Psychosynth MCP Server

Psychosynth is an MCP integration. Psychometric data marketplace: Big Five profiles, cognitive biases & behavioral data via x402.

Packages and local setup

The published npm package is psychosynth-mcp, version 0.1.3. Its declared MCP transport is stdio.

The package declares 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: 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..

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository. This profile uses version 0.1.3 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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