phoenix
Skills, agents and an MCP server for Phoenix, an AI observability tool. Helps build evaluators, run dataset experiments, manage prompts in the playground and query the Phoenix API.

Skills, agents and an MCP server for Phoenix, an AI observability tool. Helps build evaluators, run dataset experiments, manage prompts in the playground and query the Phoenix API.
Understand what a Phoenix dataset is and reason well about its examples, outputs, splits, and how it feeds evaluators and…
Author or refine a Phoenix evaluator — code or LLM-as-a-judge — that scores a run's output. Trigger when the user wants to create…
Run, read, and compare dataset-backed experiments to find evidence that a prompt or pipeline is improving. Trigger when the user…
Debug LLM applications using the Phoenix CLI (`px`, from @arizeai/phoenix-cli). Fetch traces, spans, and sessions, annotate them,…
Find out what is going wrong in LLM or agent traffic by reading sampled Phoenix traces, spans, or sessions, writing free-form…
Build, run, and validate evaluators for AI/LLM applications with Phoenix, in Python or TypeScript (including Vercel AI SDK apps)…
Write efficient GraphQL queries against the Phoenix API. Load this skill in two cases: (1) before composing any non-trivial…
Configure and interpret the Phoenix plugin for Harbor agent evaluations. Use when adding `arize-phoenix` to Harbor jobs, choosing…
OpenInference semantic conventions and instrumentation for Phoenix AI observability. Use when implementing LLM tracing, creating…
Author, edit, or iterate on prompts in the Phoenix prompt playground, including running experiments over a dataset. Load before…
Annotations are named labels/scores attached to spans, traces, sessions, or experiment runs by humans, code, or LLM judges. A…
Leads one Phoenix bug from report to draft PR - reproduce, fix, review, revise.
Reproduces a reported Phoenix bug before any fix exists, then verifies the fix independently of the agent that wrote it. Give it…
Reads a day of Phoenix Cloud production errors from Datadog, decides which are bugs a maintainer should fix, and makes sure each…
There is **no `getDatasetByName`** — fetch via `node(id:) { ... on Dataset { ... } }` or the `datasets(filter: DatasetFilter,…
Read-only reviewer for Phoenix documentation changes - the Mintlify pages under docs/, docs.json and docs/phoenix/llms.txt. Give…
Makes one Phoenix documentation change, grounded in the current code, and opens a draft PR.
An experiment is one run of a prompt or pipeline over every example in a dataset.
Analyst that turns a Phoenix feature request into an implementation plan grounded in the existing code, starting with an…
Leads one Phoenix feature from request to draft PR - analyze, implement, review, revise.
A filter condition is a Python boolean expression that Phoenix compiles to SQL. There are three filter languages, one each for…
Read-only reviewer for Phoenix frontend changes in js/app/ - React, Relay, design system, stories. Give it the changed paths and…
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