ASSISTANT GYM / LOCAL TOOLKIT / BETA

Check the work before passing it on.

Four small tools for the moment you need to review a bill or an assistant's reply. No account, API key or upload. Unzip once, open this file, and choose a tool.

Does the bill add up?

Type line items into the form or paste CSV. Check multiplication and totals with exact cents. Start with the sample to catch a $1 line error.

Open Bill Check

Manual numbers only. Does not verify receipt authenticity, tax policy or whether a charge is justified. Photo/PDF import is excluded.

What changed in the reply?

Paste before and after JSON replies. See added, removed and changed fields without writing an answer key.

Open Reply Compare

Differences are not mistakes. Arrays compare as whole ordered values. No permission or execution proof.

Did the answer follow your rules?

Supply expected fields and the assistant's JSON output. Find mismatches and selected action-risk flags.

Open Decision Audit

The tool cannot know whether your expected answer is right. Flags are limited text checks, not runtime safety.

What does the conversation claim?

Review a pasted JSON conversation for selected unsupported completion claims, money gates and model-label problems.

Open Assistant Audit

Labels come from the record. No flag means only these checks found nothing, not that the assistant is safe.

Paired-run review

Review saved before/after replies against supplied expected fields and export one local bundle. Replay only, not measured improvement.

Open paired-run review

Windows and a real desktop MCP host remain untested. The hosted API is a separate build from this offline toolkit.

Download offline toolkit 0.2.31

Try it in two minutes

Open Bill Check and click "Try sample with $1 errors". Inspect the wrong line and total, then download its check JSON. Try Reply Compare next. Each tool has its own sample and clear button.

All computation runs in your browser. Local report downloads are yours to keep. This toolkit does not send messages, pay, book, or call a model. Beta results are for review, not certification. Copyright Placid Lake LLC 2026.