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Supabase vs TiDB Cloud

Supabase scores higher on the AgentReady, 74/100 against 65/100. They differ on 9 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

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.

TiDB Cloud. TiDB Cloud is a cloud-native distributed SQL database service that provides infrastructure for infinite agents and infinite data, with support for AI applications, vector search, and multi-modal data platforms.

Where TiDB Cloud is ahead

TiDB Cloud 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 adopt: self-service signup, no mandatory sales call and official typescript sdk. Supabase misses those.

And on operate, canonical workflow succeeds, structured, predictable output, observable execution and agent compatibility verified. Supabase misses those.

What neither does

Both fail clear canonical domain, openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, programmatic credential creation, free trial or free allowance, fast time to first request, copyable quickstart, official python sdk, machine-readable errors, retry behavior documented, 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. Supabase leads 100 to 93. Supabase misses search discoverable, clear canonical domain, public docs discoverable; TiDB Cloud misses clear canonical domain.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. Supabase leads 67 to 38. Supabase misses openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; TiDB Cloud misses openapi / spec quality, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. TiDB Cloud leads 65 to 63. 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; TiDB Cloud misses programmatic credential creation, free trial or free allowance, fast time to first request, copyable quickstart, official python sdk.

Operate. Supabase leads 67 to 65. 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; TiDB Cloud misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable.

Pricing

Supabase does not publish a machine-readable starting price. TiDB Cloud does not publish one.

Signal by signal

Which to pick

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

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