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arize-phoenix

v0.1.0

by Arize-ai · author: Arize AI

Connect to your Phoenix instance to debug, evaluate, and improve LLM applications.

What arize-phoenix does, in the publisher's words

A Codex plugin in the portable Agent Plugins format. It registers the Phoenix remote MCP server so Codex can explore traces, sessions, datasets, experiments, and evaluations in your Phoenix instance.

Plugin MCP URLs cannot contain environment variables, so the plugin registers a small stdio launcher, scripts/phoenix-mcp, instead of a fixed URL. The launcher reads your environment and bridges to /mcp with mcp-remote via npx.

These are the same variables the px CLI reads. Export them in the shell you launch Codex from. Codex forwards only the variables the plugin declares, which is why both are listed in mcp.json and.mcp.json.

From the project README, punctuation lightly normalized · Open the README on GitHub

Skills
0
MCP servers
1
Stars
11,721
License
Apache-2.0
Repo created
2022-11-09
Last pushed
2026-10-06
Publisher type
Organization
Version
0.1.0

Links

MCP servers · 1

phoenixstdio
./scripts/phoenix-mcp
env vars: PHOENIX_ENDPOINT · PHOENIX_API_KEY

Read from the plugin's own mcp.json. We list environment variable names, never values.

Category

Other. Assigned by this directory. Agent Plugins 1.0.0 has no category field, so no manifest declares one.

Keywords

phoenix · arize · observability · tracing · evals · llm · mcp

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