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Connect Runs on your machine
claude mcp add mcp -e SERP402_EVM_PRIVATE_KEY=<SERP402_EVM_PRIVATE_KEY> -e SERP402_SOLANA_PRIVATE_KEY=<SERP402_SOLANA_PRIVATE_KEY> -e SERP402_MAX_SPEND_USD=<SERP402_MAX_SPEND_USD> -e SERP402_ENDPOINT=<SERP402_ENDPOINT> -- npx -y [email protected]{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"SERP402_EVM_PRIVATE_KEY": "<SERP402_EVM_PRIVATE_KEY>",
"SERP402_SOLANA_PRIVATE_KEY": "<SERP402_SOLANA_PRIVATE_KEY>",
"SERP402_MAX_SPEND_USD": "<SERP402_MAX_SPEND_USD>",
"SERP402_ENDPOINT": "<SERP402_ENDPOINT>"
}
}
}
}{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"SERP402_EVM_PRIVATE_KEY": "<SERP402_EVM_PRIVATE_KEY>",
"SERP402_SOLANA_PRIVATE_KEY": "<SERP402_SOLANA_PRIVATE_KEY>",
"SERP402_MAX_SPEND_USD": "<SERP402_MAX_SPEND_USD>",
"SERP402_ENDPOINT": "<SERP402_ENDPOINT>"
}
}
}
}{
"servers": {
"mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"SERP402_EVM_PRIVATE_KEY": "<SERP402_EVM_PRIVATE_KEY>",
"SERP402_SOLANA_PRIVATE_KEY": "<SERP402_SOLANA_PRIVATE_KEY>",
"SERP402_MAX_SPEND_USD": "<SERP402_MAX_SPEND_USD>",
"SERP402_ENDPOINT": "<SERP402_ENDPOINT>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
SERP402_EVM_PRIVATE_KEYOptional, secret | 0x… key holding USDC on Base. Each search costs USD 0.005, charged to this wallet. Either this or the Solana key is required to search. |
SERP402_SOLANA_PRIVATE_KEYOptional, secret | ed25519 key (hex or base58) holding USDC on Solana. Alternative to the Base key. |
SERP402_MAX_SPEND_USDOptional | Stop searching after this much has been spent in one session. Default 1.00. |
SERP402_ENDPOINTOptional | Override the endpoint. Default https://serp402.com |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 30 Sep 2026 |
| Last updated | 30 Sep 2026 |
| Registry name | com.serp402/mcp |
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