Accesses Massive.com (formerly Polygon.io) financial market data for stocks, indices, forex, options and more.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add massive --env MASSIVE_API_KEY='<MASSIVE_API_KEY>' -- uv run mcp_massive~/.codex/config.toml
[mcp_servers.massive]
command = "uv"
args = ["run", "mcp_massive"]
env = { MASSIVE_API_KEY = "<MASSIVE_API_KEY>" }
# codex mcp add massive --env MASSIVE_API_KEY='<MASSIVE_API_KEY>' -- uv run mcp_massive~/.cursor/mcp.json
{
"mcpServers": {
"massive": {
"command": "uv",
"args": [
"run",
"mcp_massive"
],
"env": {
"MASSIVE_API_KEY": "<MASSIVE_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"massive": {
"type": "stdio",
"command": "uv",
"args": [
"run",
"mcp_massive"
],
"env": {
"MASSIVE_API_KEY": "<MASSIVE_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"massive": {
"command": "uv",
"args": [
"run",
"mcp_massive"
],
"env": {
"MASSIVE_API_KEY": "<MASSIVE_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"massive": {
"command": "uv",
"args": [
"run",
"mcp_massive"
],
"env": {
"MASSIVE_API_KEY": "<MASSIVE_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"massive": {
"command": "uv",
"args": [
"run",
"mcp_massive"
],
"env": {
"MASSIVE_API_KEY": "<MASSIVE_API_KEY>"
}
}
}
}Environment variables
MASSIVE_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.