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Plain vs Trigger.dev

Trigger.dev scores higher on the AgentReady, 60/100 against 46/100. They differ on 11 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Plain. Plain is AI support infrastructure that enables B2B teams to build anything – no-code or all-code.

Trigger.dev. Trigger.dev is an open source background jobs framework and platform for building AI workflows in TypeScript.

Where Plain is ahead

Plain passes structured api reference, and Trigger.dev does not. That is understand, whether an agent can read the docs and work out how the API behaves before calling it.

It also holds operate: structured, predictable output. Trigger.dev misses it.

Where Trigger.dev is ahead

Trigger.dev passes mcp discoverable, and Plain 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, pricing understandable and limits / constraints documented. Plain misses those.

And on adopt, self-service signup, fast time to first request, copyable quickstart, cli available and mcp integration available. Plain misses those.

What neither does

Both fail openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, no mandatory sales call, agent-compatible signup flow, programmatic credential creation, free trial or free allowance, 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. Trigger.dev leads 100 to 87. Plain misses mcp discoverable; Trigger.dev misses nothing.

Understand. Trigger.dev leads 38 to 31. Plain misses openapi / spec quality, authentication documented, pricing understandable, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Trigger.dev misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented.

Adopt is whether an agent can get a key and make its first successful call without a human in the loop. Trigger.dev leads 65 to 20. Plain 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, copyable quickstart, cli available, mcp integration available; Trigger.dev misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, free trial or free allowance.

Operate. Plain leads 47 to 35. Plain misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; Trigger.dev misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.

Pricing

Plain does not publish a machine-readable starting price. Trigger.dev does not publish one.

Signal by signal

Which to pick

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

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