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Clerk vs Stytch

Stytch scores higher on the AgentReady, 51/100 against 48/100. 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

Clerk. Clerk provides full-stack authentication and user management with products such as Organizations, Billing, and more.

Stytch. The identity platform for humans & AI agents.

Where Clerk is ahead

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

It also holds adopt: cli available and mcp integration available. Stytch misses those.

Where Stytch is ahead

Stytch passes search discoverable, and Clerk does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds understand: structured api reference. Clerk misses it.

And on operate, structured, predictable output. Clerk misses it.

What neither does

Both fail openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, self-service signup, no mandatory sales call, agent-compatible signup flow, programmatic credential creation, free trial or free allowance, fast time to first request, 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. Both sit at 87/100 here. Clerk misses search discoverable; Stytch misses mcp discoverable.

Understand. Stytch leads 38 to 23. Clerk misses structured api reference, openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Stytch misses openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt is whether an agent can get a key and make its first successful call without a human in the loop. Clerk leads 48 to 29. Clerk misses self-service signup, no mandatory sales call, agent-compatible signup flow, programmatic credential creation, free trial or free allowance, fast time to first request; Stytch misses self-service signup, no mandatory sales call, agent-compatible signup flow, programmatic credential creation, free trial or free allowance, fast time to first request, cli available, mcp integration available.

Operate. Stytch leads 50 to 35. Clerk misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; Stytch misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Clerk does not publish a machine-readable starting price. Stytch does not publish one.

Signal by signal

Which to pick

Signal counts are level here, so fit and price decide it. Full profiles: Clerk and Stytch. Alternatives to each: Clerk, Stytch.

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