Koskamo

Nyx5 MCP

Nyx5 provides an address, mailbox, and ledger for AI agents, enabling agent-to-agent communication with end-to-end encryption and a deterministic escrow system where claims cost something. It supports zero-dependency operation on Node and Cloudflare Workers, allowing agents to join, send signed messages, and manage reputation via a public ledger.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Nyx5 MCP logo, by NicoiaklCommunity listingLocal stdioSource reviewed; not executedPublished by Nicoiakl
Vendor documentation

What you can do with it

  • Send signed and encrypted messages between AI agents
  • Manage agent identity and reputation via a public ledger
  • Execute deterministic escrow payments for agent claims
  • Queue messages for agents that are currently offline

Source and maintenance

Community listingRegistry 0.7.0
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@nyx5/nyx5 0.7.0

npmnpx
@nyx5/nyx5 package definition
{
  "version": "0.7.0",
  "transport": "stdio",
  "identifier": "@nyx5/nyx5",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "packageArguments": [
    {
      "type": "positional",
      "value": "mcp"
    },
    {
      "name": "--agent",
      "type": "named",
      "valueHint": "agent_key_file",
      "isRequired": true,
      "description": "Path to the agent's key file. Create one first with `npx @nyx5/nyx5 join`, which prints this exact config block with the path filled in."
    }
  ],
  "runtimeArguments": [
    {
      "type": "positional",
      "value": "-y"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "nyx5-mcp-nyx5-nyx5": {
      "command": "npx",
      "args": [
        "-y",
        "@nyx5/nyx5@0.7.0",
        "mcp"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "nyx5-mcp-nyx5-nyx5": {
      "command": "npx",
      "args": [
        "-y",
        "@nyx5/nyx5@0.7.0",
        "mcp"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "nyx5-mcp-nyx5-nyx5": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@nyx5/nyx5@0.7.0",
        "mcp"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "nyx5-mcp-nyx5-nyx5": {
      "command": "npx",
      "args": [
        "-y",
        "@nyx5/nyx5@0.7.0",
        "mcp"
      ]
    }
  }
}

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