Devin use cases
38 real things people got Devin to do, each with what they asked, how it went, and the prompt to copy.
Add a third-party API integration via Devin PR
Devin opened a PR with the endpoint and backend wiring that was merged, but missed API key logic, code style and abstraction, needing review fixes.
Answer data questions and build dashboards from the warehouse
Cognition's team uses a Devin variant called DANA to query their data warehouse, build dashboards and answer data questions, and Devin fills out report forms.
Build a chess game against a language model
An early tester asked Devin to build a chess game against a language model; it made good progress but eventually hung.
Build a deals page step by step with Devin
An engineer had Devin implement a deals page in steps; it opened a PR in under 10 minutes, but CI failed, it added unnecessary changes and gave a false answer about a library.
Build a name-and-face quiz site from a spreadsheet
Scott Wu had Devin build and deploy a mobile-friendly React quiz from a TSV of speaker names and photos, plus a QR-code site to share it.
Build a Pong game and website from scratch
A tester asked Devin to create a basic Pong-style game and a website, and it finished both in under 20 minutes.
Build a WordPress marketing site from Figma overnight
bnistordev connected Devin to a Figma file via MCP and had it build an entire WordPress marketing site overnight.
Build and deploy a Game of Life simulation site
In a vendor launch demo, Devin built an interactive Game of Life website, added requested features step by step, and deployed it to Netlify.
Build and deploy an app over a weekend
The author had Devin build and deploy an app, finding it quick on PR feedback but weak on legacy monorepos and costly on broad requests.
Build and test a simple endpoint project with Devin
A reviewer had Devin set up a project, write code, install dependencies, test endpoints and add error handling in about 4 minutes on a simple task.
Build apps, debug repos and set up CI/CD with Devin
A review lists Devin building a full-stack to-do app, debugging a public repo with a PR, and doing Docker setup, deployment and CI/CD.
Click through apps to verify its own work
With computer use, Devin built and played a desktop game, ordered on Amazon, and tested its own work by clicking through the app.
Convert React MUI components to Tailwind with Devin
Lumos used Devin for routine tasks like MUI-to-Tailwind conversion, which went well, and its unit-test feedback loop reduced rewrites.
Explore code to write technical documentation
A technical writer uses Devin to explore code before documenting it, plus a Slack writing agent built on Devin, reporting about 20,000 lines of docs per month.
Fix a production boolean-flag bug with Devin
A reviewer had Devin fix a bug on a production site; it returned a PR in about ten minutes but included unrelated changes like removing a safeguard check.
Generate internal dashboards and data migration scripts
A backend engineer says their team uses Devin for internal dashboards and migration scripts, treating output as a starting point that saves about four hours of boilerplate.
Hand narrow code changes to Devin for pull requests
A team used Devin for a month on small fixes like chart formatting and API edge cases, with tests and PRs; a complex full-stack task went poorly.
Hunt business-logic flaws and open fix PRs
Parallel Devin agents each read part of a codebase, find business-logic and auth bypass flaws, confirm them in a sandbox, then open remediation PRs (vendor description).
Hunt jobs, tailor resumes and apply automatically
An agent called Resume finds and ranks jobs around schedule and pay wants, drafts tailored resumes and submits applications; the author reports 3 interviews and 1 offer.
Let an agent start a business from scratch
Josh gave Devin a card, phone, inbox, Stripe and repo to start a business; after four weeks and 10,929 calls it landed its first paying customer.
Migrate an Electron app from Vue 2 to Vue 3
Kearney gave Devin repo access to migrate a production Electron app to Vue 3 and update npm packages, committing after every five components.
Rewrite a README after a rearchitecture
Devin scanned a rearchitected codebase and delivered a new README as a PR with accurate setup and API details, but struggled with design rationale and purpose.
Run freelance website outreach with an agent
Chris Wozniczek has Devin find businesses and gigs, build pre-made websites, and send tailored cold emails to sell website services.
Set up weekly changelogs and fix docs from GitHub issues
Neon's docs team has Devin create the weekly changelog from a playbook and open or revise doc PRs from GitHub issues, for repetitive work only.
Ship more pull requests with Devin across tools
Ryan Carson uses Devin from iPhone, Slack, browser, GitHub and Linear for real work and reports higher PR shipping velocity.
Split a React Native to Swift migration across agents
Cognition's Jared Zoneraich uses Devin fan-out so child agents work in parallel on a migration split into six pieces.
Surface unanswered emails from the past week
Author had Devin build a Gmail API assistant that lists unanswered emails from the past week, since Attio lacks that tab; he wrote the auth part himself in Cursor.
Test an iPhone game and report what passed
Cognition had Devin on GPT-6 Astra test the game Otter Run in a simulator, returning a recording and a report of checks passed and untested areas.
Test Devin on integrations, migration and security review
Answer.AI tried Devin on an observability integration, an nbdev migration and a vulnerability review; it found some real issues, hallucinated others, and failed the migration.
Test Devin on pulling Notion data into Sheets
Answer.AI testers found Devin completed only 3 of 20 tasks, succeeding at moving Notion data to Google Sheets and building a planet tracker.
Test features on screen and merge fixed PRs
Ryan Carson uses Devin's Test App feature to record and narrate feature clicks, fix bugs, and merge PRs with a !land command.
Triage client messages into tickets and replies
A Slack watcher starts a Devin session on each new client message to investigate, create a Linear ticket, draft a response and route follow-ups.
Try Devin on research tasks (mostly failed)
Answer.AI had Devin fetch an author's recent papers and research transcript summarization; it got stuck parsing HTML and returned generic results, rated a failure.
Turn Notion PRDs into scoped Linear tickets
Devin's docs describe reading a Notion PRD to create Linear tickets, producing implementation plans for a backlog, and posting customer health summaries to Slack.
Turn Slack and Linear tasks into PRs and fix CI
Cognition staff assign Devin work in Slack or Linear; it posts PRs, fixes bugs flagged by review bots and works CI and lint failures until checks pass.
Turn Slack feedback into PRs and debug infra
Sid Nanda's company uses Devin in Slack to triage feedback, turn user issues into PRs, debug async flows and infra read-only, and let non-technical staff coauthor PRs.
Update a docs page of AI CLI tools with Devin
A user had Devin update a page listing AI coding CLI tools; it opened a PR in 5 minutes, but a separate task needed much back-and-forth to find all files.
Write, review and document code across a product's PRs
Founders report Devin touching all PRs at ChatPRD and being Gumroad's top contributor with over 1,500 merged PRs.