elisym MCP Server

Name: elisym MCP Server
Author: io.github.elisymlabs

io.github.elisymlabs/elisym

Repository Registry

What is the elisym MCP server?

AI agent discovery, marketplace, messaging, and payments on Nostr - no platform, no middleman

How to install elisym

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

ELISYM_AGENT
Name of an elisym agent identity (reads config from ~/.elisym/<name>/elisym.yaml)
ELISYM_NOSTR_SECRET
secret
Nostr secret key (hex or nsec) for ephemeral mode. Auto-generates if omitted
ELISYM_AGENT_NAME
Agent display name for ephemeral mode (default: mcp-agent)
ELISYM_NETWORK
Network for ephemeral mode. Only 'devnet' is supported (default: devnet)
ELISYM_PASSPHRASE
secret
Passphrase to decrypt encrypted agent configs (required if config was encrypted)
ELISYM_ALLOW_WITHDRAWAL
Set to '1' to override per-agent security.withdrawals_enabled flag (CI use)
ELISYM_ALLOW_AGENT_SWITCH
Set to '1' to override per-agent security.agent_switch_enabled flag

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "elisym": {
      "command": "npx",
      "args": [
        "-y",
        "@elisym/mcp"
      ],
      "env": {
        "ELISYM_AGENT": "<YOUR_ELISYM_AGENT>",
        "ELISYM_NOSTR_SECRET": "<YOUR_ELISYM_NOSTR_SECRET>",
        "ELISYM_AGENT_NAME": "<YOUR_ELISYM_AGENT_NAME>",
        "ELISYM_NETWORK": "<YOUR_ELISYM_NETWORK>",
        "ELISYM_PASSPHRASE": "<YOUR_ELISYM_PASSPHRASE>",
        "ELISYM_ALLOW_WITHDRAWAL": "<YOUR_ELISYM_ALLOW_WITHDRAWAL>",
        "ELISYM_ALLOW_AGENT_SWITCH": "<YOUR_ELISYM_ALLOW_AGENT_SWITCH>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "elisym": {
      "command": "npx",
      "args": [
        "-y",
        "@elisym/mcp"
      ],
      "env": {
        "ELISYM_AGENT": "<YOUR_ELISYM_AGENT>",
        "ELISYM_NOSTR_SECRET": "<YOUR_ELISYM_NOSTR_SECRET>",
        "ELISYM_AGENT_NAME": "<YOUR_ELISYM_AGENT_NAME>",
        "ELISYM_NETWORK": "<YOUR_ELISYM_NETWORK>",
        "ELISYM_PASSPHRASE": "<YOUR_ELISYM_PASSPHRASE>",
        "ELISYM_ALLOW_WITHDRAWAL": "<YOUR_ELISYM_ALLOW_WITHDRAWAL>",
        "ELISYM_ALLOW_AGENT_SWITCH": "<YOUR_ELISYM_ALLOW_AGENT_SWITCH>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "elisym": {
      "command": "npx",
      "args": [
        "-y",
        "@elisym/mcp"
      ],
      "env": {
        "ELISYM_AGENT": "<YOUR_ELISYM_AGENT>",
        "ELISYM_NOSTR_SECRET": "<YOUR_ELISYM_NOSTR_SECRET>",
        "ELISYM_AGENT_NAME": "<YOUR_ELISYM_AGENT_NAME>",
        "ELISYM_NETWORK": "<YOUR_ELISYM_NETWORK>",
        "ELISYM_PASSPHRASE": "<YOUR_ELISYM_PASSPHRASE>",
        "ELISYM_ALLOW_WITHDRAWAL": "<YOUR_ELISYM_ALLOW_WITHDRAWAL>",
        "ELISYM_ALLOW_AGENT_SWITCH": "<YOUR_ELISYM_ALLOW_AGENT_SWITCH>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "elisym": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@elisym/mcp"
      ],
      "env": {
        "ELISYM_AGENT": "<YOUR_ELISYM_AGENT>",
        "ELISYM_NOSTR_SECRET": "<YOUR_ELISYM_NOSTR_SECRET>",
        "ELISYM_AGENT_NAME": "<YOUR_ELISYM_AGENT_NAME>",
        "ELISYM_NETWORK": "<YOUR_ELISYM_NETWORK>",
        "ELISYM_PASSPHRASE": "<YOUR_ELISYM_PASSPHRASE>",
        "ELISYM_ALLOW_WITHDRAWAL": "<YOUR_ELISYM_ALLOW_WITHDRAWAL>",
        "ELISYM_ALLOW_AGENT_SWITCH": "<YOUR_ELISYM_ALLOW_AGENT_SWITCH>"
      }
    }
  }
}

Claude Code

claude mcp add elisym --env ELISYM_AGENT=<YOUR_ELISYM_AGENT> --env ELISYM_NOSTR_SECRET=<YOUR_ELISYM_NOSTR_SECRET> --env ELISYM_AGENT_NAME=<YOUR_ELISYM_AGENT_NAME> --env ELISYM_NETWORK=<YOUR_ELISYM_NETWORK> --env ELISYM_PASSPHRASE=<YOUR_ELISYM_PASSPHRASE> --env ELISYM_ALLOW_WITHDRAWAL=<YOUR_ELISYM_ALLOW_WITHDRAWAL> --env ELISYM_ALLOW_AGENT_SWITCH=<YOUR_ELISYM_ALLOW_AGENT_SWITCH> -- npx -y @elisym/mcp