Compare

Selectpdf vs Weaviate

Weaviate scores higher on the AgentReady, 74/100 against 47/100. They differ on 12 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.

What each one is

Selectpdf. SelectPdf is a battle-tested HTML to PDF toolkit providing a .NET Library for self-hosted embedding and a REST API for any language.

Weaviate. Weaviate is an open-source, AI vector database designed to store and index both data objects and their vector embeddings, enabling advanced semantic search capabilities.

Where Selectpdf is ahead

Selectpdf passes authentication documented, and Weaviate does not. That is understand, whether an agent can read the docs and work out how the API behaves before calling it.

Where Weaviate is ahead

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

It also holds understand: structured api reference, errors and status codes documented and limits / constraints documented. Selectpdf misses those.

And on adopt, programmatic credential creation, cli available and mcp integration available. Selectpdf misses those.

Finally, on operate, machine-readable errors, idempotency support and rate-limit behavior predictable. Selectpdf misses those.

What neither does

Both fail openapi / spec quality, request examples provided, response examples provided, no mandatory sales call, agent-compatible signup flow, structured, predictable output, retry behavior documented, observable execution, 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. Weaviate leads 100 to 80. Selectpdf misses llms-full.txt / full agent docs, mcp discoverable; Weaviate misses nothing.

Understand is whether an agent can read the docs and work out how the API behaves before calling it. Weaviate leads 62 to 31. Selectpdf misses structured api reference, openapi / spec quality, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; Weaviate misses openapi / spec quality, authentication documented, request examples provided, response examples provided.

Adopt. Weaviate leads 80 to 52. Selectpdf misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, cli available, mcp integration available; Weaviate misses no mandatory sales call, agent-compatible signup flow.

Operate. Weaviate leads 53 to 24. Selectpdf misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, agent compatibility verified; Weaviate misses structured, predictable output, retry behavior documented, observable execution, agent compatibility verified.

Pricing

Selectpdf starts at $19/mo and has a free tier. Weaviate does not publish one and has a free tier.

Signal by signal

Which to pick

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

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