Route.
Jev, from TypeSafe, selects one of six routes.
Product / Ask
Ask in plain words.
Get the answer and its sources.
One call answers a question from your graph. The answer cites its rows, and the server checks the citations.
[01] In the console
From a question to cited rows.
A router selects the route. Then a model runs SPARQL in a bounded loop and answers.
The query comes with it.
The response holds the SPARQL and the rows behind the answer.
Bounded work.
At most 4 rounds and 12 steps. A question takes about 6 to 12 seconds.
Six routes.
Lookup, aggregate, search, history and schema. A sixth route marks a question unanswerable.
[02] Usage
Answers you can account for.
Calls, tokens and cost per day.
The Question answering page names the models behind the answers. It counts questions, calls, tokens and cost.
- Jev routes. Claude Sonnet 5.5 answers.
- Activity by day and by graph.
- A sample of answers goes to the judge.
[03] What is included
What the response holds.
An answer for your users, and the parts behind it for your code.
POST /v1/query/askThe answer, the query, its rows and the steps that led there.
mode: routeThe route alone, in about 0.3 seconds.
askStreamServer-sent events while the answer forms.
names · describe · compareTools for your own agent loop, with no model calls inside.
lbb_queryModes question, names, describe, commit_at and compare over MCP.
modelsTokens and cost per model, in the response.
[04] How it works
A route, a query loop, an answer.
Query.
Claude Sonnet 5.5 writes SPARQL and reads the rows, for up to 4 rounds.
Answer.
The answer cites rows. The server checks the citations against them.
[05] FAQ
Questions about Ask.
What does a question cost?
About 1 to 2 cents in model use. The response lists the tokens and the cost.
Is there a daily limit?
500 questions per environment per UTC day.
Can my agent use it?
Yes. Call lbb_query with mode question over MCP, or query.ask in the SDKs.
Which plans include Ask?
Cloud and Pro. Free includes search by meaning.
Next step