Priors

Name: Priors
Author: priors-agents

Community

MCP server by priors-agents · updated 5 days ago · ★ 5 · 829 downloads a week

Score 81

Pay x402 APIs in USDG on Robinhood Chain, borrow and repay a Priors credit line, check records. Priors is a community project by priors-agents, not verified by a company domain.

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Works withClaude Code Claude Desktop Cursor Codex Gemini CLI VS Code Windsurf Antigravity CLI

Maintenance

Last commit 5 days ago

Licence

MIT: permissive, fine for commercial use

Quality

Clear description, published package or server URL, original repository

Security

No risky patterns in the files we checked

What you need

Setting	Needed	What it is
`PRIORS_KEY`Environment variable, secret	Optional	Private key of a dedicated agent wallet on Robinhood Chain; without it (or PRIORS_KEY_FILE) only the read-only tools work
`PRIORS_KEY_FILE`Environment variable	Optional	Absolute path (or ~/) of a file holding the agent wallet's key, read only when nobody but the user can read it; instead of PRIORS_KEY
`PRIORS_AGENT_ID`Environment variable	Optional	The wallet's Priors (ERC-8004) agent id, when it cannot be looked up
`PRIORS_MAX_PRICE_USD`Environment variable	Optional	Most one x402 call may cost (default 1.00)
`PRIORS_MAX_SPEND_USD`Environment variable	Optional	Most x402 payments may total while the server runs (default 5)
`PRIORS_MAX_BORROW_USD`Environment variable	Optional	Most one loan may be (default 25)
`PRIORS_MAX_SPEND_DAY_USD`Environment variable	Optional	Most x402 payments may total per UTC day for the agent, across restarts (needs PRIORS_AGENT_ID)
`PRIORS_MAX_BORROW_DAY_USD`Environment variable	Optional	Most the agent may borrow per UTC day, across restarts (needs PRIORS_AGENT_ID; 0 turns borrowing off)
`PRIORS_PAY_HOSTS`Environment variable	Optional	Comma-separated exact hosts pay_url may pay; any other URL is refused before a request

From the publisher's entry in the official MCP Registry. Required settings are already in the install config below as placeholders.

Install Priors

Built from the published package, never by AI

claude mcp add priors -- npx -y @priors/mcp

Run in your terminal. Add --scope user to use it in every project.

Step-by-step: install Priors in Claude Code

{
  "mcpServers": {
    "priors": {
      "command": "npx",
      "args": [
        "-y",
        "@priors/mcp"
      ]
    }
  }
}

Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.

Step-by-step: install Priors in Claude Desktop

{
  "mcpServers": {
    "priors": {
      "command": "npx",
      "args": [
        "-y",
        "@priors/mcp"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).

Step-by-step: install Priors in Cursor

{
  "servers": {
    "priors": {
      "command": "npx",
      "args": [
        "-y",
        "@priors/mcp"
      ]
    }
  }
}

Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".

Step-by-step: install Priors in VS Code

codex mcp add priors -- npx -y @priors/mcp

Step-by-step: install Priors in Codex

{
  "mcpServers": {
    "priors": {
      "command": "npx",
      "args": [
        "-y",
        "@priors/mcp"
      ]
    }
  }
}

Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).

Step-by-step: install Priors in Antigravity CLI

gemini mcp add priors npx -y @priors/mcp

Gemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.

Step-by-step: install Priors in Gemini CLI

MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the priors block.

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Security check

No download-and-run commands, hidden instructions or signs of sending keys out were found.

Checked automatically: README.md, package.json. This looks for known risky patterns and is not a full audit. How grades work

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Priors: common questions

How do I install Priors?

In Claude Code run claude mcp add priors -- npx -y @priors/mcp. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.

Is Priors the official server?

Priors is a community project by priors-agents, not verified by a company domain.

Is Priors free?

The code is published under the MIT licence. The service it connects to may have its own pricing.

Is Priors safe to use?

It scores 81 of 100. Grades: maintenance A, licence A, quality C. Security check: grade A, no risky patterns found in the files checked. Review the code before you install. How grades work.

What are alternatives to Priors?

Does Priors work with ChatGPT?

Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.