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Agent skill

Pp Linq

by mvanhorn in mvanhorn/printing-press-library

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

Apache-2.0Auto-check: notesBackend & APIs

Install Pp Linq

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

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

GitHub CLI
$ gh skill install mvanhorn/printing-press-library pp-linq --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/cli-skills/pp-linq .claude/skills/pp-linq && 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-linq
GitHub stars
2.1k
Token cost
~4k tokens
SKILL.md length
1,337 words
Files
1
Skills in repo
506
Repo updated
First seen
Licence
Apache-2.0

At a glance

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

  • Works in 3 steps: Install via the Printing Press… → Verify: linq-pp-cli --version → Ensure the reported install directory is…
  • Tasks that involve OpenAPI specifications
  • SKILL.md covers Prerequisites: Install the CLI, Generic Linq messaging…, Command Reference and Auth Setup, plus 8 more sections
  • Calls go, claude and npx; needs LINQ_API_V3_API_KEY

What it does

Pp Linq is an agent skill from mvanhorn/printing-press-library. Printing Press CLI for Linq. Community-curated OpenAPI 3.1 blueprint for the Linq Partner API, derived from https://docs.linqapp.

Its SKILL.md is about 4k 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 Backend & APIs, covering OpenAPI specifications. It works with OpenAPI. 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 OpenAPI specifications

Example prompts

  • “/pp-linq”

Requirements

  • Node.js
  • A credential in LINQ_API_V3_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: linq-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 76de244. 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:

    • go
    • claude
    • npx

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

  • Network

    Links to these hosts (documentation or services it may open):

    • docs.linqapp.com

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

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • LINQ_API_V3_API_KEY

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

Context cost

Pp Linq loads about 4k tokens when it runs. Until then it costs about 34 tokens; SKILL.md has 1,337 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~34
When it runs · the whole SKILL.md, loaded when a task matches
~4k

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 76de244, republished under its Apache-2.0 licence (© mvanhorn). 1,337 words, ~4,045 tokens.

Download SKILL.mdSave it as .claude/skills/pp-linq/SKILL.md (or your agent's skills folder).
name
pp-linq
description
Printing Press CLI for Linq. Community-curated OpenAPI 3.1 blueprint for the Linq Partner API, derived from https://docs.linqapp.
allowed-tools
Read, Bash
author
Cathryn Lavery
license
Apache-2.0
argument-hint
<command> [args] | install cli|mcp
<!-- GENERATED FILE — DO NOT EDIT.
     This file is a verbatim mirror of library/social-and-messaging/linq/SKILL.md,
     regenerated post-merge by tools/generate-skills/. Hand-edits here are
     silently overwritten on the next regen. Edit the library/ source instead.
     See the repository agent guide, section "Generated artifacts: registry.json, cli-skills/". -->

Linq — Printing Press CLI

Prerequisites: Install the CLI

This skill drives the linq-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 linq --cli-only
  2. Verify: linq-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/social-and-messaging/linq/cmd/linq-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.

Community-curated OpenAPI 3.1 blueprint for the Linq Partner API, derived from https://docs.linqapp.com/api and cross-checked against github.com/linq-team/linq-go/api.md. The blueprint is generic and contains no private deployment-specific behavior or examples.

Generic Linq messaging experience

Use these commands for ordinary Linq rich messaging.

Core workflow:

bash
linq-pp-cli compose preview --text "Congrats!" --effect screen:confetti --decorate 0:8:bold --preferred-service iMessage --agent
linq-pp-cli compose send --chat-id ch_123 --text "Congrats!" --effect screen:confetti --idempotency-key req_123 --agent --dry-run

Typing indicators:

bash
linq-pp-cli typing start --chat-id ch_123 --agent --dry-run
linq-pp-cli typing stop --chat-id ch_123 --agent --dry-run
linq-pp-cli typing pulse --chat-id ch_123 --dwell 800ms --agent --dry-run
tail -f ./debug/linq-webhooks.ndjson | linq-pp-cli typing watch --agent
linq-pp-cli webhooks add-event sub_123 chat.typing_indicator.started chat.typing_indicator.stopped --agent --dry-run
linq-pp-cli webhooks doctor --subscription-id sub_123 --agent
linq-pp-cli capability check +15551234567 --agent

Effects and decorations:

bash
linq-pp-cli effects list --agent
linq-pp-cli effects preview --text "Hello world" --decorate 0:5:bold --decorate 6:11:shake --agent

Attachments:

bash
linq-pp-cli attachments plan --file ./photo.jpg --agent
linq-pp-cli attachments upload --file ./photo.jpg --agent --dry-run
linq-pp-cli attachments send-url --chat-id ch_123 --url https://cdn.example/photo.jpg --text "Photo attached" --agent --dry-run
linq-pp-cli attachments send-id --chat-id ch_123 --attachment-id att_123 --text "Photo attached" --agent --dry-run
linq-pp-cli attachments audit-url https://cdn.example/photo.jpg --agent
linq-pp-cli attachments cleanup --attachment-id att_123 --agent --dry-run

Rich link previews:

bash
linq-pp-cli link-preview audit https://example.com --agent
linq-pp-cli link-preview send --chat-id ch_123 --url https://example.com --agent --dry-run
linq-pp-cli link-preview metadata https://example.com --agent --dry-run

Reactions and contact sharing:

bash
linq-pp-cli react add --message-id msg_123 --type like --agent --dry-run
linq-pp-cli react remove --message-id msg_123 --type like --agent --dry-run
linq-pp-cli react custom --message-id msg_123 --emoji "tada" --agent --dry-run
linq-pp-cli contact-share preflight --chat-id ch_123 --from +16282893046 --agent --dry-run
linq-pp-cli contact-share send --chat-id ch_123 --from +16282893046 --yes --agent --dry-run

Protocol rules to preserve: typing, effects, and decorations are iMessage-only; inbound typing indicators are push-only webhook events and this CLI only manages subscriptions or inspects captured streams; rich previews and reactions work on iMessage/RCS and simplify on SMS; link preview parts must be the only part; first outbound chat openers must not contain links.

For inbound typing awareness, enable both typing events on the target subscription with a dry-run first:

bash
linq-pp-cli webhooks add-event sub_123 chat.typing_indicator.started chat.typing_indicator.stopped --agent --dry-run
linq-pp-cli webhooks doctor --subscription-id sub_123 --agent

webhook-subscriptions update-awebhook-subscription sends a full replacement subscribed_events array for that field, not a delta. Prefer webhooks add-event / remove-event so the CLI fetches the current set, validates event names against webhook-events, computes the union/diff, and sends the correct replacement array.

Command Reference

attachments — Plan, upload, audit, send, and clean up attachments

  • linq-pp-cli attachments plan — Decide direct URL versus pre-upload based on local file size.
  • linq-pp-cli attachments upload — Request a pre-upload URL and upload file bytes.
  • linq-pp-cli attachments send-url — Send a public HTTPS media URL in a message.
  • linq-pp-cli attachments send-id — Send a pre-uploaded attachment ID in a message.
  • linq-pp-cli attachments audit-url — Check HTTPS and attachment lifecycle guidance for a media URL.
  • linq-pp-cli attachments cleanup — Delete an owned Linq attachment.
  • linq-pp-cli attachments delete-an — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.
  • linq-pp-cli attachments get-metadata — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.
  • linq-pp-cli attachments pre-upload-afile — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.

capability — Check whether an address can use iMessage, RCS, or SMS

  • linq-pp-cli capability check <address>... — Resolve addresses to imessage, rcs, or sms; masks the full address in output and reports typing/effects/read receipt support.
  • linq-pp-cli capability check-imessage — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.
  • linq-pp-cli capability check-rcscapability — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.

chats — Manage chats

contact-card — Manage iMessage contact cards for sending phone numbers

  • linq-pp-cli contact-card get — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.
  • linq-pp-cli contact-card create --phone-number +15551234567 --first-name Acme --last-name Support --image-url https://cdn.example.com/contact-card.jpg — Create a contact card for a sending phone number. setup remains available as an alias.
  • linq-pp-cli contact-card update --phone-number +15551234567 --first-name Acme --last-name Support — Update an existing active contact card. Use --stdin for raw JSON bodies.

messages — Manage messages

  • linq-pp-cli messages delete-amessage-from-system — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.
  • linq-pp-cli messages edit-the-content-of-amessage-part — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.
  • linq-pp-cli messages get-amessage-by-id — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.

phone-numbers — Manage phone numbers

phonenumbers — Manage phonenumbers

webhook-events — Manage webhook events

webhook-subscriptions — Manage webhook subscriptions

  • linq-pp-cli webhook-subscriptions create-anew — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.
  • linq-pp-cli webhook-subscriptions delete-awebhook-subscription — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.
  • linq-pp-cli webhook-subscriptions get-awebhook-subscription-by-id — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.
  • linq-pp-cli webhook-subscriptions list-all — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.
  • linq-pp-cli webhook-subscriptions update-awebhook-subscription — Source: https://docs.linqapp.com/api. Cross-check: github.com/linq-team/linq-go/api.md.

webhooks — Manage webhook subscriptions safely

  • linq-pp-cli webhooks list — List subscriptions with target URLs and subscribed event sets.
  • linq-pp-cli webhooks show <id> — Show one subscription with its subscribed event set.
  • linq-pp-cli webhooks add-event <id> <event>... — Fetch current events, validate requested events, union them, and send the full replacement subscribed_events array.
  • linq-pp-cli webhooks remove-event <id> <event>... — Fetch current events, validate requested events, remove them, and send the full replacement subscribed_events array.
  • linq-pp-cli webhooks set-events <id> <event>... — Explicitly replace the subscription's event set.
  • linq-pp-cli webhooks doctor — Compare subscriptions against expected events and warn when inbound typing events are missing.
Finding the right command

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

bash
linq-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.

Show full SKILL.md (570 more words)Show less

Auth Setup

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

bash
linq-pp-cli auth set-token YOUR_TOKEN_HERE

Or set LINQ_API_V3_API_KEY as an environment variable.

Run linq-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
    linq-pp-cli contact-card get --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:

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

Entries are stored locally at ~/.local/share/linq-pp-cli/feedback.jsonl. They are never POSTed unless LINQ_FEEDBACK_ENDPOINT is set AND either --send is passed or LINQ_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.

linq-pp-cli profile save briefing --json
linq-pp-cli --profile briefing contact-card get
linq-pp-cli profile list --json
linq-pp-cli profile show briefing
linq-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 linq-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

  1. Install the MCP server:
    bash
    go install github.com/mvanhorn/printing-press-library/library/social-and-messaging/linq/cmd/linq-pp-mcp@latest
  2. Register with Claude Code:
    bash
    claude mcp add linq-pp-mcp -- linq-pp-mcp
  3. Verify: claude mcp list

Direct Use

  1. Check if installed: which linq-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
    linq-pp-cli <command> [subcommand] [args] --agent
  4. If ambiguous, drill into subcommand help: linq-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

Just SKILL.md in cli-skills/pp-linq of mvanhorn/printing-press-library.

Open the folder on GitHubat commit 76de244

Compare with similar skills

Pp Linq 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.

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Step Partsearthtojake/text-to-cad19k1 repos~1.5kAutomated safety check: PassMIT
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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Works with

Categories

Questions about Pp Linq

What does Pp Linq do?

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

When should I use Pp Linq?

Pp Linq fits situations like: tasks that involve OpenAPI specifications.

How do I install Pp Linq in Claude Code?

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

How do I install Pp Linq in Codex?

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

Can I use Pp Linq 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-linq -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-linq, .gemini/skills/pp-linq, .github/skills/pp-linq and .opencode/skills/pp-linq in your project.

What does Pp Linq need to run?

Going by SKILL.md and its folder, Pp Linq needs the command-line tools its instructions call (go, claude and npx) and credentials named LINQ_API_V3_API_KEY. Our summary lists: Node.js; A credential in LINQ_API_V3_API_KEY. Its frontmatter pre-approves these tools: Read, Bash.

Does Pp Linq access the network?

SKILL.md names 1 domain. As links in the text: docs.linqapp.com. This is read from the text; nothing was executed.

Is Pp Linq 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 Linq use?

Pp Linq 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 Linq use?

About 4k tokens (SKILL.md is roughly 16k 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 Linq?

Skills that share tags, products or a category with Pp Linq: ToolJet Marketplace Plugin Builder (ToolJet/ToolJet, 41k stars), Step Parts (earthtojake/text-to-cad, 19k 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 Linq?

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.