Printing Press Library CLI
A catalog of 600-plus ready CLIs for agents: a discovery skill picks the tool, and the installer sets up the binary and its skill.
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Broad access
Why this level
- The installer sets up executable Go binaries from different authors and does not authenticate the live catalog.
- Many tools work with service tokens, and some of them use closed platform interfaces.
Install
- Works in
Manual install
npx skills add mvanhorn/printing-press-library/skills/printing-press-library -g -yInstalls the catalog discovery skill for agents compatible with Vercel skills.
Access and checks
How we reviewBroad accessThe tool can change data, run commands or handle secrets.
- The installer sets up executable Go binaries from different authors and does not authenticate the live catalog.
- Many tools work with service tokens, and some of them use closed platform interfaces.
This is third-party code. Review the repository files before installing.
What it does
Printing Press Library holds CLIs produced by the CLI Printing Press generator: each is devoted to one service or data source and comes with a focused `pp-<name>` skill. Examples include the ESPN sports service, flight search, Sentry with a local SQLite copy, 1Password and AdGuard Home. The `printing-press-library` discovery skill is the entry point: given a task or service name it searches the catalog for the right CLI, picks the skill and defers installing the binary until it is needed. The `@mvanhorn/printing-press-library` installer sets up the pair, a Go binary and its skill, and also searches, updates and removes tools. A starter pack of four CLIs includes `espn`, `flight-goat`, `movie-goat` and `recipe-goat`.
Who it is for. Developers and analysts who want to give an agent ready tools for services such as Sentry, Airtable or ESPN instead of hand-made API wrappers.
Good fit when
- An agent needs a tool for a specific service and it should be found by searching a catalog, not written.
- Queries to Sentry or another service run through a local data copy with SQL across several projects.
- A team installs the starter pack with one command to try the approach quickly.
- A task has a focused skill such as `/pp-espn` or `/pp-weather-goat` and it must be called by name.
Not a fit when
- A single tool with official vendor support is required: part of the CLIs are community-made.
- Running compiled Go binaries from third-party sources is not allowed on the machine.
- The task is solved by an ordinary API call with no permanent tool installation.
Example request
Find a Sentry CLI in the Printing Press catalog, install it and show the errors that grew after the last release.Limitations
The installer sets up Go binaries and skills from different authors. It pins releases to the full commit from the catalog but, as the README says, does not authenticate the mutable live catalog or the separately versioned skill installer. The repository states no licence. Some CLIs work with services that have no official API, so a tool can break after those services change. Many tools need service keys or tokens, which you supply. Node.js and `npx` are required.
How to disable. Remove a tool with `npx -y @mvanhorn/printing-press-library uninstall espn --yes`. Delete the `printing-press-library` and `pp-*` skill folders from the agent skills directory and revoke service tokens at the services themselves.
FAQ
How do I install Printing Press Library in Claude Code?
For the discovery skill run `npx skills add mvanhorn/printing-press-library/skills/printing-press-library -g -y`. One tool and its skill install with `npx -y @mvanhorn/printing-press-library install espn`.
What is in the starter pack?
Four tools: `espn` for sports, `flight-goat` for flights, `movie-goat` for films and `recipe-goat` for recipes. The command `npx -y @mvanhorn/printing-press-library install starter-pack` installs them with their skills.
Can I install only the skill without the binary?
Yes. The `--skill-only` flag keeps just the skill and `--cli-only` installs just the binary. A focused skill also installs with `npx skills add mvanhorn/printing-press-library/cli-skills/pp-espn -g`.
How do I find a tool for a task?
Run `npx -y @mvanhorn/printing-press-library search flights` or `list --category travel`. The `--json` flag returns machine-readable output for scripts and agents.
Does the catalog work in other agents?
Yes. Installation is documented for OpenClaw, Hermes and every agent that supports Vercel skills. OpenClaw has `clawhub install printing-press-library` and Hermes has `hermes skills install`.
Discussion
No questions or reviews yet.
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README in short
The README first explains the idea: a well-designed CLI saves an agent tokens and steps. Then come three examples with queries, ways to install the discovery skill, installer commands and a generated catalog table with links to sources and releases.