ag-ui-protocol/ag-ui

AG-UI: the Agent-User Interaction Protocol. Bring Agents into Frontend Applications.

About the project

AG-UI is an event-based protocol that lets AI agent backends communicate with user-facing applications. It standardizes agent events and inputs while supporting transports such as server-sent events, WebSockets, and webhooks. The catalogue add-ons help developers build integrations and applications around the protocol.

This repository also configures its own agents. See what ag-ui tells them →

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nx-mcp

ag-ui-protocol/ag-ui

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

Nx's MCP server: lets the agent read the Nx project graph, look up generators and run tasks in an Nx monorepo. Runs locally from the nx npm package.

not rated 17k +196 today A tokens not measured copy · 100% MIT

playwright

ag-ui-protocol/ag-ui

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

Lets the agent drive a real browser: open pages, click, type, take screenshots and read the accessibility tree, using Playwright. Runs locally from the @playwright/mcp npm package.

not rated 17k +196 today A tokens not measured copy · 88% MIT