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Loops vs SuperTokens

Loops scores higher on the AgentReady, 66/100 against 54/100. They differ on 6 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Loops. Loops is an email platform for building and managing lifecycle email with AI agents.

SuperTokens. Open source user authentication platform that helps developers build fast, maintain control, and reduce costs.

Where Loops is ahead

Loops passes limits / constraints documented, and SuperTokens does not. That is understand, whether an agent can read the docs and work out how the API behaves before calling it.

It also holds adopt: self-service signup and fast time to first request. SuperTokens misses those.

And on operate, observable execution and agent compatibility verified. SuperTokens misses those.

Where SuperTokens is ahead

SuperTokens passes no mandatory sales call, and Loops does not. That is adopt, whether an agent can get a key and make its first successful call without a human in the loop.

What neither does

Both fail structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, agent-compatible signup flow, programmatic credential creation, structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable. If your agent needs any of those, you will be building it yourself either way.

Score, pillar by pillar

The AgentReady splits into four pillars, scored separately, because a product can be easy to find and still impossible to adopt.

Understand. Loops leads 38 to 31. Loops misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented; SuperTokens misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. Loops leads 71 to 60. Loops misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation; SuperTokens misses self-service signup, agent-compatible signup flow, programmatic credential creation, fast time to first request.

Operate is whether an agent can run against it in production and recover when a call fails. Loops leads 53 to 24. Loops misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable; SuperTokens misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, agent compatibility verified.

Pricing

Loops does not publish a machine-readable starting price and has a free tier. SuperTokens starts at $0.02/MAU and has a free tier.

Signal by signal

Which to pick

Loops clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Loops and SuperTokens. Alternatives to each: Loops, SuperTokens.

An agent can fetch this as data: POST /v1/compare {"slugs": ["loops", "supertokens"]}