pp-facebook-marketplace SKILL.md skillA

pp-facebook-marketplace from mvanhorn/printing-press-library is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add mvanhorn/printing-press-library/pp-facebook-marketplace@git:20260817.d5a007c

Pins git:20260817.d5a007c in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
mvanhorn/printing-press-library
Path
cli-skills/pp-facebook-marketplace/SKILL.md
Versions recorded
5
Latest version
git:20260817.d5a007c, committed Aug 17, 2026
First version recorded
Jun 5, 2026
Size
12,859 bytes
Repository stars
2,075
License
none declared

A write-gated Marketplace seller CLI for search, listing creation, photo upload, local watches, and replies. Trigger phrases: `search Facebook Marketplace`, `watch Marketplace listings`, `draft a Marketplace listing`, `reply to a Marketplace buyer`.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

<!-- GENERATED FILE — DO NOT EDIT.
     This file is a verbatim mirror of library/commerce/facebook-marketplace/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/". -->

# Facebook Marketplace — Printing Press CLI

## Prerequisites: Install the CLI

This skill drives the `facebook-marketplace-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 `$HOME/.local/bin` on macOS/Linux and `%LOCALAPPDATA%\Programs\PrintingPress\bin` on Windows:
   ```bash
   npx -y @mvanhorn/printing-press-library install facebook-marketplace --cli-only
   ```
2. Verify: `facebook-marketplace-pp-cli --version`
3. Ensure the reported install directory is on `$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):

```bash
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add mvanhorn/printing-press-library/pp-facebook-marketplace@sha256:1409b8c96097aeb7

The line at the top of this page pins the label git:20260817.d5a007c, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_kpxiztbcvjk4juow.svg)](https://markdownregistry.com/a/art_kpxiztbcvjk4juow)

1 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Jun 5, 2026 and Aug 17, 2026, about one every 18 days.

versioncommittedcommitsizeaudit
git:20260817.d5a007c latest2026-08-17 d5a007c 12,859 BA view · diff
git:20260725.2f9345d2026-07-25 2f9345d 12,859 BA view · diff
git:20260708.a53db922026-07-08 a53db92 12,472 BA view · diff
git:20260621.67ed9802026-06-21 67ed980 12,472 BA view · diff
git:20260605.a6db7bf2026-06-05 a6db7bf 12,472 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (12859 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

mvanhorn/printing-press-library · 2,075 stars · license none declared · pushed 2026-10-23 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_kpxiztbcvjk4juow
GET https://markdownregistry.com/api/v1/resolve?ref=mvanhorn/printing-press-library/pp-facebook-marketplace
GET https://markdownregistry.com/api/v1/blob/1409b8c96097aeb7cf9c1874d9f2b775576e6eeb494ae96693b0feda2993f482

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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