Heap vs Mixpanel
Mixpanel scores higher on the AgentReady, 60/100 against 42/100. They differ on 10 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.
What each one is
Heap. Heap is a digital analytics platform that automatically captures every user interaction to help companies understand customers' end-to-end journeys, improve conversion and activation, increase retention, and deliver great user experiences.
Mixpanel. Product intelligence platform for the AI era that helps teams understand customers and make data-driven decisions.
Where Heap is ahead
Heap passes fast time to first request and copyable quickstart, and Mixpanel does not. That is adopt, whether an agent can get a key and make its first successful call without a human in the loop.
Where Mixpanel is ahead
Mixpanel passes public docs discoverable, llms.txt published, llms-full.txt / full agent docs and mcp discoverable, and Heap 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, cli available and mcp integration available. Heap misses those.
And on operate, structured, predictable output. Heap misses it.
What neither does
Both fail structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, no mandatory sales call, programmatic credential creation, 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 is whether an agent can find the product at all without being told it exists. Mixpanel leads 100 to 60. Heap misses public docs discoverable, llms.txt published, llms-full.txt / full agent docs, mcp discoverable; Mixpanel misses nothing.
Understand. Both sit at 23/100 here. Heap misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Mixpanel misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.
Adopt. Mixpanel leads 70 to 50. Heap misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, cli available, mcp integration available; Mixpanel misses no mandatory sales call, programmatic credential creation, fast time to first request, copyable quickstart.
Operate. Mixpanel leads 47 to 35. Heap misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified; Mixpanel misses machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.
Pricing
Heap does not publish a machine-readable starting price and has a free tier. Mixpanel starts at $0/mo and has a free tier.
| Heap plans | Mixpanel plans |
|---|---|
| Free $0 | Free Free forever |
| Growth Custom | Growth Starts at $0 |
| Pro Custom Session Pricing | - |
| Premier Custom Session Pricing | - |
Signal by signal
| Signal | Heap | Mixpanel |
|---|---|---|
| AgentReady | 42 | 60 |
| Discovery | 60 | 100 |
| Understanding | 23 | 23 |
| Adoption | 50 | 70 |
| Operability | 35 | 47 |
| Public API | Yes | Yes |
| MCP server | No | Yes |
| OpenAPI spec | Unknown | Unknown |
| CLI | Unknown | Yes |
| llms.txt | Unknown | Yes |
| Self-serve signup | Yes | Yes |
| Free tier | Yes | Yes |
Which to pick
Mixpanel clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Heap and Mixpanel. Alternatives to each: Heap, Mixpanel.
An agent can fetch this as data: POST /v1/compare {"slugs": ["heap", "mixpanel"]}