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Psychometric data marketplace: Big Five profiles, cognitive biases & behavioral data via x402.
io.github.3esign/psychosynth is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 67/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding io.github.3esign/psychosynth to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
npx -y psychosynth-mcp@0.1.3Review the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-07-22T14:40:54.083015Z",
"publishedAt": "2026-07-22T14:40:54.083015Z",
"statusChangedAt": "2026-07-22T14:40:54.083015Z"
}
},
"server": {
"name": "io.github.3esign/psychosynth",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"version": "0.1.3",
"packages": [
{
"version": "0.1.3",
"transport": {
"type": "stdio"
},
"identifier": "psychosynth-mcp",
"registryType": "npm",
"environmentVariables": [
{
"name": "PSYCHOSYNTH_API_URL",
"description": "Base URL of the Psychosynth API deployment (e.g. https://your-app.vercel.app). Defaults to http://localhost:3000 for local development."
},
{
"name": "BUYER_PRIVATE_KEY",
"isSecret": true,
"description": "Base (EVM) wallet private key used to pay for queries via x402. Omit to use only the free catalog, preview, and quote tools."
},
{
"name": "BASE_RPC_URL",
"description": "Optional custom Base mainnet RPC endpoint. Defaults to https://mainnet.base.org."
}
]
}
],
"repository": {
"url": "https://github.com/3esign/psychosynth.git",
"source": "github"
},
"description": "Psychometric data marketplace: Big Five profiles, cognitive biases & behavioral data via x402."
}
}