Doc Description Governance
lynx-family/lynx-website
Audit and optimize frontmatter description fields across documentation pages to keep them concise and token-efficient.
Maintain the Phoenix llms.txt documentation index at docs/phoenix/llms.txt — the machine-readable docs map used by AI agents and the px docs fetch CLI.
Install Phoenix LLMs Txt
$ npx skills add Arize-ai/phoenix --skill phoenix-llms-txt -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install Arize-ai/phoenix phoenix-llms-txt --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/Arize-ai/phoenix.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/phoenix-llms-txt .claude/skills/phoenix-llms-txt && rm -rf skills-srcUse ~/.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/
Install the "phoenix-llms-txt" agent skill from https://github.com/Arize-ai/phoenix/tree/main/.agents/skills/phoenix-llms-txt into .claude/skills/phoenix-llms-txt/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "phoenix-llms-txt", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/Arize-ai/phoenix/tree/main/.agents/skills/phoenix-llms-txtType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add Arize-ai/phoenix --skill phoenix-llms-txt -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install Arize-ai/phoenix phoenix-llms-txt --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Arize-ai/phoenix.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/phoenix-llms-txt .agents/skills/phoenix-llms-txt && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "phoenix-llms-txt" agent skill from https://github.com/Arize-ai/phoenix/tree/main/.agents/skills/phoenix-llms-txt into .agents/skills/phoenix-llms-txt/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "phoenix-llms-txt", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add Arize-ai/phoenix --skill phoenix-llms-txt -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install Arize-ai/phoenix phoenix-llms-txt --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Arize-ai/phoenix.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/phoenix-llms-txt .cursor/skills/phoenix-llms-txt && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "phoenix-llms-txt" agent skill from https://github.com/Arize-ai/phoenix/tree/main/.agents/skills/phoenix-llms-txt into .cursor/skills/phoenix-llms-txt/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "phoenix-llms-txt", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/Arize-ai/phoenix.git --path .agents/skills/phoenix-llms-txt--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add Arize-ai/phoenix --skill phoenix-llms-txt -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install Arize-ai/phoenix phoenix-llms-txt --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Arize-ai/phoenix.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/phoenix-llms-txt .gemini/skills/phoenix-llms-txt && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "phoenix-llms-txt" agent skill from https://github.com/Arize-ai/phoenix/tree/main/.agents/skills/phoenix-llms-txt into .gemini/skills/phoenix-llms-txt/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "phoenix-llms-txt", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install Arize-ai/phoenix phoenix-llms-txtInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add Arize-ai/phoenix --skill phoenix-llms-txt -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/Arize-ai/phoenix.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/phoenix-llms-txt .github/skills/phoenix-llms-txt && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "phoenix-llms-txt" agent skill from https://github.com/Arize-ai/phoenix/tree/main/.agents/skills/phoenix-llms-txt into .github/skills/phoenix-llms-txt/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "phoenix-llms-txt", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add Arize-ai/phoenix --skill phoenix-llms-txt -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install Arize-ai/phoenix phoenix-llms-txt --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Arize-ai/phoenix.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/phoenix-llms-txt .opencode/skills/phoenix-llms-txt && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "phoenix-llms-txt" agent skill from https://github.com/Arize-ai/phoenix/tree/main/.agents/skills/phoenix-llms-txt into .opencode/skills/phoenix-llms-txt/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "phoenix-llms-txt", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
phoenix-llms-txt- GitHub stars
- 12k
- Token cost
- ~2.3k tokens
- SKILL.md length
- 984 words
- Files
- 1
- Skills in repo
- 39
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Maintain the Phoenix llms.txt documentation index at docs/phoenix/llms.txt — the machine-readable docs map used by AI agents and the px docs fetch CLI.
- Works in 6 steps: Enumerate published nav pages (intersect… → Extract current llms.txt URLs → Diff for missing and stale entries → …
- Reorganizing llms.txt entries
- SKILL.md covers Format, Coverage rules, Auditing coverage and Section order, plus 3 more sections
- Calls python3 and pnpm; reaches arize.com
What it does
Phoenix LLMs Txt is an agent skill from Arize-ai/phoenix. Maintain the Phoenix llms.txt documentation index at docs/phoenix/llms.txt — the machine-readable docs map used by AI agents and the px docs fetch CLI. Use this skill whenever adding, auditing, or reorganizing llms.txt entries. Trigger when the user mentions llms.txt, docs index, px docs, or LLM-friendly documentation.
Its SKILL.md is about 2.3k 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 AI search optimization and LLM observability. The repository describes itself as: AI Observability & Evaluation.
When your agent uses it
- Reorganizing llms.txt entries
- The user mentions llms.txt
- LLM-friendly documentation
Example prompts
- “/phoenix-llms-txt”
Requirements
- Python 3
Workflow steps
6 steps, taken from the step headings in SKILL.md.
- Enumerate published nav pages (intersect docs.json with .mdx files)
- Extract current llms.txt URLs
- Diff for missing and stale entries
- Triage each result
- Verify coverage % against the AFDocs threshold
- Spot-check by section
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:
python3pnpm
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
arize.com
Also links to:
llmstxt.org
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 LLMs Txt loads about 2.3k tokens when it runs. Until then it costs about 85 tokens; SKILL.md has 984 words of instructions outside code blocks.
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 984 words (~2,293 tokens).
“docs/phoenix/llms.txt is the machine-readable documentation index for Phoenix, following the llmstxt.org specification. AI agents, coding assistants, and the px docs fetch CLI all consume this file.”
- name
- phoenix-llms-txt
- metadata.internal
- true
Files
Just SKILL.md in .agents/skills/phoenix-llms-txt of Arize-ai/phoenix.
Open the folder on GitHubat commit e471315
Compare with similar skills
Phoenix LLMs Txt 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Phoenix LLMs Txt this skillArize-ai/phoenix | 12k | — | ~2.3k | Automated safety check: Pass | Custom licence | |
| Doc Description Governancelynx-family/lynx-website | 130 | — | ~1.7k | Automated safety check: Pass | Apache-2.0 | |
| Geo Runonvoyage-ai/voyage-geo-agent | 384 | — | ~1.3k | Automated safety check: Notes | MIT | |
| Geo Fundamentalswasp-lang/wasp | 19k | 9 repos | ~861 | Automated safety check: Pass | MIT | |
| SEO GeoReScienceLab/opc-skills | 1.8k | 4 repos | ~2.1k | Automated safety check: Pass | Apache-2.0 | |
| GEO-First SEO Audit Toolzubair-trabzada/geo-seo-claude | 11k | — | ~2.8k | Automated safety check: Notes | MIT |
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Categories
Questions about Phoenix LLMs Txt
What does Phoenix LLMs Txt do?
Maintain the Phoenix llms.txt documentation index at docs/phoenix/llms.txt — the machine-readable docs map used by AI agents and the px docs fetch CLI. Phoenix LLMs Txt is an agent skill from Arize-ai/phoenix.txt — the machine-readable docs map used by AI agents and the px docs fetch CLI.
When should I use Phoenix LLMs Txt?
Phoenix LLMs Txt fits situations like: reorganizing llms.txt entries; the user mentions llms.txt; LLM-friendly documentation.
How do I install Phoenix LLMs Txt in Claude Code?
Run `npx skills add Arize-ai/phoenix --skill phoenix-llms-txt -a claude-code`. Or copy the skill folder (.agents/skills/phoenix-llms-txt in Arize-ai/phoenix) into .claude/skills/phoenix-llms-txt in your project. Claude Code loads it when a task matches its description.
How do I install Phoenix LLMs Txt in Codex?
Run `npx skills add Arize-ai/phoenix --skill phoenix-llms-txt -a codex`. Or copy the skill folder (.agents/skills/phoenix-llms-txt in Arize-ai/phoenix) into .agents/skills/phoenix-llms-txt in your project. Codex loads it when a task matches its description.
Can I use Phoenix LLMs Txt 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-llms-txt -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-llms-txt, .gemini/skills/phoenix-llms-txt, .github/skills/phoenix-llms-txt and .opencode/skills/phoenix-llms-txt in your project.
What does Phoenix LLMs Txt need to run?
Going by SKILL.md and its folder, Phoenix LLMs Txt needs the command-line tools its instructions call (python3 and pnpm). Our summary lists: Python 3.
Does Phoenix LLMs Txt access the network?
SKILL.md names 2 domains. In commands or code: arize.com; the agent is likely to contact it when it follows the instructions. As links in the text: llmstxt.org. This is read from the text; nothing was executed.
Is Phoenix LLMs Txt 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 LLMs Txt use?
Phoenix LLMs Txt 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 LLMs Txt use?
About 2.3k tokens (SKILL.md is roughly 9.2k 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 LLMs Txt?
Skills that share tags, products or a category with Phoenix LLMs Txt: Doc Description Governance (lynx-family/lynx-website, 130 stars), Geo Run (onvoyage-ai/voyage-geo-agent, 384 stars), Geo Fundamentals (wasp-lang/wasp, 19k stars) and SEO Geo (ReScienceLab/opc-skills, 1.8k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Phoenix LLMs Txt?
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.