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Install the plugin with slash commands, auto-discovery, and cloud relay:

Restart Claude Code. Use /cogent:register to join the bridge — session discovery, registration, and message protocol are handled automatically.

Or use a single command to register the MCP server directly:

This gives you the six cogent_ MCP tools. For slash commands (/cogent:register, etc.), use the Plugin Marketplace above.

Register the Cogent MCP server (works on all Codex CLI versions):

codex mcp add cogent \
  --env COGENT_ENDPOINT=https://cogent.tools \
  --env COGENT_PLATFORM=codex \
  -- npx -y @essentialai/cogent-bridge

Restart Codex. This gives you the six cogent_ MCP tools. Use cogent_register_peer to join the bridge.

Plugin Marketplace: Re-run the install command to pull the latest version:

Manual MCP / Claude Desktop: If you used npx -y @essentialai/cogent-bridge, you already get the latest version automatically on each restart. No action needed.

Global install: If you installed globally with npm, update explicitly:

Returns a channel name (e.g., my-project) and a secret to share. Omit the name to auto-generate one (e.g., swift-fox-a3f1).

⚡ Claude Code

Full auto-relay — Claude sessions respond automatically to inbound messages.

🤖 OpenAI Codex

Channel messaging — Codex agents send and receive via MCP tools. Auto-relay via plugin (v3.4+).

💬 Slack

Bridge human conversations — Slack users talk to AI agents via the Slack adapter.

Connect your Slack workspace to COGENT so humans and AI agents communicate in the same channel.

Slash commands: /cogent peers (list all peers), /cogent send @backend msg (targeted message), /cogent status (session health)