For MCP developersPut identity and policy in front of every MCP tool call

Connect MCP clients and servers through one runtime. Give agents useful tools while keeping access scoped, visible, and controllable.

  • Powerful inference through one runtime
  • Ready-to-use tools and integrations
  • Managed credentials and scoped access
  • Policies, approvals, and audit trails

MCP tools, connected and controlled

Scope every MCP connection

Give MCP clients access to the tools they need without passing credentials through prompts or leaving permissions undefined.

One runtime for your tools

Connect hosted and self-managed MCP servers through a consistent interface with clear schemas, connections, and execution controls.

Policy before every tool call

Allow, deny, rewrite, redact, or pause MCP actions before they reach the connected system.

Plans for building with MCP

Free

$0

Try it free without a credit card.

What's Included

Every call guardrailed, reviewed, and logged

Managed OAuth - zero leaked credentials

Generous frontier model usage, on us

Top-tier models in Fast mode

Community support included

1 concurrent session

Builder

Popular

$20

The secure solo-founder stack

What's Included

Everything in Free, and then some

The same ironclad guardrails and audit log, always

$40+ of AI usage every month

Fast, Core, and Power modes, hundreds of millions of tokens a month

No automatic overages - cancel anytime

2 concurrent sessions

Pro

$50

For teams running agents in production.

What's Included

Everything in Builder, plus team runtime capacity

Human approval, audit history, and replay

Larger included inference allowance

Fast, Core, and Power modes

Up to 5 team members with priority support

4 concurrent sessions

Max

$200

For heavier workloads, larger projects, and advanced usage.

What's Included

Everything in Pro, zero compromises

Self-hosted MCP, redaction, and egress policy - security, your way

$400+ of AI usage every month

1B+ frontier tokens every month

First access to new enterprise and team features, plus priority on your feature requests

8 concurrent sessions

Enterprise

Run the same runtime in your cloud, your VPC, on-prem, or air-gapped, with data residency and the controls larger teams ask for.

Build with MCP. Run with control.

Protected access. Agents act within the permissions assigned to the user and the agent. Credentials are resolved at execution time and kept out of prompts, model context, and application logs.

Tools that agents can use. Connect agents to code, files, cloud resources, APIs, and business systems through ready-to-use tools and standard MCP interfaces. Bring your own tools or use Warden9-hosted integrations.

Controls that run. Allow, deny, rewrite, redact, or pause actions before they run. Route sensitive calls to a person for approval and keep the request, decision, result, and identity in the audit history.

The complete MCP execution layer

01

01

Run capable models and agent workloads through one managed runtime.

02

02

Connect tools, code, files, cloud accounts, and business systems in one place.

03

03

Apply permissions, policies, approvals, and audit history around important actions.

Frequently Asked Questions

What is the Warden9 runtime, and what does it run for me?

Do I have to run my own servers and model?

How does access work for the actions an agent takes?

Can I add my own policies and human approval?

What is in the hosted tool catalog?

Which models can I use, and am I locked in?

Does Warden9 work with my IDE and agent framework?

Can I self-host or run it in my own cloud?

Give your MCP clients the access they need—with control built in