What can you do with this server?

The **Arize Phoenix MCP Server** provides a unified interface for interacting with the Arize Phoenix platform. With this server, you can: * **Prompts Management**: Create, list, update, and iterate on prompts, including their templates, model configurations, and invocation parameters. Get specific prompt versions (latest, by ID, by tag). * **Datasets**: Explore datasets, retrieve examples, and add synthetically generated examples to cover edge cases. * **Experiments**: List and retrieve experiment results, including metadata, outputs, and annotations for evaluating model performance. * **Tags and Versions**: Manage prompt versions by adding tags, listing versions, and fetching specific versions. * **Integration**: Easily integrate with clients like Claude Desktop and Cursor using `npx`. * **Open-Source**: Extend functionality by contributing to the open-source project.

Which integrations are available for this server?

Enables environment variable configuration for development, allowing secure management of API keys and base URLs Provides open-source access to the Phoenix MCP implementation, allowing for contributions and customizations

The Arize Phoenix MCP Server provides a unified interface for interacting with the Arize Phoenix platform. With this server, you can:

Prompts Management: Create, list, update, and iterate on prompts, including their templates, model configurations, and invocation parameters. Get specific prompt versions (latest, by ID, by tag).
Datasets: Explore datasets, retrieve examples, and add synthetically generated examples to cover edge cases.
Experiments: List and retrieve experiment results, including metadata, outputs, and annotations for evaluating model performance.
Tags and Versions: Manage prompt versions by adding tags, listing versions, and fetching specific versions.
Integration: Easily integrate with clients like Claude Desktop and Cursor using npx.
Open-Source: Extend functionality by contributing to the open-source project.

License

Phoenix MCP Server is an implementation of the Model Context Protocol for the Arize Phoenix platform. It provides a unified interface to Phoenix's capabilites.

You can use Phoenix MCP Server for:

Prompts Management: Create, list, update, and iterate on prompts
Datasets: Explore datasets, and syntesize new examples
Experiments: Pull experiment results and visualize them with the help of an LLM

Don't see a use-case covered? @arizeai/phoenix-mcp is open-source! Issues and PRs welcome.

Installation

This MCP server can be used using npx and can be directly integrated with clients like Claude Desktop, Cursor, and more.

{ "mcpServers": { "phoenix": { "command": "npx", "args": [ "-y", "@arizeai/phoenix-mcp@latest", "--baseUrl", "https://my-phoenix.com", "--apiKey", "your-api-key" ] } }

Related MCP server: MCP Server

Development

Install

This package is managed via a pnpm workspace.

// From the /js/ directory pnpm install pnpm build

This only needs to be repeated if dependencies change or there is a change to the phoenix-client.

Building

To build the project:

pnpm build

Development Mode

To run in development mode:

pnpm dev

Debugging

You can build and run the MCP inspector using the following:

pnpm inspect

Environment Variables

When developing, the server requires the following environment variables:

PHOENIX_API_KEY: Your Phoenix API key
PHOENIX_BASE_URL: The base URL for Phoenix

Make sure to set these in a .env file. See .env.example.

License

Apache 2.0

@arizeai/phoenix-mcp

Installation

Development

Install

Building

Development Mode

Debugging

Environment Variables

License

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