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Agent skill

Pp Xai

by mvanhorn in mvanhorn/printing-press-library

Printing Press CLI for xAI. An agent skill from mvanhorn/printing-press-library.

Apache-2.0Auto-check: notesBackend & APIs

Install Pp Xai

skills CLI
$ npx skills add mvanhorn/printing-press-library --skill pp-xai -a claude-code

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

GitHub CLI
$ gh skill install mvanhorn/printing-press-library pp-xai --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/mvanhorn/printing-press-library.git skills-src && mkdir -p .claude/skills && cp -r skills-src/library/ai/xai .claude/skills/pp-xai && 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
pp-xai
GitHub stars
2.1k
Token cost
~3.7k tokens
SKILL.md length
1,662 words
Files
173
Skills in repo
506
Repo updated
First seen
Licence
Apache-2.0

At a glance

Printing Press CLI for xAI. An agent skill from mvanhorn/printing-press-library.

  • Works in 3 steps: Install via the Printing Press… → Verify: xai-pp-cli --version → Ensure the reported install directory is…
  • Tasks that involve REST APIs
  • SKILL.md covers Prerequisites: Install the CLI, Unique Capabilities, Command Reference and Auth Setup, plus 8 more sections
  • Calls claude, npx and go; needs XAI_API_KEY

What it does

Pp Xai is an agent skill from mvanhorn/printing-press-library. Printing Press CLI for xAI. REST API for xAI compatible with other providers.

Its SKILL.md is about 3.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 175 other files (for example `.golangci.yml`, `.goreleaser.yaml` and `.manuscripts/20260608-201652/proofs/2026-06-08-151242-fix-xai-pp-cli-build-log-regenerate.md`).

It sits in Backend & APIs, covering REST APIs. The repository describes itself as: Official library of CLIs generated by the CLI Printing Press. Endorsed, tested, and community-contributed. The licence is Apache-2.0.

When your agent uses it

  • Tasks that involve REST APIs

Example prompts

  • “/pp-xai”

Requirements

  • Node.js
  • A credential in XAI_API_KEY
  • Pre-approved tools (allowed-tools): Read, Bash

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. Install via the Printing Press installer. It defaults binaries to $HOME/.local/bin on macOS/Linux and…
  2. Verify: xai-pp-cli --version
  3. Ensure the reported install directory is on $PATH for the agent/runtime that will invoke this skill.

What it can do on your machine

Read from SKILL.md and the folder at commit d9a1696. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Bash

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • claude
    • npx
    • go

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

  • Network

    No URLs in SKILL.md. Its commands use npx, 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 these keys or tokens, usually read from environment variables:

    • XAI_API_KEY

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

Context cost

Pp Xai loads about 3.7k tokens when it runs. Until then it costs about 21 tokens; SKILL.md has 1,662 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~21
When it runs · the whole SKILL.md, loaded when a task matches
~3.7k

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: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Read, Bash

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

The full file from mvanhorn/printing-press-library at commit d9a1696, republished under its Apache-2.0 licence (© mvanhorn). 1,662 words, ~3,662 tokens.

Download SKILL.mdSave it as .claude/skills/pp-xai/SKILL.md (or your agent's skills folder). This skill also uses 172 other files; get the full folder from GitHub.
name
pp-xai
description
Printing Press CLI for xAI. REST API for xAI compatible with other providers.
allowed-tools
Read, Bash
author
Cathryn Lavery
license
Apache-2.0
argument-hint
<command> [args] | install cli|mcp

xAI — Printing Press CLI

Prerequisites: Install the CLI

This skill drives the xai-pp-cli binary. You must verify the CLI is installed before invoking any command from this skill. If it is missing, install it first:

  1. Install via the Printing Press installer. It defaults binaries to $HOME/.local/bin on macOS/Linux and %LOCALAPPDATA%\Programs\PrintingPress\bin on Windows:
    bash
    npx -y @mvanhorn/printing-press-library install xai --cli-only
  2. Verify: xai-pp-cli --version
  3. Ensure the reported install directory is on $PATH for the agent/runtime that will invoke this skill.

If the npx install fails (no Node, offline, etc.), fall back to a direct Go install (requires Go 1.26.6 or newer). This installs into $GOPATH/bin (default $HOME/go/bin), so add that directory to $PATH instead:

bash
go install github.com/mvanhorn/printing-press-library/library/ai/xai/cmd/xai-pp-cli@latest

If --version reports "command not found" after install, the runtime cannot see the binary directory on $PATH. Do not proceed with skill commands until verification succeeds.

Use xAI's REST API from scripts and agents with JSON-first output, local cache support, and MCP tooling. The CLI keeps the official bearer-token contract and exposes read-only inspection commands for model and credential health checks.

Unique Capabilities

These capabilities aren't available in any other tool for this API.

Model planning

  • model-picker — Rank live xAI models for a task using the authenticated model catalog.

    Use this before generation, vision, embedding, image, or video workflows when an agent needs a valid model ID.

    bash
    xai-pp-cli model-picker --task reasoning --json --select recommendations.model,recommendations.why

  • model-capabilities — Build a live capability matrix for the authenticated xAI model catalog.

    Use this when an agent needs to choose between chat, reasoning, vision, embedding, image, and video surfaces.

    bash
    xai-pp-cli model-capabilities --json --select models.id,models.capabilities
Cost and readiness

  • cost-preview — Estimate xAI token cost from live model pricing metadata before sending a request.

    Use this before a large request to estimate prompt and completion cost from xAI's current model metadata.

    bash
    xai-pp-cli cost-preview --task chat --input-tokens 2000 --output-tokens 500 --json

  • smoke-chat — Verify that the authenticated key can run a tiny xAI chat completion.

    Use this after auth setup to prove inference works, not only that the key is syntactically valid.

    bash
    xai-pp-cli smoke-chat --yes --json --select model,success,content_preview

  • api-key — Inspect the authenticated xAI API key status and permissions without exposing the secret value.

    Use this when a workflow fails with authorization errors and the agent needs a safe credential-health check.

    bash
    xai-pp-cli api-key --json --select api_key_blocked,api_key_disabled,acls
Agent readiness

  • api — Browse the complete generated xAI endpoint surface by interface for agent planning and fallback calls.

    Use this when a task needs an endpoint that is not obvious from the top-level command list.

    bash
    xai-pp-cli api

Command Reference

api-key — Manage api key

  • xai-pp-cli api-key — Get information about an API key, including name, status, permissions and users who created or modified this key.

chat — Manage chat

  • xai-pp-cli chat handle-generic-completion-request — Create a chat response from text/image chat prompts.
  • xai-pp-cli chat handle-get-deferred-completion-request — Tries to fetch a result for a previously-started deferred completion.

complete — Manage complete

  • xai-pp-cli complete — (Legacy - Not supported by reasoning models) Create a text completion response.

completions — Manage completions

  • xai-pp-cli completions — (Legacy - Not supported by reasoning models) Create a text completion response for a given prompt.

documents — Manage documents

  • xai-pp-cli documents — Search for content related to the query within the given collections.

embedding-models — Manage embedding models

  • xai-pp-cli embedding-models handle-get-request — Get full information about an embedding model with its model_id.
  • xai-pp-cli embedding-models handle-list-request — List all embedding models available to the authenticating API key with full information.

embeddings — Manage embeddings

  • xai-pp-cli embeddings — Create an embedding vector representation corresponding to the input text.

files — Manage files

  • xai-pp-cli files handle-delete-request — Delete a file by ID.
  • xai-pp-cli files handle-list-request — List files owned by the authenticated team, paginated.
  • xai-pp-cli files handle-retrieve-request — Retrieve metadata for a single file by ID.
  • xai-pp-cli files handle-upload-request — Upload a file to xAI's storage. Returns the file's metadata.

image-generation-models — Manage image generation models

  • xai-pp-cli image-generation-models handle-get-request — Get full information about an image generation model with its model_id.
  • xai-pp-cli image-generation-models handle-list-request — List all image generation models available to the authenticating API key with full information.

images — Manage images

  • xai-pp-cli images handle-edit-request — Edit an image based on a prompt. This is the endpoint for making edit requests to image generation models.
  • xai-pp-cli images handle-generate-request — Generate an image based on a prompt. This is the endpoint for making generation requests to image generation models.

language-models — Manage language models

  • xai-pp-cli language-models handle-get-request — Get full information about a chat or image understanding model with its model_id.
  • xai-pp-cli language-models handle-list-request — List all chat and image understanding models available to the authenticating API key with full information.

me — Manage me

  • xai-pp-cli me — Get information about the currently authenticated caller. Works with both API keys and OAuth tokens.

messages — Manage messages

  • xai-pp-cli messages — Create a messages response. This endpoint is compatible with the Anthropic API.

model-capabilities — Build a live capability matrix for the authenticated xAI model catalog

  • xai-pp-cli model-capabilities — List model IDs, families, input/output modalities, and inferred capabilities.

model-picker — Rank live xAI models for a task using the authenticated model catalog

  • xai-pp-cli model-picker — Recommend models for chat, reasoning, vision, embedding, image, or video work.

models — Manage models

  • xai-pp-cli models handle-get-request — Get information about a model with its model_id, including pricing.
  • xai-pp-cli models handle-list-request — List all models available to the authenticating API key, including model names (ID), creation times, and pricing.

cost-preview — Estimate xAI token cost from live model pricing metadata

  • xai-pp-cli cost-preview — Estimate prompt and completion cost before sending a request.

responses — Manage responses

  • xai-pp-cli responses handle-compact-request — The client sends its current input (the same items that would be passed to POST /v1/responses)
  • xai-pp-cli responses handle-delete-stored-completion-request — Delete a previously generated response.
  • xai-pp-cli responses handle-generic-model-request — Generates a response based on text or image prompts.
  • xai-pp-cli responses handle-get-stored-completion-request — Retrieve a previously generated response.

skills — Manage skills

  • xai-pp-cli skills handle-delete-request — Handle delete request
  • xai-pp-cli skills handle-list-request — Handle list request
  • xai-pp-cli skills handle-retrieve-request — Handle retrieve request
  • xai-pp-cli skills handle-upload-request — Handle upload request

smoke-chat — Verify that the authenticated key can run a tiny xAI chat completion

  • xai-pp-cli smoke-chat — Send a one-token chat request after --yes confirmation.

tokenize-text — Manage tokenize text

  • xai-pp-cli tokenize-text — Tokenize text with the specified model

video-generation-models — Manage video generation models

  • xai-pp-cli video-generation-models handle-get-request — Get full information about a video generation model with its model_id.
  • xai-pp-cli video-generation-models handle-list-request — List all video generation models available to the authenticating API key with full information.

videos — Manage videos

  • xai-pp-cli videos handle-edit-request — Edit a video based on a prompt. This is an asynchronous operation that returns a request_id for polling.
  • xai-pp-cli videos handle-extend-request — Extend a video by generating continuation content.
  • xai-pp-cli videos handle-generate-request — Generate a video from a text prompt and optionally an image.
  • xai-pp-cli videos handle-get-deferred-request — Returns the current status of a video generation job.
Show full SKILL.md (627 more words)Show less
Finding the right command

When you know what you want to do but not which command does it, ask the CLI directly:

bash
xai-pp-cli which "<capability in your own words>"

which resolves a natural-language capability query to the best matching command from this CLI's curated feature index. Exit code 0 means at least one match; exit code 2 means no confident match — fall back to --help or use a narrower query.

Auth Setup

Run xai-pp-cli auth setup for the URL and steps to obtain a token (add --launch to open the URL). Then store it:

bash
xai-pp-cli auth set-token YOUR_TOKEN_HERE

Or set XAI_API_KEY as an environment variable.

Run xai-pp-cli doctor to verify setup.

Agent Mode

Add --agent to any command. Expands to: --json --compact --no-input --no-color --yes.

  • Pipeable — JSON on stdout, errors on stderr

  • Filterable — --select keeps a subset of fields. Dotted paths descend into nested structures; arrays traverse element-wise. Critical for keeping context small on verbose APIs:

    bash
    xai-pp-cli api-key --agent --select id,name,status

  • Previewable — --dry-run shows the request without sending

  • Offline-friendly — sync/search commands can use the local SQLite store when available

  • Non-interactive — never prompts, every input is a flag

  • Explicit retries — use --idempotent only when an already-existing create should count as success, and --ignore-missing only when a missing delete target should count as success

Response envelope

Commands that read from the local store or the API wrap output in a provenance envelope:

json
{
  "meta": {"source": "live" | "local", "synced_at": "...", "reason": "..."},
  "results": <data>
}

Parse .results for data and .meta.source to know whether it's live or local. A human-readable N results (live) summary is printed to stderr only when stdout is a terminal AND no machine-format flag (--json, --csv, --compact, --quiet, --plain, --select) is set — piped/agent consumers and explicit-format runs get pure JSON on stdout.

Agent Feedback

When you (or the agent) notice something off about this CLI, record it:

xai-pp-cli feedback "the --since flag is inclusive but docs say exclusive"
xai-pp-cli feedback --stdin < notes.txt
xai-pp-cli feedback list --json --limit 10

Entries are stored locally at ~/.local/share/xai-pp-cli/feedback.jsonl. They are never POSTed unless XAI_FEEDBACK_ENDPOINT is set AND either --send is passed or XAI_FEEDBACK_AUTO_SEND=true. Default behavior is local-only.

Write what surprised you, not a bug report. Short, specific, one line: that is the part that compounds.

Output Delivery

Every command accepts --deliver <sink>. The output goes to the named sink in addition to (or instead of) stdout, so agents can route command results without hand-piping. Three sinks are supported:

SinkEffect
stdoutDefault; write to stdout only
file:<path>Atomically write output to <path> (tmp + rename)
webhook:<url>POST the output body to the URL (application/json or application/x-ndjson when --compact)

Unknown schemes are refused with a structured error naming the supported set. Webhook failures return non-zero and log the URL + HTTP status on stderr.

Named Profiles

A profile is a saved set of flag values, reused across invocations. Use it when a scheduled agent calls the same command every run with the same configuration - HeyGen's "Beacon" pattern.

xai-pp-cli profile save briefing --json
xai-pp-cli --profile briefing api-key
xai-pp-cli profile list --json
xai-pp-cli profile show briefing
xai-pp-cli profile delete briefing --yes

Explicit flags always win over profile values; profile values win over defaults. agent-context lists all available profiles under available_profiles so introspecting agents discover them at runtime.

Exit Codes

CodeMeaning
0Success
2Usage error (wrong arguments)
3Resource not found
4Authentication required
5API error (upstream issue)
7Rate limited (wait and retry)
10Config error

Argument Parsing

Parse $ARGUMENTS:

  1. Empty, help, or --help → show xai-pp-cli --help output
  2. Starts with install → ends with mcp → MCP installation; otherwise → see Prerequisites above
  3. Anything else → Direct Use (execute as CLI command with --agent)

MCP Server Installation

Install the MCP binary from this CLI's published public-library entry or pre-built release, then register it:

bash
claude mcp add xai-pp-mcp -- xai-pp-mcp

Verify: claude mcp list

Direct Use

  1. Check if installed: which xai-pp-cli If not found, offer to install (see Prerequisites at the top of this skill).
  2. Match the user query to the best command from the Unique Capabilities and Command Reference above.
  3. Execute with the --agent flag:
    bash
    xai-pp-cli <command> [subcommand] [args] --agent
  4. If ambiguous, drill into subcommand help: xai-pp-cli <command> --help.

© mvanhorn, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 172 other files in library/ai/xai of mvanhorn/printing-press-library.

  • SKILL.md
  • .golangci.yml
  • .goreleaser.yaml
  • .manuscripts/20260608-201652/proofs/2026-06-08-151242-fix-xai-pp-cli-build-log-regenerate.md
  • .manuscripts/20260608-201652/proofs/2026-06-08-151242-fix-xai-pp-cli-build-log.md
  • .manuscripts/20260608-201652/proofs/2026-06-08-151242-fix-xai-pp-cli-live-dogfood.json
  • .manuscripts/20260608-201652/proofs/phase5-acceptance.json
  • .manuscripts/20260608-201652/proofs/publish-live-gate.json
  • .manuscripts/20260608-201652/proofs/xai-api-key-live.raw.json
  • .manuscripts/20260608-201652/proofs/xai-doctor-live.json
  • .manuscripts/20260608-201652/proofs/xai-me-live.raw.json
  • .manuscripts/20260608-201652/proofs/xai-models-live.json
  • .manuscripts/20260608-201652/proofs/xai-scorecard-live.json
  • .manuscripts/20260608-201652/proofs/xai-scorecard.json
  • .manuscripts/20260608-201652/proofs/xai-shipcheck.json
  • .manuscripts/20260608-201652/proofs/xai-verify.json
  • .manuscripts/20260608-201652/research.json
  • .manuscripts/20260608-201652/research
  • … and 155 more

Open the folder on GitHubat commit d9a1696

Compare with similar skills

Pp Xai 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.

Pp Xai compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Pp Xai this skillmvanhorn/printing-press-library2.1k—~3.7kAutomated safety check: NotesApache-2.0
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Nodejs Backend Patternsever-works/ever-works16218 repos~4kAutomated safety check: PassAGPL-3.0
OpenAPI to MCP Servermcp-use/mcp-use11k—~5.2kAutomated safety check: PassApache-2.0
Use Yaakmountain-loop/yaak19k—~1.9kAutomated safety check: PassMIT
API DesignerJeffallan/claude-skills12k1 repos~2kAutomated safety check: PassMIT

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Categories

Questions about Pp Xai

What does Pp Xai do?

Printing Press CLI for xAI. An agent skill from mvanhorn/printing-press-library. Pp Xai is an agent skill from mvanhorn/printing-press-library. Printing Press CLI for xAI.

When should I use Pp Xai?

Pp Xai fits situations like: tasks that involve REST APIs.

How do I install Pp Xai in Claude Code?

Run `npx skills add mvanhorn/printing-press-library --skill pp-xai -a claude-code`. Or copy the skill folder (library/ai/xai in mvanhorn/printing-press-library) into .claude/skills/pp-xai in your project. Claude Code loads it when a task matches its description.

How do I install Pp Xai in Codex?

Run `npx skills add mvanhorn/printing-press-library --skill pp-xai -a codex`. Or copy the skill folder (library/ai/xai in mvanhorn/printing-press-library) into .agents/skills/pp-xai in your project. Codex loads it when a task matches its description.

Can I use Pp Xai 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 mvanhorn/printing-press-library --skill pp-xai -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/pp-xai, .gemini/skills/pp-xai, .github/skills/pp-xai and .opencode/skills/pp-xai in your project.

What does Pp Xai need to run?

Going by SKILL.md and its folder, Pp Xai needs the command-line tools its instructions call (claude, npx and go) and credentials named XAI_API_KEY. Our summary lists: Node.js; A credential in XAI_API_KEY. Its frontmatter pre-approves these tools: Read, Bash.

Does Pp Xai access the network?

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

Is Pp Xai safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Pp Xai use?

Pp Xai is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Pp Xai use?

About 3.7k tokens (SKILL.md is roughly 15k 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 Pp Xai?

Skills that share tags, products or a category with Pp Xai: Paperclip (paperclipai/paperclip, 99k stars), Nodejs Backend Patterns (ever-works/ever-works, 162 stars), OpenAPI to MCP Server (mcp-use/mcp-use, 11k stars) and Use Yaak (mountain-loop/yaak, 19k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Pp Xai?

mvanhorn (a GitHub user) maintains it in mvanhorn/printing-press-library, which has 2,056 GitHub stars. The repository holds 506 skills in this directory. The repository was last updated on October 9, 2026.

Source: mvanhorn/printing-press-library on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.