Toll Warden MCP Server

A payment security firewall for x402 - screen every micropayment before it settles. It runs locally over stdio via the published package.

People who work with Tollwarden and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-27 · ★ 2 · #111 OF 344 MAINTAINED FINANCE · VERIFIED 2026-09-30

NOASSERTION · TypeScript servers · how we verify → /methodology

01 · Install Toll Warden

before you install - you'll need

TOLLWARDEN_API_KEY is optional or environment-specific per the README.

Claude Code

claude mcp add tollwarden-tollwarden -- npx -y tollwarden

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "tollwarden-tollwarden": {
      "command": "npx",
      "args": [
        "-y",
        "tollwarden"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license no standard license detected - usage rights unclear; check the repo before commercial use

npm package tollwarden - unscoped; check the name against the project README before installing

registry vendor namespace com.tollwarden - domain-verified with the official MCP registry

03 · Who maintains Toll Warden

TollWarden is maintained by tollwarden. It's the only MCP server we track from this author; the repo dates to Jul 2026.

04 · Facts

repository: github.com/tollwarden/tollwarden
website: https://tollwarden.com/
category: finance - ranked #111 of 344 actively-maintained finance servers as of 2026-09-30.
registry: com.tollwarden/tollwarden (active, first published 2026-09-19 · 2 versions)
packages: npm:tollwarden

05 · Toll Warden FAQ

What is Toll Warden?

A payment security firewall for x402 - screen every micropayment before it settles. It runs locally over stdio via the published package.

Is Toll Warden still maintained?

Yes - as of 2026-09-30, its last commit was 2026-09-27. We re-verify nightly.

How do I install Toll Warden?

Run `npx -y tollwarden`. The README documents one environment variable (TOLLWARDEN_API_KEY) to set first. TOLLWARDEN_API_KEY is optional or environment-specific per the README. You can also paste the ready-made client config above.

Does Toll Warden run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

06 · Alternatives to Toll Warden

Alternatives to Toll Warden

Maintained finance servers if Toll Warden isn't the fit.

Pairs well with

Servers that cover what Toll Warden doesn't - only shown when the pairing reason fits the companion.

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