Quick answer
- What AIDEN is
- Desktop workspace running your Claude Code + Codex CLIs on parallel git branches
- In-loop checks
- eslint, Jest/Vitest, server smoke runs, best effort, agents iterate
- Works with
- Node.js, Express/Fastify, React, Vue 3/Nuxt, Vite/Webpack
- Pricing
- Free (1 project) · Solo $19/mo · Lifetime $169 · Team $10/seat
Why JavaScript developers need agentic AI
JavaScript is the most flexible and most footgun-prone language in production. Without your project's conventions in view, AI tools produce code that runs but breaks your patterns, wrong module format, callback code in a promise-first codebase, components that violate your state management. If your project is typed, see the TypeScript guide; the plain-JS failure modes:
Callback-to-async refactors
ESM/CJS module issues
Dependency sprawl
Framework-specific conventions
How AIDEN works with JavaScript
Every story follows the same arc, spec, isolated branch, checks in the loop, then a PR. The PR automation guide covers the handoff mechanics; here's what it looks like on a JavaScript codebase:
- 1
JavaScript project analysis
AIDEN reads package.json, eslint config, jest/vitest config, source files, and tests. It learns your module system, framework conventions, and testing patterns, what you mock, how you set up, what you assert, before any agent edits. - 2
Story → spec you approve
Create a story: "Refactor the auth middleware from callbacks to async/await, keep the signature backward compatible, add tests for the error paths." The spec identifies all call sites and the compatibility contract; you approve it before the agent starts. It's the refactor you've been putting off because it touches too many files. - 3
Linting and tests in the agent loop
The agent runs eslint with your config and your Jest or Vitest suite inside its loop, iterating on failures it sees. For Node services it can also check the server starts. Best effort, the outputs land in front of you, not behind a curtain. - 4
One-click PR with evidence
The PR includes lint output, test results, and a summary. Refactors call out which call sites changed and why; features describe the approach and coverage. You review a clean diff with context.
Ship your first agent today
Download AIDEN free and point it at your existing Claude Code or Codex setup. No credit card, running in minutes.
Download AIDEN freeFree to start · macOS 12+ · No credit card required
JavaScript ecosystem support
Node.js
Express / Fastify
React
Vue 3 / Nuxt
Jest / Vitest
Webpack / Vite / esbuild
AIDEN vs generic AI tools for JavaScript
The honest difference is not model quality, AIDEN runs the same Claude Code and Codex CLIs you already use. The difference is the workflow wrapped around them: an approved spec, an isolated git worktree per story, checks the agent runs in its loop, and a PR you review.
| Capability | Generic AI editor | AIDEN |
|---|---|---|
| Module system awareness | Follows the syntax of the open file | Reads package.json 'type' and 'exports' first |
| Refactor scope | The file you're editing | All call sites, planned in the approved spec |
| Lint/test feedback | Manual runs between suggestions | eslint + Jest/Vitest in the agent loop |
| New dependencies | Suggested freely | Checks package.json; prefers what's installed |
| Parallel work | One suggestion stream at a time | Parallel agents on isolated git worktrees |
| Deliverable | Inline edits you accept | Approved spec → branch → PR you review |