Alpaca Guard runs on your own machine — the client starts it, so there is no endpoint to ping. 35 installs a week from npm. Last commit 17 Jun 2026.
Alpaca trading API with hard daily USD cap guard. Paper trading default; live opt-in.
We read the source, 23 h ago · rules 3dff92dd89df
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
пакет alpaca-guard-mcp ссылается на evidai/lemon-cake
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add alpaca-guard -- npx -y alpaca-guard-mcp
{
"mcpServers": {
"alpaca-guard": {
"args": [
"-y",
"alpaca-guard-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.alpaca-guard]
command = "npx"
args = ["-y", "alpaca-guard-mcp"]
{
"mcpServers": {
"alpaca-guard": {
"args": [
"-y",
"alpaca-guard-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"alpaca-guard": {
"args": [
"-y",
"alpaca-guard-mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
ALPACA_API_KEY (Alpaca API key. Leave unset for paper trading mode.), ALPACA_SECRET_KEY (Alpaca secret key.).
The author declared them in the registry entry; get the values from the project itself.
Buy/sell tokenized US stocks (Dinari dShares) in USDC. Daily USD cap guard. Sandbox default.
Live XAUUSD/BTCUSD trading signals, priced in USD, payable by AI agents via crypto (x402).
Buy tokenized US stocks (xStocks) on Solana via Jupiter DEX in USDC. Daily cap. Dry-run default.
Polymarket market data, live CLOB books, replay, simulation, and opt-in trading in Rust.
Live prices, perps, prediction markets and a paper trading desk over one MCP.
Daily EU card prices, deal detection and EU-vs-US arbitrage for 19 trading card games.
NorthData API for German company, owner, and financial data — with a built-in credit guard.
Agent payments, API key vaulting, and governed mandates. Agents spend within user-defined limits.
Answers built from our own checks of this server.