Sidequest

Tools built for AI agents.

Sidequest Explorers is building a suite of products that give AI agents the things they need to get real work done: private test inboxes, a live feed of upstream changes, and more on the way.

See the products

Plugs into your agent

  • Claude Code
  • Cursor
  • Codex
  • GitHub Copilot
  • Any MCP client

The suite

One quest at a time.

Live 482913

Proxy Mail QA

proxymail.qa

Test inboxes for sign-up and login.

  • Codes and links pulled out for you
  • Works in your tests and agents
  • Free plan, no credit card
Let's test
Live v18.2.0

Changelog Observer

changelog.observer

Every upstream change, one stream.

  • Releases, advisories, status pages
  • Set up by your coding agent
  • Free up to 20 dependencies
Let's watch
Coming soon SOON

Aygentic

aygent.id

Autonomous agents working for you.

  • Heads-down building now
  • Sign up on aygent.id for news
Keep me updated

Agents at work · example events

Side quests, handled.

Your agent gets the code, the link or the change it was waiting for, and gets back to the main quest.

Test inbox ready: jane_doe42@mailclub.dev Waiting for the sign-up code… Code 482913 received Password reset link received Invite link received
stripe-node v18.2.0 released Stripe: elevated error rates Security advisory: lodash Supabase maintenance, eu-west-1 Daily digest sent, 08:00 UTC

About

Why "Sidequest"?

Every builder knows the main quest gets stalled by side quests: the inbox you can't open, the changelog nobody read. We build the tools that clear those side quests, for people and for the agents working alongside them.