interstellar-code/claud-skills

Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.

This skill automates changelog updates, version bumps, and release creation by analyzing uncommitted changes and synchronizing package versions for secure

This skill automatically suggests modern CLI alternatives to speed up workflows, improving UX and developer productivity with bat, eza, fd, and ripgrep.

This skill enables token-efficient markdown parsing, editing, and diagram generation across platforms using native CLI tools.

This skill enables native Python-based management of Claude Code skills, enabling/disabling and permission handling without token-heavy LLM parsing.

This skill helps you execute fast, token-efficient database queries using SQL-CLI for MySQL and PostgreSQL with automatic .env reading.

This skill provides fast, cross-platform time operations using native PHP to convert zones, get current time, and calculate dates with minimal tokens.

This skill assists you create, edit, and analyze pptx presentations by handling content, layouts, notes, and comments for polished slides.

This skill provides a centralized colored output formatter to ensure consistent, minimal colored messaging across all skills and agents, improving readability.

This skill analyzes logs across frameworks using lnav, prunes old data, and saves 70-80% tokens by focusing on today's entries.