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Descope vs Logto

Descope scores higher on the AgentReady, 61/100 against 58/100. They differ on 10 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Descope. Descope is a passwordless authentication and user management service designed for developers.

Logto. Logto is an open-source authentication and identity platform built for developers, offering auth, SSO, and RBAC for SaaS, AI agents, and B2B apps.

Where Descope is ahead

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

It also holds adopt: no mandatory sales call, fast time to first request, copyable quickstart, cli available and mcp integration available. Logto misses those.

Where Logto is ahead

Logto passes structured api reference, pricing understandable and limits / constraints documented, and Descope 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: free trial or free allowance. Descope misses it.

What neither does

Both fail openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, programmatic credential creation, 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. Descope leads 100 to 87. Descope misses nothing; Logto misses mcp discoverable.

Understand. Logto leads 54 to 23. Descope misses structured api reference, openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Logto misses openapi / spec quality, request examples provided, response examples provided, errors and status codes documented.

Adopt is whether an agent can get a key and make its first successful call without a human in the loop. Descope leads 85 to 50. Descope misses programmatic credential creation, free trial or free allowance; Logto misses no mandatory sales call, programmatic credential creation, fast time to first request, copyable quickstart, cli available, mcp integration available.

Operate. Logto leads 39 to 35. Descope misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; Logto misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Descope does not publish a machine-readable starting price. Logto starts at $0/mo and has a free tier.

Signal by signal

Which to pick

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

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