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Stoplight vs Supabase

Supabase scores higher on the AgentReady, 74/100 against 48/100. They differ on 16 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

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

Supabase. Supabase is an open-source Firebase alternative that provides a complete backend platform built on top of Postgres, offering database, authentication, storage, realtime, edge functions, and vector capabilities.

Where Stoplight is ahead

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

It also holds understand: pricing understandable. Supabase misses it.

And on adopt, self-service signup, free trial or free allowance, official typescript sdk and official python sdk. Supabase misses those.

Finally, on operate, canonical workflow succeeds, structured, predictable output and observable execution. Supabase misses those.

Where Supabase is ahead

Supabase passes clear product positioning, llms.txt published, llms-full.txt / full agent docs and mcp discoverable, and Stoplight 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. Stoplight misses it.

And on adopt, mcp integration available. Stoplight misses it.

What neither does

Both fail clear canonical domain, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, no mandatory sales call, programmatic credential creation, fast time to first request, copyable quickstart, 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. Supabase leads 100 to 53. Stoplight misses clear canonical domain, clear product positioning, llms.txt published, llms-full.txt / full agent docs, mcp discoverable; Supabase misses search discoverable, clear canonical domain, public docs discoverable.

Understand. Supabase leads 67 to 38. Stoplight misses openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Supabase misses openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. Supabase leads 63 to 55. Stoplight misses no mandatory sales call, programmatic credential creation, fast time to first request, copyable quickstart, mcp integration available; Supabase misses self-service signup, no mandatory sales call, programmatic credential creation, free trial or free allowance, fast time to first request, copyable quickstart, official typescript sdk, official python sdk.

Operate. Supabase leads 67 to 47. Stoplight misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; Supabase misses canonical workflow succeeds, structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, agent compatibility verified.

Pricing

Stoplight starts at $44/mo and has a free tier. Supabase does not publish one.

Signal by signal

Which to pick

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

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