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Vouchwell

Prove what agents did

Your agents spend money, send mail and touch customer data. When something goes wrong, “our logs say it didn't” is not an answer, because logs are a text file anyone can edit.

Vouchwell makes every agent action policy-gated before it runs and cryptographically provable afterwards. Wrap any MCP server with one line of config and every decision — allowed, blocked or escalated to a human — lands in an append-only log that an outside party can verify.

Who it’s for: Teams putting AI agents in front of money, customers or production systems.

What it does

Policy before action

Budgets, blocked patterns and human approvals checked before a tool call runs.

Tamper-evident receipts

Edits, deletions, re-signing and truncation are all detectable.

One-line integration

Wrap an MCP server in the proxy; no code changes.

Team hub

Shared policy, an approvals inbox and tenant isolation for the whole org.

Independent witnesses

Outside parties co-sign checkpoints, so a hosted log is worth believing.