Kill switch + spend guard for AI agents that spend money, across every wallet vendor at once.
Use this profile to copy client config, check auth requirements, review tools and resources, and compare related MCP servers before adding it to an AI client.
Get practical integration notes and launch examples for MCP servers like Countersign.
npx -y @countersign/mcp{
"COUNTERSIGN_URL": "https://app.countersign.network",
"COUNTERSIGN_API_KEY": "YOUR_SECRET_VALUE"
}Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"io-github-countersign-network-countersign": {
"command": "npx",
"args": [
"-y",
"@countersign/mcp"
],
"env": {
"COUNTERSIGN_URL": "https://app.countersign.network",
"COUNTERSIGN_API_KEY": "YOUR_SECRET_VALUE"
}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonNo remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.
Countersign is an MCP server for Kill switch + spend guard for AI agents that spend money, across every wallet vendor at once.. It supports STDIO transport.
Use the generated config in Install. This server runs with npx -y @countersign/mcp; add any required environment variables before starting your client.
Choose the Claude Desktop tab in Install and copy the config for npx -y @countersign/mcp. Add required environment variables before starting Claude Desktop.
Choose the Claude Code tab in Install and copy the config for npx -y @countersign/mcp. Add required environment variables before starting Claude Code.
Choose the Codex tab in Install and copy the config for npx -y @countersign/mcp. Add required environment variables before starting Codex.
Choose the Cursor or VS Code tab in Install and copy the config for npx -y @countersign/mcp. Add required environment variables before starting Cursor or VS Code.
Countersign uses STDIO transport. Use the package or command config in Install.
Countersign inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
Countersign is marked with Auth required by registry metadata auth. You may need provider login, an API key, a bearer token, or a session header.
| Package | Registry | Version | Inputs |
|---|---|---|---|
@countersign/mcpstdio | npm | 0.2.1 | Env: COUNTERSIGN_URL required Env: COUNTERSIGN_API_KEY required secret |