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The July 2026 PolyAI release brings two developer-focused ways to build and manage agents outside the Agent Studio UI: the PolyAI Agent Development Kit (ADK) for a local, Git-like workflow, and Builder MCP for building agents straight from your IDE or AI coding tool. Both ship with full documentation. Expand the items below for details:
PolyAI Agent Development KitThe PolyAI ADK gives you a local, Git-like workflow for Agent Studio projects: pull a project to your machine, edit it with standard tooling, validate, and push it back to Agent Studio to review and deploy.
  • Zero to a local project in a few commands — install with pip install polyai-adk, then poly start handles self-serve sign-up, API key, and your first project in one go.
  • Local, code-first editing — work on flows, functions, topics, entities, variables, and variants as files, using the tooling you already have.
  • Git-like project lifecycle — pull, branch, validate, and push, with branch merging to bring changes back safely.
  • Tutorials and reference — build-an-agent and restaurant-booking walkthroughs, core-concept guides, worked examples, and a full CLI and configuration reference.
See the ADK docs to get started, or jump straight to Getting started and the CLI reference.
Builder MCPBuilder MCP is PolyAI’s authenticated MCP server for building agents. Point an MCP client — Claude Code, Cursor, Claude Desktop, or Codex — at it and create, test, and deploy PolyAI agents from your IDE without calling the REST API yourself.
  • Build from your IDE — the client discovers the available tools and their input schemas on connect, so your AI coding tool can drive Agent Studio directly.
  • Full agent lifecycle — create and edit agents, run tests, and deploy, all over MCP.
  • Authenticated and scoped — connect with your workspace API key; see Authentication for setup.
  • Two directions, clearly separated — Builder MCP is a client → PolyAI connection for building agents. To let a live agent call external tools during a conversation, see Agent Studio MCP integrations.
See the MCP overview and Builder MCP for the full walkthrough.
Last modified on July 9, 2026