MCP server · Security
Verax MCP server
by verax-ai
Adds a policy gate and signed audit trail between your AI and its tools, with approvals for risky actions.
Verax is a helper program that sits between your AI assistant and the tools it uses. Before any tool call runs, Verax checks it against rules you set, and it writes a signed record of what was asked and what happened. It is handy for anyone who wants a clear, tamper-evident log of what their AI did and a way to stop risky actions like payments.
What is an MCP server? The 30-second version
On its own, your AI can only chat. An MCP server is a small helper program that gives your AI a new skill or a connection to an app or service. Verax is an MCP server that connects your AI to a policy gate and an audit ledger, so every tool call is checked against rules and recorded before it runs. You ask your AI to do something, and Verax decides whether to allow it, refuse it, or hold it for your approval.
What this MCP server does
You ask your AI to do something, like send a message or spend money. Your AI sends that request to Verax. Verax checks the request against the rules you set. If the rules allow it, Verax lets the call run and writes a signed record. If the rules refuse it, Verax blocks the call and still writes a signed record. If the rules cannot decide, Verax holds the call until you approve it on the same machine.
What you can do with it
- Allow or refuse tool calls based on rules you write
- Hold risky calls like payments until you approve them
- Write a signed record of every decision, including refusals
- Read back the ledger offline to check it was not changed
- Halt all future calls with one command if something goes wrong
- Reconcile what actually happened against the records
- Mask sensitive data when used with a downstream server like Conarium
Try asking your AI
- “Send an email to ops@blocked.test”
- “Spend 100 minor USD at sample-merchant”
- “Write this note to memory and read it back”
- “Explain why the last message send was refused”
What it gives back to you
You get a short answer in the chat: allowed, refused, or held. For refusals you also get a reference number you can look up later. If you ask for an explanation, Verax tells you which rule applied and shows the signed record. You can also run a separate command to read the whole ledger and see every decision and effect.
Before you start
What you need
- Node.js 22.6 or newer
- The @verax-ai/body package from npm
- An administrator account on your machine to install and approve
- A terminal to answer approval questions
Good to know
Verax can hold or refuse actions and writes a permanent signed record of everything, so make sure your rules are correct before you rely on it.
Install it with your AI
Add Verax MCP server to your AI, no technical skills needed
You don't install anything by hand. You copy one prompt, paste it into an AI that can work on your computer, and it checks, installs and connects the server for you, asking you when it needs something.
Sign in to get the install prompt
Members get a ready-made prompt that lets the Claude desktop app check Verax MCP server, install it and connect it for them, step by step. You don't need any technical skills: you copy, paste and answer a few questions. Your connected AI can also find and install any of the 4,609 MCP servers here for you.
Who it's for
Anyone who lets an AI assistant use tools and wants a clear, signed record of what it did, especially people handling payments or sensitive actions.
