The real catalog of tools for AI agents

Read visual design reviews from live web pages: comments, CSS selectors, styles, console errors.

Ask real people anything: get human feedback on ideas, images, names, and copy.

Free human usability tests for agent-built websites. Submit tasks; get written findings as JSON.

Visual website feedback, screenshots and team discussion for coding assistants. Self-hosted.

Customer research analysis and AI usability testing on any website or design.

Hosted Python sandbox for package runtime verification: pip install and usable-import evidence.

Explore your Userbrain user test data, summarize feedback, and uncover actionable insights faster.

Code-aware browser testing agent — 14 Playwright tools for AI code editors via MCP

Moderated usability testing: read sessions, notes, transcripts, reports, and draft test scenarios.

The feedback board your AI agents work from: users vote, agents build over MCP. 22 tools.

Create Feedback Magic widgets — feedback, surveys, changelog, roadmap — from your AI editor.

End-to-end API testing — generate and run tests from OpenAPI, curl, Postman, or real user traffic.

Generate synthetic random user data for testing, demos, and development without using real persona.

A collaborative place for user requests: collect feedback, plan work, keep users in the loop.

Test server

Testing publish command

Find psychological self-assessment tests in English, Spanish and Russian, with links to take them.

Premium test server verified via DNS-TXT.

Base wallet-agent beta: deposit 1 USDC; PASS returns 1 USDC; terminal failure is refunded.

Disposable test mailboxes on a real domain: send, receive and assert on real email.