io.github.3esign/psychosynth MCP Server

Name: io.github.3esign/psychosynth MCP Server
Author: io.github.3esign

io.github.3esign/psychosynth

Repository Registry

What is the io.github.3esign/psychosynth MCP server?

Psychometric data marketplace: Big Five profiles, cognitive biases & behavioral data via x402.

How to install io.github.3esign/psychosynth

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

PSYCHOSYNTH_API_URL
Base URL of the Psychosynth API deployment (e.g. https://your-app.vercel.app). Defaults to http://localhost:3000 for local development.
BUYER_PRIVATE_KEY
secret
Base (EVM) wallet private key used to pay for queries via x402. Omit to use only the free catalog, preview, and quote tools.
BASE_RPC_URL
Optional custom Base mainnet RPC endpoint. Defaults to https://mainnet.base.org.

Claude Desktop

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

{
  "mcpServers": {
    "psychosynth": {
      "command": "npx",
      "args": [
        "-y",
        "psychosynth-mcp"
      ],
      "env": {
        "PSYCHOSYNTH_API_URL": "<YOUR_PSYCHOSYNTH_API_URL>",
        "BUYER_PRIVATE_KEY": "<YOUR_BUYER_PRIVATE_KEY>",
        "BASE_RPC_URL": "<YOUR_BASE_RPC_URL>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "psychosynth": {
      "command": "npx",
      "args": [
        "-y",
        "psychosynth-mcp"
      ],
      "env": {
        "PSYCHOSYNTH_API_URL": "<YOUR_PSYCHOSYNTH_API_URL>",
        "BUYER_PRIVATE_KEY": "<YOUR_BUYER_PRIVATE_KEY>",
        "BASE_RPC_URL": "<YOUR_BASE_RPC_URL>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "psychosynth": {
      "command": "npx",
      "args": [
        "-y",
        "psychosynth-mcp"
      ],
      "env": {
        "PSYCHOSYNTH_API_URL": "<YOUR_PSYCHOSYNTH_API_URL>",
        "BUYER_PRIVATE_KEY": "<YOUR_BUYER_PRIVATE_KEY>",
        "BASE_RPC_URL": "<YOUR_BASE_RPC_URL>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "psychosynth": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "psychosynth-mcp"
      ],
      "env": {
        "PSYCHOSYNTH_API_URL": "<YOUR_PSYCHOSYNTH_API_URL>",
        "BUYER_PRIVATE_KEY": "<YOUR_BUYER_PRIVATE_KEY>",
        "BASE_RPC_URL": "<YOUR_BASE_RPC_URL>"
      }
    }
  }
}

Claude Code

claude mcp add psychosynth --env PSYCHOSYNTH_API_URL=<YOUR_PSYCHOSYNTH_API_URL> --env BUYER_PRIVATE_KEY=<YOUR_BUYER_PRIVATE_KEY> --env BASE_RPC_URL=<YOUR_BASE_RPC_URL> -- npx -y psychosynth-mcp