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Kill switch + spend guard for AI agents that spend money, across every wallet vendor at once.
npx @getmcp/cli add io.github.countersign-network/countersignRequires Node.js 18+. Community-contributed server. Review source before installing.
COUNTERSIGN_URLBase URL of the Countersign Core to govern (hosted or self-hosted).
COUNTERSIGN_API_KEYAPI key for the Core (self-serve one at https://app.countersign.network/start or POST /signup).
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.countersign-network/countersign": {
"command": "npx",
"args": [
"-y",
"@countersign/mcp"
],
"env": {
"COUNTERSIGN_URL": "https://app.countersign.network",
"COUNTERSIGN_API_KEY": ""
}
}
}
}