Mind-expansion for AI agents

Thoughtbox gives your AI agents persistent, queryable memory via MCP. One plan, one price.

Founding Beta

Full Access

$17.29/ month

Everything Thoughtbox offers — hosted cloud, web dashboard, API access, OTEL integration, team features. Have a beta invite code? You can redeem it at checkout for a comped subscription.

  • Hosted on our infrastructure — no Docker required
  • Web dashboard with session explorer and trace view
  • API access and key management
  • Realtime session updates
  • OTEL trace integration (Claude Code telemetry)
  • Knowledge graph persistence
  • Unlimited sessions, thoughts, and data retention
  • Email support

Secure checkout via Stripe. Cancel anytime.

Common questions

What MCP clients are supported?

Thoughtbox is optimized for Claude Code. It also works with Cursor, Windsurf, and any MCP-compatible client.

I have a beta invite code. How do I use it?

Click Get Access, then enter your code in Stripe's Add promotion code field during checkout. If your code is a full comp, your card won't be charged until the beta period ends.

Do I need Thoughtbox for every task?

No. For quick tasks (<10 minutes), your agent thinks just fine natively. Thoughtbox shines for deep research, strategic planning, complex debugging, and architecture design — tasks that take 30+ minutes of sustained reasoning.

More questions? Email us or read the docs.