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Agent skill

Phoenix PR Screenshot

by Arize-ai in Arize-ai/phoenix

Screenshot a running Phoenix feature and attach images to a GitHub PR.

Custom licenceAuto-check passedAI & LLM Engineering

Install Phoenix PR Screenshot

skills CLI
$ npx skills add Arize-ai/phoenix --skill phoenix-pr-screenshot -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install Arize-ai/phoenix phoenix-pr-screenshot --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/Arize-ai/phoenix.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/phoenix-pr-screenshot .claude/skills/phoenix-pr-screenshot && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
phoenix-pr-screenshot
GitHub stars
12k
Token cost
~979 tokens
SKILL.md length
456 words
Files
1
Skills in repo
39
Repo updated
First seen
Licence
Custom licence

At a glance

Screenshot a running Phoenix feature and attach images to a GitHub PR.

  • Works in 5 steps: Build the frontend → Start Phoenix → Capture screenshots → …
  • Tasks that involve LLM observability
  • SKILL.md covers Prerequisites, Workflow and Removing screenshots
  • Calls gh, pnpm and curl

What it does

Phoenix PR Screenshot is an agent skill from Arize-ai/phoenix. Screenshot a running Phoenix feature and attach images to a GitHub PR. Builds the frontend, starts Phoenix with env vars, captures browser screenshots, and attaches them to the PR body with gh pr edit --attach.

Its SKILL.md is about 980 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in AI & LLM Engineering, covering LLM observability and Pull requests. It works with Arize Phoenix and GitHub. The repository describes itself as: AI Observability & Evaluation.

When your agent uses it

  • Tasks that involve LLM observability
  • Tasks that involve Pull requests

Example prompts

  • “/phoenix-pr-screenshot”

Requirements

  • Python 3

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Build the frontend
  2. Start Phoenix
  3. Capture screenshots
  4. Attach to the PR
  5. Cleanup

What it can do on your machine

Read from SKILL.md and the folder at commit e471315. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • gh
    • pnpm
    • curl

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use gh, pnpm and curl, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Phoenix PR Screenshot loads about 979 tokens when it runs. Until then it costs about 59 tokens; SKILL.md has 456 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~59
When it runs · the whole SKILL.md, loaded when a task matches
~979

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 456 words (~979 tokens).

“Capture screenshots of the Phoenix UI to visually document a feature in a pull request. This skill handles the end-to-end workflow: build, launch, screenshot, upload, and attach to PR.”

— opening of SKILL.md by Arize-ai, Custom licence
name
phoenix-pr-screenshot
user-invocable
true
metadata.internal
true

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .agents/skills/phoenix-pr-screenshot of Arize-ai/phoenix.

Open the folder on GitHubat commit e471315

Compare with similar skills

Phoenix PR Screenshot next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Phoenix PR Screenshot compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Phoenix PR Screenshot this skillArize-ai/phoenix12k—~979Automated safety check: PassCustom licence
Git Workflowlangfuse/langfuse36k—~1.3kAutomated safety check: PassCustom licence
Phx PR Reviewoliver-kriska/claude-elixir-phoenix565—~1.5kAutomated safety check: PassMIT
PR Reviewoliver-kriska/claude-elixir-phoenix565—~1.5kAutomated safety check: PassMIT
Fix Art IssuesOpenPipe/ART11k—~840Automated safety check: NotesApache-2.0
PR Demomikeyobrien/ralph-orchestrator3.2k—~1.3kAutomated safety check: PassMIT

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Works with

Categories

Questions about Phoenix PR Screenshot

What does Phoenix PR Screenshot do?

Screenshot a running Phoenix feature and attach images to a GitHub PR. Phoenix PR Screenshot is an agent skill from Arize-ai/phoenix. Screenshot a running Phoenix feature and attach images to a GitHub PR.

When should I use Phoenix PR Screenshot?

Phoenix PR Screenshot fits situations like: tasks that involve LLM observability; tasks that involve Pull requests.

How do I install Phoenix PR Screenshot in Claude Code?

Run `npx skills add Arize-ai/phoenix --skill phoenix-pr-screenshot -a claude-code`. Or copy the skill folder (.agents/skills/phoenix-pr-screenshot in Arize-ai/phoenix) into .claude/skills/phoenix-pr-screenshot in your project. Claude Code loads it when a task matches its description.

How do I install Phoenix PR Screenshot in Codex?

Run `npx skills add Arize-ai/phoenix --skill phoenix-pr-screenshot -a codex`. Or copy the skill folder (.agents/skills/phoenix-pr-screenshot in Arize-ai/phoenix) into .agents/skills/phoenix-pr-screenshot in your project. Codex loads it when a task matches its description.

Can I use Phoenix PR Screenshot in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add Arize-ai/phoenix --skill phoenix-pr-screenshot -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/phoenix-pr-screenshot, .gemini/skills/phoenix-pr-screenshot, .github/skills/phoenix-pr-screenshot and .opencode/skills/phoenix-pr-screenshot in your project.

What does Phoenix PR Screenshot need to run?

Going by SKILL.md and its folder, Phoenix PR Screenshot needs the command-line tools its instructions call (gh, pnpm and curl). Our summary lists: Python 3.

Does Phoenix PR Screenshot access the network?

SKILL.md contains no URLs. Its commands use gh and curl, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Phoenix PR Screenshot safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Phoenix PR Screenshot use?

Phoenix PR Screenshot has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Phoenix PR Screenshot use?

About 979 tokens (SKILL.md is roughly 3.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Phoenix PR Screenshot?

Skills that share tags, products or a category with Phoenix PR Screenshot: Git Workflow (langfuse/langfuse, 36k stars), Phx PR Review (oliver-kriska/claude-elixir-phoenix, 565 stars), PR Review (oliver-kriska/claude-elixir-phoenix, 565 stars) and Fix Art Issues (OpenPipe/ART, 11k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Phoenix PR Screenshot?

Arize-ai (a GitHub organization) maintains it in Arize-ai/phoenix, which has 11,770 GitHub stars. The repository holds 39 skills in this directory. The repository was last updated on October 10, 2026.

Source: Arize-ai/phoenix on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.