jevcrawl vs Olostep

jevcrawl

Three compact, typed MCP tools return verbatim passages with source URLs, cost and stop reasons, and errors arrive as codes with instructions. The project is three days old and alpha, it depends on TypeSafe's paid Jev API, which is in early access with no free tier found, and it does not block crawls of private or local addresses.

Olostep

OpenAPI 3.0.3 for every endpoint and a structured error body. The x402 challenge came back with no payment requirements in our probe.

jevcrawl

1. Phrase goal as one specific question and start with max_pages between 10 and 30
2. Check stats.stopped_because and stats.degraded, and read uncertain before reporting that something is missing
3. Use scrape without a goal when you need a whole page, since it makes no paid Jev call and needs no key
4. Handle {"error": code, "message": ...} results, for example auth_error means TYPESAFE_API_KEY is missing or rejected
5. Pages in stats.needs_js_urls were not read. Tell the user rather than guessing their content

Olostep

1. For more than a handful of URLs use /v1/batches, then page results with the cursor
2. Pass storage.expires_in if you need results after about 7 days
3. Don't ask for json output without a parser or an llm_extract schema
4. Hosted MCP wants Authorization: Bearer, stdio wants OLOSTEP_API_KEY. Mixing them up shows 0 tools
5. Check the 402 body before paying over x402. Our probe got an empty one