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Convex vs Xata

Xata scores higher on the AgentReady, 70/100 against 61/100. They differ on 4 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Convex. The reactive backend platform that keeps up with you and your agents.

Xata. A Postgres platform with instant branching and scale-to-zero compute.

Where Convex is ahead

Convex passes retry behavior documented, and Xata does not. That is operate, whether an agent can run against it in production and recover when a call fails.

Where Xata is ahead

Xata passes mcp discoverable, and Convex 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. Convex misses it.

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

What neither does

Both fail openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, programmatic credential creation, structured, predictable output, machine-readable errors, idempotency support, rate-limit behavior predictable. 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. Xata leads 100 to 87. Convex misses mcp discoverable; Xata misses nothing.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. Xata leads 38 to 23. Convex misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Xata misses openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. Xata leads 90 to 76. Convex misses programmatic credential creation, mcp integration available; Xata misses programmatic credential creation.

Operate. Convex leads 59 to 53. Convex misses structured, predictable output, machine-readable errors, idempotency support, rate-limit behavior predictable; Xata misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable.

Pricing

Convex starts at $0/mo and has a free tier. Xata starts at $0.012/hr and has a free tier.

Signal by signal

Which to pick

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

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