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Countersign

Indexed by io.github.countersign-network
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About

Kill switch + spend guard for AI agents that spend money, across every wallet vendor at once.

Use this server

Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.

Transportstdio (runs a local command)
Env varsCOUNTERSIGN_URL COUNTERSIGN_API_KEY
Claude Code 
claude mcp add --env COUNTERSIGN_URL= --env COUNTERSIGN_API_KEY= countersign -- npx @countersign/mcp
Cursor

Add to Cursor

If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.

VS Code 
code --add-mcp '{"name":"countersign","command":"npx","args":["@countersign/mcp"],"env":{"COUNTERSIGN_URL":"","COUNTERSIGN_API_KEY":""}}'
JSON 
{
  "mcpServers": {
    "countersign": {
      "command": "npx",
      "args": [
        "@countersign/mcp"
      ],
      "env": {
        "COUNTERSIGN_URL": "",
        "COUNTERSIGN_API_KEY": ""
      }
    }
  }
}

Environment variables are listed by name only — fill in your own values. Entries never carry secrets.