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Last9 vs Mastra

Last9 scores higher on the AgentReady, 48/100 against 42/100. They differ on 6 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Last9. Last9 is an observability platform for logs, metrics, and traces.

Mastra. Mastra is a TypeScript framework for building AI agents and applications.

Where Last9 is ahead

Last9 passes llms-full.txt / full agent docs, and Mastra does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds adopt: agent-compatible signup flow and official python sdk. Mastra misses those.

And on operate, agent compatibility verified. Mastra misses it.

Where Mastra is ahead

Mastra passes search discoverable, and Last9 does not. That is discover, whether an agent can find the product at all without being told it exists.

It also holds adopt: cli available. Last9 misses it.

What neither does

Both fail structured api reference, openapi / spec quality, authentication documented, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, self-service signup, no mandatory sales call, programmatic credential creation, free trial or free allowance, fast time to first request, structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution. 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. Mastra leads 93 to 87. Last9 misses search discoverable; Mastra misses llms-full.txt / full agent docs.

Understand. Both sit at 15/100 here. Last9 misses structured api reference, openapi / spec quality, authentication documented, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Mastra misses structured api reference, openapi / spec quality, authentication documented, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.

Adopt. Last9 leads 50 to 35. Last9 misses self-service signup, no mandatory sales call, programmatic credential creation, free trial or free allowance, fast time to first request, cli available; Mastra misses self-service signup, no mandatory sales call, agent-compatible signup flow, programmatic credential creation, free trial or free allowance, fast time to first request, official python sdk.

Operate is whether an agent can run against it in production and recover when a call fails. Last9 leads 41 to 24. Last9 misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution; Mastra misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, agent compatibility verified.

Pricing

Last9 does not publish a machine-readable starting price. Mastra does not publish one.

Signal by signal

Which to pick

Last9 clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Last9 and Mastra. Alternatives to each: Last9, Mastra.

An agent can fetch this as data: POST /v1/compare {"slugs": ["last9", "mastra"]}