Massive Financial Data
An MCP server for Massive.com Financial Market Data
What is Massive Financial Data?
Massive Financial Data is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to mcp server for massive.com financial market data
An MCP server for Massive.com Financial Market Data
This server falls under the Finance & Fintech category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- An MCP server for Massive.com Financial Market Data
Use Cases
Maintainer
Works with
Installation
Manual Installation
npx mcp-massiveConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use Massive Financial Data
The Massive.com MCP server connects AI agents to the Massive.com financial market data API, providing access to real-time and historical stock prices, options data, cryptocurrency quotes, and built-in financial functions including Black-Scholes option pricing and technical indicators like SMA and EMA. It exposes three composable MCP tools — endpoint search, API execution, and SQL data querying — that let AI agents discover, fetch, and analyze financial data conversationally. A valid Massive.com API key is required to access the data.
Prerequisites
- Python 3.12 or later
- Astral UV (uv) version 0.4.0 or later installed
- A Massive.com account with an API key (obtain at massive.com)
- An MCP-compatible client such as Claude Desktop or Claude Code
Install the package using uv
Install mcp_massive directly from GitHub using uv tool install. This installs the mcp_massive binary into your UV tool path.
uv tool install "mcp_massive @ git+https://github.com/massive-com/[email protected]"Locate the installed binary
Find the full path of the mcp_massive binary — you will need this path for the MCP client configuration.
which mcp_massiveAdd to Claude Code via CLI
Register the server with Claude Code using the mcp add command, passing your Massive.com API key as an environment variable.
claude mcp add massive -e MASSIVE_API_KEY=your_api_key_here -- mcp_massiveOr configure Claude Desktop manually
Add the server to claude_desktop_config.json using the binary path found in step 2 and your MASSIVE_API_KEY.
{
"mcpServers": {
"massive": {
"command": "/path/to/mcp_massive",
"env": {
"MASSIVE_API_KEY": "your_api_key_here"
}
}
}
}Optional: tune memory limits
Set optional environment variables to control the in-memory SQLite database used for storing fetched financial data. Defaults are 50 tables and 50,000 rows per table.
export MASSIVE_MAX_TABLES=100
export MASSIVE_MAX_ROWS=100000Massive Financial Data Examples
Client configuration
Claude Desktop configuration for the Massive.com MCP server. Replace the command path with the output of `which mcp_massive` and insert your real API key.
{
"mcpServers": {
"massive": {
"command": "/Users/yourname/.local/bin/mcp_massive",
"env": {
"MASSIVE_API_KEY": "your_api_key_here"
}
}
}
}Prompts to try
Example prompts that use the three MCP tools: search_endpoints, call_api, and query_data.
- "Get the latest closing price for AAPL stock"
- "Calculate the 20-day SMA for AAPL over the last 3 months"
- "Compute Black-Scholes delta for a call option on TSLA with strike $250, expiry 30 days, volatility 0.4"
- "Show me the top 10 most active options contracts for SPY today"
- "Fetch BTC/USD price history for the past week and calculate its EMA"Troubleshooting Massive Financial Data
Authentication error: MASSIVE_API_KEY invalid or missing
Ensure the MASSIVE_API_KEY environment variable is set in the MCP server env block of your config, not as a global shell variable. The server reads the key only from its own environment.
mcp_massive binary not found after uv install
Add the UV tools bin directory to your PATH: `export PATH=$PATH:$(uv tool dir)/bin`. Run `uv tool list` to verify the package installed successfully.
SQL query against stored data returns empty results
Data must be fetched with call_api and stored before query_data can access it. Ask the agent to first fetch and store the dataset, then run the SQL query against the resulting table name.
Frequently Asked Questions about Massive Financial Data
What is Massive Financial Data?
Massive Financial Data is a Model Context Protocol (MCP) server that mcp server for massive.com financial market data It connects AI assistants to external tools and data sources through a standardized interface.
How do I install Massive Financial Data?
Follow the installation instructions on the Massive Financial Data GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.
Which AI clients work with Massive Financial Data?
Massive Financial Data works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is Massive Financial Data free to use?
Yes, Massive Financial Data is open source and available under the MIT license. You can use it freely in both personal and commercial projects.
Massive Financial Data Alternatives — Similar Finance & Fintech Servers
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TradingView
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Financial Datasets
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Stripe
★ 1.6kThe Stripe Model Context Protocol server allows you to integrate with Stripe APIs through function calling. This protocol supports various tools to interact with different Stripe services.
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Set Up Massive Financial Data in Your Editor
Choose your AI client for step-by-step setup instructions.
Quick Config Preview
Add this to your claude_desktop_config.json or .cursor/mcp.json
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