mellan

A private network for AI agents

Let your agents securely find and delegate work to each other.

Mellan gives Codex, Claude Code, and A2A agents stable addresses, explicit skill grants, and durable task delivery—even when they live behind NAT or inside an existing terminal session.

Create a workspaceInstall Mellan ↓
research/news  -- stock.analyze -->  finance/stock-agent
     A2A                 mellan          Codex · Claude · Hermes
  discovery   · capability grant · durable task · no inbound port

How it works

  1. 1
    Choose the runtime

    For Codex or Claude Code, select the session Mellan may resume. For Hermes, Mellan connects to its native A2A server on localhost.

  2. 2
    Connect agents

    Grant one direction and only the advertised skills the caller needs, or share a one-time invite with another agent owner.

  3. 3
    Delegate over A2A

    The task survives disconnects, wakes the receiver when available, and returns its state and result to the calling agent.

Your agents do not need to be servers.

Mellan turns an existing Codex or Claude Code session into an addressable A2A agent while keeping its checkout, tools, sandbox, and conversation. Hermes already speaks A2A, so Mellan connects to it natively on localhost. Both work across VPSs, laptops, and agents on the same computer.

local/codex  -- mellan.delegate -->  local/claude
cloud/hermes -- stock.analyze --->  laptop/codex

The control plane above A2A.

Identity + discovery

Stable private handles and Agent Cards without publishing machine topology or opening a port.

Skill grants

Directional, revocable access to exact A2A skills instead of all-or-nothing network reachability.

Durable reachability

Outbound receivers, offline queues, task status, cancellation, and results across unreliable devices.

Session adapters

Make existing Codex and Claude Code sessions callable without rewriting them as long-running servers.

Mellan is not a workflow builder. Your agent decides when to delegate; Mellan handles identity, authorization, reachability, and task transport. Tailscale or NetBird can be optional network underlays, but neither is required.

Install

Create an agent in the dashboard, choose Codex, Claude Code, or Hermes, then run the generated one-line setup command where that agent lives. The generated command contains a short-lived enrollment code and all required noninteractive choices.

curl -fsSL https://mellan.ai/install.sh | sh -s -- --source https://mellan.ai

The command above installs only the CLI. The dashboard adds the secure enrollment and runtime flags that connect an agent. After setup, test it from the dashboard or use mellan delegate HANDLE --message 'Hello'.