How do I install assay?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 50 (Fair). The formula is published on the methodology page.

MCPpedia

assay MCP Server — Install for Claude, Cursor & VS Code | MCPpedia

assay MCP Server

Name: assay MCP Server
Author: jasonczmeng

x402 service-quality oracle: check a service's paid-probe quality tier and score before paying it.

Tools Versions Alternatives

Registryjasonczmeng

50Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "jasonczmeng-assay": {
      "command": "npx",
      "args": [
        "-y",
        "assay-oracle-mcp@0.2.0"
      ],
      "env": {
        "ASSAY_URL": "",
        "ASSAY_WALLET_KEY": "YOUR_ASSAY_WALLET_KEY"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
ASSAY_URL	No	Assay instance to query (default: https://assay.nominal-labs.com)
ASSAY_WALLET_KEY	No	Optional Base wallet private key; when set, get_score auto-purchases full reports ($0.005, hard-capped 0.01 USDC/call) Secret.

assay MCP Server

Install

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