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MCP server · Developer Tools

Paper

by · github.com/paperinvest/mcp-server

Official MCP server for Paper's trading platform - enables AI assistants to interact with Paper's API

Unclaimed MIT last commit a year ago aiai-assistantsclaudefinancedevtoolsmcp-clientmcp-servermodel-context-protocolmcp
InstallView source
67Good

Scored 5 months ago · breakdown

About Paper

Paper is an MCP server published by paperinvest in the Developer Tools category: official MCP server for Paper's trading platform - enables AI assistants to interact with Paper's API.

The repository has 24 stars and 4 forks, with the last commit a year ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

From source
git clone https://github.com/paperinvest/mcp-server

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

Ask AI

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Ask AI about Paper

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I know everything about Paper. Ask me about installation, configuration, usage, or troubleshooting.

Security checks

Static checks derived from the repository 2 hours ago. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • ✓License declaredUsable under a stated license.
  • ✓Tests presentA test suite exists in the repository.
  • ✓Dependencies pinnedA lockfile pins dependency versions.
  • ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

README

Paper MCP Server (@paperinvest/mcp-server)

npm version npm downloads license

Official Model Context Protocol (MCP) server for Paper's trading platform. Lets AI coding assistants (Cursor, Claude, etc.) interact with the Paper Trading API to fetch quotes, place paper orders, and inspect portfolios.

Install

# Global install (recommended for CLI usage)
npm i -g @paperinvest/mcp-server

# Or run with npx
npx @paperinvest/mcp-server --help

Node.js 16+ recommended.

Configure

Set your Paper API credentials via environment variables (shell or .env).

export PAPER_API_KEY=your_api_key
# Optional override
export PAPER_API_BASE_URL=https://api.paperinvest.io

IDE Integrations

Cursor

File: ~/.cursor/mcp.json

{
  "mcpServers": {
    "paper": {
      "command": "paper-mcp-server",
      "env": {
        "PAPER_API_KEY": "your_api_key"
      }
    }
  }
}

Claude Desktop

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

Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "paper": {
      "command": "paper-mcp-server",
      "env": {
        "PAPER_API_KEY": "your_api_key"
      }
    }
  }
}

Tools Reference

  • paper.quote(symbol) — Get real-time NBBO quote for a symbol
  • paper.quotesBatch(symbols[]) — Get quotes for multiple symbols in one request
  • paper.order({ ... }) — Place a simulated order (market/limit/stop, etc.)
  • paper.portfolio(id) — Retrieve portfolio positions and P&L

See more tools and examples in the repository and on the MCP landing: https://paperinvest.io/mcp

Examples

Configs and demo scripts are in examples/:

  • examples/.cursor/mcp.json — Cursor integration
  • examples/claude/claude_desktop_config.json — Claude integration
  • examples/scripts/get-quote.sh — Example prompt to fetch a quote
  • examples/scripts/place-order.sh — Example prompt to place an order

Getting Started

  1. Sign up at app.paperinvest.io
  2. Generate an API key from your account settings
  3. Add the configuration above with your API key
  4. Restart Claude Desktop or Cursor

Troubleshooting

  • Ensure paper-mcp-server is in your PATH (npm prefix -g may help).
  • Verify PAPER_API_KEY is set in the same environment as your client.
  • Restart Cursor/Claude after changing config.
  • Check connectivity to https://api.paperinvest.io.

Links

Support

For support, visit paperinvest.io or email support@paperinvest.io

License

MIT © Paper Invest, Inc.

README fetched from the repository 2 hours ago. The original is authoritative.

Questions

About Paper

How do I install Paper?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Paper safe to use with an AI agent?

Its trust score is 67 out of 100 (good). It passes 5 of the 6 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Paper still maintained?

The last commit was a year ago and 1 open issues. That's long enough that you should check whether the maintainer is responding to issues before depending on it.