MCP server
by paperinvest
Experience realistic stock trading with Paper Invest, the advanced stock trading simulator for authentic stock market si
Enables realistic paper trading simulations through an API, allowing you to practice trading with authentic market conditions including slippage and partial fills across 22 broker platforms.
Paper Invest is an official MCP server published by paperinvest that provides AI assistants with tools and capabilities via the Model Context Protocol. Experience realistic stock trading with Paper Invest, the advanced stock trading simulator for authentic stock market si It is categorized under finance.
You can install Paper Invest in your AI client of choice. Use the install panel on this page to get one-click setup for Cursor, Claude Desktop, VS Code, and other MCP-compatible clients. This server runs locally on your machine via the stdio transport.
MIT
Paper Invest is released under the MIT license. This is a permissive open-source license, meaning you can freely use, modify, and distribute the software.
Add new capabilities to Claude beyond text generation
Example
Access external data sources, execute code, interact with tools and services
Transform Claude from chatbot to action-taking agent
Provide Claude with access to relevant context and data
Example
Load project documentation, access knowledge bases, query databases
Get more accurate, context-aware responses
Automate multi-step workflows combining AI and external tools
Example
Research → Summarize → Create document → Send notification
Complete complex tasks end-to-end without manual steps
Share your MCP server with the developer community
Strong directory entry: Paper Invest surfaces stars and publisher context so we could sanity-check maintenance before adopting.
Paper Invest is a well-scoped MCP server in the explainx.ai directory — install snippets and categories matched our Claude Code setup.
Strong directory entry: Paper Invest surfaces stars and publisher context so we could sanity-check maintenance before adopting.
Useful MCP listing: Paper Invest is the kind of server we cite when onboarding engineers to host + tool permissions.
Paper Invest reduced integration guesswork — categories and install configs on the listing matched the upstream repo.
We evaluated Paper Invest against two servers with overlapping tools; this profile had the clearer scope statement.
Paper Invest is among the better-indexed MCP projects we tried; the explainx.ai summary tracks the official description.
We wired Paper Invest into a staging workspace; the listing’s GitHub and npm pointers saved time versus hunting across READMEs.
Paper Invest reduced integration guesswork — categories and install configs on the listing matched the upstream repo.
I recommend Paper Invest for teams standardizing on MCP; the explainx.ai page compares cleanly with sibling servers.
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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.
<a href="https://glama.ai/mcp/servers/@paperinvest/mcp-server"> <img width="380" height="200" src="https://glama.ai/mcp/servers/@paperinvest/mcp-server/badge" alt="Paper Server MCP server" /> </a>
# 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.
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
File: ~/.cursor/mcp.json
{
"mcpServers": {
"paper": {
"command": "paper-mcp-server",
"env": {
"PAPER_API_KEY": "your_api_key"
}
}
}
}
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"
}
}
}
}
paper.quote(symbol) — Get real-time NBBO quote for a symbolpaper.quotesBatch(symbols[]) — Get quotes for multiple symbols in one requestpaper.order({ ... }) — Place a simulated order (market/limit/stop, etc.)paper.portfolio(id) — Retrieve portfolio positions and P&LSee more tools and examples in the repository and on the MCP landing: https://paperinvest.io/mcp
Configs and demo scripts are in examples/:
examples/.cursor/mcp.json — Cursor integrationexamples/claude/claude_desktop_config.json — Claude integrationexamples/scripts/get-quote.sh — Example prompt to fetch a quoteexamples/scripts/place-order.sh — Example prompt to place an orderpaper-mcp-server is in your PATH (npm prefix -g may help).PAPER_API_KEY is set in the same environment as your client.https://api.paperinvest.io.For support, visit paperinvest.io or email support@paperinvest.io
MIT © Paper Invest, Inc.
Prerequisites
Time Estimate
15-60 minutes depending on server complexity
Steps
Troubleshooting
✓ Do
✗ Don't
💡 Pro Tips
Architecture
Model Context Protocol standardizes how AI hosts (Claude, Cursor) communicate with external tools and data sources through server implementations.
Protocols
Compatibility
✓ Use when
Use when you need Claude to access external data, execute actions, or integrate with tools. Best for extending AI capabilities beyond conversation.
✗ Avoid when
Avoid when native integrations exist (use official APIs directly), for real-time critical systems, or when security/compliance requires zero external dependencies.