Evaluation infrastructure you can touch
Eight small products.
One verifier core.
Audit declared eval exposure, compare model versions item by item, diagnose a bank, constrain a Markdown patch, hunt graph counterexamples, inspect memory relevance, and replay agent events—without loading Whetstone's private examiner bank.
No accountsNo cookiesNo upload persistenceNo private bank on server
Public-demo boundary. Use disposable or sanitized inputs here. A real private exam belongs in the local CLI or a deployment you control.
Receipts, not slogans
The mechanisms were measured before they were wrapped.
—loading receipt evidence
Choose a surface
Run a real mechanism on your own disposable data.
01
Whetstone Inspector
Drop files here
or click to choose JSON / JSONL
Load the verified sample, replace it with sanitized data, then run.
RECEIPT
Waiting for a run
◇
The result will stay here while you inspect the item-level evidence and download the JSON receipt.
Complete JSON receipt
The serious deployment
Keep the exam where the model cannot see it.
The hosted tools are stateless demonstrations. Whetstone's CLI, MCP server, ACP candidate adapter, and localhost service keep private items inside your trust boundary and emit the same audit-shaped decisions.
whetstone gate --baseline v1 --candidate v2
# exit 0 PASS · 2 HOLD · 3 BLOCK