Printf Tool for Openclaw

A precision formatting utility that brings C-style printf capabilities to your AI agent workflows.

dinghaibin
v1.0.0
May 1, 2026
0
649
0

Install & Download

1. ClawHub CLI

The fastest way to install a skill directly from the registry.

npx clawhub@latest install printf-tool

2. Manual Installation

Copy the skill folder to one of these locations

Global
~/.openclaw/skills/
Workspace
<project>/skills/

Priority: Workspace > Local > Bundled

3. Prompt Installation

Copy this prompt to OpenClaw to install it automatically.

Help me install printf-tool using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).

Prefer to download?

Get the raw skill files in a ZIP archive.

What is Printf Tool?

The Printf Tool is a specialized utility designed for developers and AI agents who require granular control over output formatting. By leveraging standard format specifiers, it allows for the creation of structured, readable, and precisely aligned data displays within terminal environments or logs.

Integrating this utility into your suite of Openclaw Skills ensures that complex data types—ranging from floating-point decimals to hexadecimal values—are rendered consistently. This is particularly valuable for generating reports, debugging variable states, or maintaining strict UI alignment in command-line interfaces.

Printf Tool Use Cases

  • Creating perfectly aligned tables and reports in the terminal using width and padding specifiers.
  • Formatting financial data to ensure exactly two decimal places for currency.
  • Converting standard integers to zero-padded strings for consistent ID generation or file naming.
  • Debugging memory addresses or low-level data by formatting values as hexadecimal.

How Printf Tool Works

  1. The tool receives a format string containing one or more format specifiers (e.g., %s, %d).
  2. The utility parses the subsequent arguments provided by the user or agent.
  3. Each argument is mapped to its corresponding specifier while applying modifiers like width, precision, and padding.
  4. The final, formatted string is rendered to the standard output, providing a clean and structured result.

Printf Tool Setup

To install this utility as part of your Openclaw Skills environment, use the following command:

# Install the printf-tool via your skill manager
openclaw install printf-tool

Verify the installation by running:

printf-tool "System Status: %s" "Online"

Printf Tool Data Schema & Taxonomy

The Printf Tool handles input as a sequence of strings and numeric values, mapping them to the following taxonomy:

Specifier Data Type Description
%s String Standard character sequences
%d Integer Signed decimal integers
%f Float Decimal floating-point numbers
%x Hex Unsigned hexadecimal integers
%0[N]d Padded Int Integers padded with zeros to a width of N

Printf Tool Advanced Features

  • Support for complex width and precision modifiers (e.g., %.2f for rounding).
  • Integration with automated logging pipelines within Openclaw Skills to standardize output formats.
  • Zero-padding and space-alignment for creating consistent visual grids in CLI dashboards.
  • Multi-argument support for building complex multi-variable strings in a single execution.

SKILL.md


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