Endo is listed as Open Source. Check https://github.com/longsurf-ai/endo for the current plan limits, as vendors change pricing frequently.

Endo

Q: What is Endo?

Endo is a code AI tool listed on Use AI Tools. Endo is the Higher Order Harness: a unified chat interface that composes any agent, on the subscription you already have, into any workflow. It ships as a Mac app for Apple Silicon and is MIT licensed.

Q: What is Endo best for?

Endo is commonly used for People paying for more than one coding agent, Users who want one interface over several subscriptions, Mac users on Apple Silicon. It supports English.

Code🔥 Intermediate✅ Global access

People paying for more than one coding agentUsers who want one interface over several subscriptionsMac users on Apple Silicon

Open SourceEnglish

Endo is the Higher Order Harness: a unified chat interface that composes any agent, on the subscription you already have, into any workflow. It ships as a Mac app for Apple Silicon and is MIT licensed.

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🎯 Real-World Use Cases

One interface, several agents

Drive different agents from a single chat surface.

Composed workflows

Chain agents into repeatable workflows such as best-of-n.

Reuse existing subscriptions

Bring the agents you already pay for instead of buying a new seat.

⚖️ Honest Review

✅ Pros

+Uses subscriptions you already have
+MIT licensed
+Mac build available for Apple Silicon

⚠️ Cons

−macOS only
−Relies on the agents you bring, so quality varies

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