MCP.Market

Veyline by Payload MCP server

by payload-tools·io.github.payload-tools/veyline-mcp·v1.1.0
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Veyline by Payload: agent entitlement and usage reads, signed payment preflights. No funds move.

B78/100grade B
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B78/100

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If you have run it, two minutes of your experience saves the next person an afternoon.

Veyline by Payload tools

No tool declarations could be read from the package source. They show once the server is installed.

Not scanned yet. New listings are scanned within a day or two of arriving.

How Veyline by Payload compares

Against every graded Finance MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
78/100
higher than 62% of 1,761 Finance servers

Release history: 2 versions in the registry since 2026-10-13, latest 2026-10-16, typically one every 3 days.

Install Veyline by Payload in Claude Code, Cursor or VS Code

The registry entry has no remote endpoint or installable package.

What the publisher says

From the Veyline by Payload repository's README, as published. We do not edit it. Read it on GitHub

<!-- mcp-name: io.github.payload-tools/veyline-mcp -->

Veyline by Payload — MCP Server

An MCP server (stdio transport, Node.js standard library only, zero dependencies) that exposes Veyline, Payload's flagship noncustodial authorization layer, to AI agents.

Veyline decides whether an agent payment may proceed, under policy, before any wallet signs. This server wraps the Payload rail's Veyline A2A skills as MCP tools. Every tool call goes to the live Payload rail (https://payload-rail.fly.dev) authenticated with your own rail API key, for your own existing Veyline organization.

Tools

Install

Via Smithery

Listed on Smithery as kyler-simmons-partners/veyline, or install the MCPB bundle from this repo (veyline.mcpb) in any MCPB-compatible client.

From source

git clone https://github.com/Payloadhq/veyline-mcp
cd veyline-mcp
node mcp/index.js

Or run it straight from GitHub with npx:

npx -y github:Payloadhq/veyline-mcp

MCP client configuration (stdio):

{
  "mcpServers": {
    "veyline": {
      "command": "node",
      "args": ["/path/to/veyline-mcp/mcp/index.js"],
      "env": {
        "PAYLOAD_RAIL_API_KEY": "your-rail-api-key"
      }
    }
  }
}

Configuration

Fail-closed: with no API key configured, the server still starts and lists its tools, and every tool call returns a clear API key not configured error. Nothing is ever sent anywhere without your key, and the key never leaves your machine except as the Authorization header to the rail.

Notes

  • A preflight is an authorization check, not a payment: it never moves funds.
  • You need an existing Veyline organization on the Payload rail for the tools to return data.

License

MIT — see LICENSE.

Veyline is the flagship product of Payload. See also callx402 by Payload, the MCP client layer for x402-priced actions.

Nothing above is checked by us. What we check is on the safety report.

Veyline by Payload: common questions

Is Veyline by Payload MCP server safe?
Mostly: it is graded B (78/100). Read the Veyline by Payload safety report
Does Veyline by Payload need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Veyline by Payload maintained?
The last commit was 22 days ago (2026-10-13). The latest release is v1.1.0.
What can I use instead of Veyline by Payload?
Servers from other publishers that do the same job: three.ws Agent Payments MCP server, Yolfi Payments MCP server and X402 List MCP server.

Alternatives to Veyline by Payload

Same job from other publishers: the closest match first, then the best rated.

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