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Powersync vs Turso

Turso scores higher on the AgentReady, 86/100 against 50/100. They differ on 13 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Powersync. PowerSync is a sync engine that consists of two components: a service that enables high-scalability partial data syncing and a set of client SDKs that manage client-side persistence, consistency, reactivity and syncing write operations back.

Turso. The Database for the Age of AI Agents.

Where Turso is ahead

Turso passes mcp discoverable, and Powersync 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, openapi / spec quality, request examples provided, response examples provided and errors and status codes documented. Powersync misses those.

And on adopt, programmatic credential creation, fast time to first request, copyable quickstart, official python sdk and mcp integration available. Powersync misses those.

Finally, on operate, structured, predictable output and machine-readable errors. Powersync misses those.

What neither does

Both fail authentication documented, limits / constraints documented, 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. Turso leads 100 to 87. Powersync misses mcp discoverable; Turso misses nothing.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. Turso leads 85 to 23. Powersync misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Turso misses authentication documented, limits / constraints documented.

Adopt. Turso leads 100 to 55. Powersync misses programmatic credential creation, fast time to first request, copyable quickstart, official python sdk, mcp integration available; Turso misses nothing.

Operate. Turso leads 59 to 35. Powersync misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; Turso misses retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Powersync starts at $0/month and has a free tier. Turso starts at $4.99/mo and has a free tier.

Signal by signal

Which to pick

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

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