intros and new leads.
- [Personal life run by Claude](https://agenticfeats.com/c/personal-life-run-by-claude-claude-code.md) (Claude Code; Numbers; 2026-10-13): Claude Code, given access to Molly Cantillon's email, bank accounts and investments, built specialized helpers to handle admin tasks and finances in her daily life. Result: Cantillon claims Claude found about $700 in savings on the first day, according to the article's headline.
- [Docs crawler MCP server](https://agenticfeats.com/c/docs-crawler-mcp-server-claude-code.md) (Claude Code; Shown; 2026-10-13): Claude used the author's pulpie-mcp server to crawl a documentation site and save every page locally as clean Markdown files. Result: Claude pulled 60 documentation pages into local Markdown files in about 49 seconds, including roughly 10 seconds of backend cold start.
- [Password reset migration experiment](https://agenticfeats.com/c/password-reset-migration-experiment-claude-code.md) (Claude Code; Numbers; 2026-10-13): Claude Code with Opus migrated a password reset flow in a legacy web app, with the author closely supervising under a pre-made plan. Result: It cost about two months of Pro subscription over half a working day, and ended up slightly slower than doing the migration by hand.
- [Office documents built by agents](https://agenticfeats.com/c/office-documents-built-by-agents-claude-code.md) (Claude Code, Cursor, GitHub Copilot agent, Other; Shown; 2026-10-13): AI agents use the OfficeCLI binary to create and edit Word, Excel, and PowerPoint files, and check them through HTML or PNG rendering. Result: The repo shows sample decks, Word documents, and Excel workbooks, all created by agents with no templates and no manual editing.
- [Three agents build multiplayer Counter Strike](https://agenticfeats.com/c/three-agents-build-multiplayer-counter-strike-codex.md) (Claude Code, Codex, Gemini agent; Shown; 2026-10-13): The Instant team gave Codex, Claude Opus 4.5 and Gemini 3 Pro the same prompts to build a 3D multiplayer Counter Strike clone. Result: All three produced a playable multiplayer game with a map list and saved rooms; Opus won on visuals, Gemini on backend, Codex landed in between.
- [Chess game post-mortem video](https://agenticfeats.com/c/chess-game-post-mortem-video-claude-code.md) (Claude Code; Shown; 2026-10-13): Claude Code skills ran a Stockfish sweep on a 15+10 rapid game, matched the author's spoken thoughts to moves, and produced a narrated video. Result: A 6:49 narrated video with subtitles, an annotated PGN, and a standalone HTML analysis board for one real lichess game, all included in the repo.
- [Claude Code plays RollerCoaster Tycoon](https://agenticfeats.com/c/claude-code-plays-rollercoaster-tycoon.md) (Claude Code, Codex; Shown; 2026-10-13): Ramp Labs forked OpenRCT2, built a kubectl-style CLI, and let Claude Code manage a theme park through it. Result: Claude handled analytics, pricing, staffing and simple stall placement well, but failed at pathways, large coasters, and vertical terrain. The mod took about 40 hours.
- [SQLite-like engine in Rust](https://agenticfeats.com/c/sqlite-like-engine-in-rust-claude-code.md) (Claude Code, Codex, Other; Shown; 2026-10-13): Claude, Codex, and Gemini workers, two of each, built a SQLite-style database engine in Rust by claiming tasks through git lock files. Result: About 19k lines of Rust across 154 commits in three days. The engine passes 64 SQLLogicTest queries and 282 AI-written unit tests.
- [Home Assistant automations via Claude Code](https://agenticfeats.com/c/home-assistant-automations-via-claude-code.md) (Claude Code; Numbers; 2026-10-13): Claude Code, connected to Home Assistant through an MCP server, debugged a misfiring automation, adjusted a dim level, and built a new shed motion-light automation. Result: A camera automation that fired 5 times in 40 minutes was fixed in under two minutes, and shed motion lights were built.
- [Tax prep with Claude Code](https://agenticfeats.com/c/tax-prep-with-claude-code.md) (Claude Code; Shown; 2026-10-13): Claude Code compiled charitable contributions, itemized deductions from email and card statements, and a Schedule C for the author's consulting income. Result: The author finished most of their tax prep in about three hours, work they say would have cost $1,000 from an accountant.
- [Coding agent built on LLM](https://agenticfeats.com/c/coding-agent-built-on-llm-claude-code.md) (Claude Code; Shown; 2026-10-13): Claude Code on the web wrote a spec, then built and tested a coding agent library on LLM using red/green TDD. Result: Shipped llm-coding-agent 0.1a0 to PyPI with six file and shell tools, a CLI and a Python API; it built a working ASCII-art clock app.
- [Research workflow with Claude Code](https://agenticfeats.com/c/research-workflow-with-claude-code.md) (Claude Code; Claim; 2026-10-13): Claude Code with MCP servers handles literature search, Zotero notes, Gmail alert newsletters, and codebase questions for a hydrology researcher. Result: The author reports faster literature search, Zotero notes written automatically, and accurate answers about the ATS hydrology codebase through a custom ats-mcp server.
- [Songs composed with Claude Code](https://agenticfeats.com/c/songs-composed-with-claude-code.md) (Claude Code; Shown; 2026-10-13): Claude Code wrote music for multiple tracks and lyrics, plus custom tooling that connects to the Bitwig DAW, producing five finished songs. Result: Five mp3 songs were published, including a twelve-song album concept and a five-movement symphony, with MIDI and lyrics in public repos.
- [Support automation skill builder](https://agenticfeats.com/c/support-automation-skill-builder-claude-code.md) (Claude Code; Shown; 2026-10-13): A Claude Code skill that guides a team through building custom support automation across ticketing, billing, and database platforms, with triage and templated replies. Result: The Lex support automation built this way has 15 scripts and 6 templates, and handles about 80% of support tasks with yes/no approvals.
- [Audio analysis skill for Claude](https://agenticfeats.com/c/audio-analysis-skill-for-claude-claude-code.md) (Claude Code; Shown; 2026-10-13): Claude Code loaded a Gemini-written Loooom skill, installed its own audio libraries, and analyzed a 37-second piano recording of Espresso. Result: It produced a report with BPM (~91), 4/4 meter, B major key, 50 onsets, a four-section timeline, and a stem list.

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