Plain alternatives

The highest-scoring alternative to Plain is Upstash at 72/100 on the AgentReady, against 46/100 for Plain.

Score	Alternative	Compare
72	Upstash	Plain vs Upstash
66	Hatchet	Plain vs Hatchet
61	Inngest	Plain vs Inngest
60	Trigger.dev	Plain vs Trigger.dev
52	Beam	Plain vs Beam
46	Temporal	Plain vs Temporal
45	Riverqueue	Plain vs Riverqueue

What Upstash does that Plain does not

Upstash passes mcp discoverable, authentication documented, pricing understandable, limits / constraints documented, self-service signup, no mandatory sales call, free trial or free allowance, fast time to first request, copyable quickstart, cli available, mcp integration available, retry behavior documented, rate-limit behavior predictable, agent compatibility verified, and Plain fails them. That is the whole of the gap between the two scores, so if none of those matter to your agent the ranking above overstates the difference.

Why people look for an alternative

Plain fails mcp discoverable, 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, agent-compatible signup flow, programmatic credential creation, free trial or free allowance, fast time to first request, copyable quickstart, cli available, mcp integration available, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified. Each one is a place an unattended run stops, which is usually what sends someone looking in the first place.

What this category actually supports

Across the 8 products scored in Queues & Background Jobs, enqueue a background job is offered by 100%.

An agent can get this list directly: resolve("alternative to Plain") over the MCP server, or GET /v1/categories/queues.