arize-phoenix
v0.1.0by 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
- 11,415
- License
- Apache-2.0
- Repo created
- 2022-11-09
- Last pushed
- 2026-09-11
- 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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[](https://agentpluginsdirectory.com/plugins/arize-phoenix)✓ Verified . We fetched the manifest from GitHub and checked it against the official Agent Plugins 1.0.0 schema at agent-plugins.org.