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Sst vs SuperTokens

SuperTokens scores higher on the AgentReady, 54/100 against 44/100. They differ on 11 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Sst. SST is a framework that makes it easy to build modern full-stack applications on your own infrastructure.

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

Where Sst is ahead

Sst passes structured api reference, 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: agent-compatible signup flow. SuperTokens misses it.

And on operate, observable execution. SuperTokens misses it.

Where SuperTokens is ahead

SuperTokens passes clear product positioning and mcp discoverable, and Sst does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds understand: authentication documented and pricing understandable. Sst misses those.

And on adopt, no mandatory sales call, free trial or free allowance, copyable quickstart and mcp integration available. Sst misses those.

What neither does

Both fail openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, self-service signup, programmatic credential creation, fast time to first request, structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified. 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.

Discover is whether an agent can find the product at all without being told it exists. SuperTokens leads 100 to 73. Sst misses clear product positioning, mcp discoverable; SuperTokens misses nothing.

Understand. Both sit at 31/100 here. Sst misses openapi / spec quality, authentication documented, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; SuperTokens misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. SuperTokens leads 60 to 38. Sst misses self-service signup, no mandatory sales call, programmatic credential creation, free trial or free allowance, fast time to first request, copyable quickstart, mcp integration available; SuperTokens misses self-service signup, agent-compatible signup flow, programmatic credential creation, fast time to first request.

Operate. Sst leads 35 to 24. Sst misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; SuperTokens misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, agent compatibility verified.

Pricing

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

Signal by signal

Which to pick

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

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