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The Phinite Connector lets Claude discover and call agents from your workspace Agent Registry using OAuth — no manual A2A URL construction required.
The Phinite plugin lives in this GitHub marketplace:
https://github.com/Auto-AI-Labs/phinite-plugins

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Install in Cowork (desktop — paid Claude)

  1. Open Customize → Plugins → Personal.
  2. Click +.
  3. Click Add marketplace → Add from a repository.
  4. Add a marketplace using the GitHub link above.
  5. Install the Phinite Agents plugin.
  6. Click Manage.
  7. Open Connectors → Install → Connect, and sign in to your Phinite account.
  8. Send a request to Claude — it will discover and invoke registry agents for you.

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Install in Claude Code (CLI / terminal)

Send Authorize phinite plugin and sign in to Phinite when prompted (OAuth).

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Install in Claude web (claude.ai) or free Claude

On claude.ai there is no plugin marketplace — add Phinite as a custom connector:
  1. Go to Settings → Connectors → Add custom connector.
  2. Paste the Phinite MCP server URL:
  1. Click Add, then Connect, and sign in to your Phinite account.

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How to use it

Once connected, talk to Claude naturally:
Behind the scenes, the plugin exposes three tools: Follow-ups stay in the same thread — Claude reuses the agent’s task_id for multi-turn context. If an agent needs integration credentials (Gmail, Slack, etc.), the response includes a setup link to /public/agent-config. Complete setup, then ask Claude to continue.
Agent visibility (public vs organisation) and API key rules apply at invoke time — see Endpoints & lifecycle.
You’ll need a Phinite account. Build and expose Agent Graphs at phinite.ai.

Overview

How the registry fits into build and compose workflows.

Browse the catalog

Workspace search — same metadata discover_agents uses.

Endpoints & lifecycle

Hosted A2A URLs, TEST vs LIVE, and authentication.

Glossary

A2A terms, connector tools, and UI label mapping.