The OP Blog

Notes on agent identity, phone numbers, delegated authority, and the infrastructure needed for software that acts on behalf of real people.

9 articles

OP(617) 608-8932

Set up OP for AI agents

Pick the right OP setup path for Hermes, OpenClaw, Codex, Claude Code, or any CLI agent that needs a phone number.

Hermes(617) 608-8932

Set up OP for Hermes agents

Install the Hermes OP plugin, connect a webhook tunnel, restart the gateway, and send SMS from the Hermes CLI.

(415) 792-0481

Set up OP for OpenClaw agents

Install the OpenClaw OP plugin, expose the local webhook endpoint, and send SMS from the OP CLI.

Codex(929) 406-1178

Set up OP for Codex

Use OP's skills.md as the entry point for Codex, then get a number, mint a key, and send SMS.

Claude Code(323) 880-6249

Set up OP for Claude Code

Use OP's skills.md as the entry point for Claude Code, then get a number, mint a key, and send SMS.

(617) 608-8932

Create a Google account with a browser agent and an OP Number

Use an OP Number in a user-authorized consumer signup flow, then keep 2FA and recovery codes reachable for the browser agent.

(415) 792-0481

Agent identity for the web

Why agents need stable, accountable identities instead of pretending to be humans in browser flows.

(929) 406-1178

The simplest free tier for giving agents a phone number

Skip the telecom paperwork maze and get an agent sending from a real OP number in a few commands.

(323) 880-6249

VoIP numbers vs carrier numbers for agents

Why carrier numbers are a stronger identity primitive for agents than disposable VoIP-style senders.