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Hanko vs Stoplight

Hanko and Stoplight score alike on the AgentReady. They differ on 8 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Hanko. Hanko is an open-source authentication and user management platform for modern web and mobile apps.

Stoplight. Stoplight is a collaborative platform equipping teams with tooling across the API lifecycle to help them build quality APIs efficiently.

Where Hanko is ahead

Hanko passes clear canonical domain, llms.txt published and llms-full.txt / full agent docs, and Stoplight does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds adopt: fast time to first request and copyable quickstart. Stoplight misses those.

Where Stoplight is ahead

Stoplight passes structured api reference, and Hanko 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 and cli available. Hanko misses those.

What neither does

Both fail clear product positioning, mcp discoverable, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, no mandatory sales call, programmatic credential creation, mcp integration available, 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. Hanko leads 73 to 53. Hanko misses clear product positioning, mcp discoverable; Stoplight misses clear canonical domain, clear product positioning, llms.txt published, llms-full.txt / full agent docs, mcp discoverable.

Understand. Stoplight leads 38 to 23. Hanko misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Stoplight misses openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. Stoplight leads 55 to 50. Hanko misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, cli available, mcp integration available; Stoplight misses no mandatory sales call, programmatic credential creation, fast time to first request, copyable quickstart, mcp integration available.

Operate. Both sit at 47/100 here. Hanko misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; Stoplight misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Hanko starts at $29/month and has a free tier. Stoplight starts at $44/mo and has a free tier.

Signal by signal

Which to pick

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

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