@dinghaibin

wget-tool wraps the wget command-line utility for downloading files over http, https, or ftp protocols with resume, recursive mirroring, rate limits, and retry logic. suitable for batch automation and website archival.

uuid-tool generates multiple uuid versions (v1, v4, v5, v7) with bulk generation, deterministic namespace-based creation, and parsing. covers common distributed systems use cases but lacks explicit error handling and recovery guidance.

wc-tool counts lines, words, characters (multibyte-aware), and bytes across files with per-file and total summaries. supports stdin piping, json output, and null-separated file lists for pipeline integration.

wc-lines-tool counts lines in text with categorization by type (blank, code, comment). supports file/stdin input, threshold alerts via exit codes, and json output for pipeline integration.

datetime-tool provides command-line date/time manipulation across multiple formats and timezones, but lacks explicit failure modes, outcome signals, and decision logic necessary for reliable skill orchestration.

backup-tool wraps a python script for file backup/restore with optional gzip/bzip2/xz compression and aes-256 encryption. covers basic cli usage, cron scheduling, and incremental backups but lacks procedure depth and failure handling.

telegram-bot-pro provides basic scaffolding for telegram bot creation via command-line scripts and handler functions, covering message routing and webhook configuration without depth on production concerns.

xxd-tool wraps the standard xxd utility for hex dumping, binary conversion, and byte-level patching. command-line reference docs present but lack workflow guidance and failure handling.

uniq-tool filters or counts consecutive duplicate lines in sorted text. handles deduplication and frequency analysis via command-line flags without requiring workflow orchestration.

read-tool captures single lines from stdin into variables with optional prompts, timeouts, and password masking for shell scripts and interactive workflows.

dinghaibin-image-processor handles basic image transformations including resize, crop, compress, and format conversion via command-line interface. lacks explicit error handling and input validation guidance.

kill-tool sends termination signals to processes by PID, supporting both graceful shutdown (SIGTERM) and forceful termination (SIGKILL) for process lifecycle control.

flow-automation provides yaml-based workflow orchestration with cron scheduling, webhooks, and multi-action chaining. execution model and error recovery remain underspecified.

urlencode-tool encodes and decodes url-safe text per rfc 3986 across query strings, path segments, and form data. batch file processing and multiple output formats supported.

shuf-tool randomizes line order in text input for sampling and selection work. supports fixed-count output, numeric ranges, and replacement modes.

id-tool displays current user and group identity information including uid, gid, and supplementary groups. useful for permission debugging and security context validation on unix-like systems.

which-tool locates executable commands in system PATH and reports their absolute locations. useful for verifying installations, debugging missing commands, and detecting version conflicts via command-line or json output.

random-tool generates cryptographically secure random integers, passwords, and strings via command-line flags. suitable for test data generation and security token creation, but lacks integration depth and error handling documentation.

tree-tool recursively displays directory structures as indented trees. supports depth limiting, filtering by type, and pattern exclusion for visualizing project hierarchies.

dinghaibin-log-analyzer provides CLI-based log parsing with regex pattern matching, error filtering, and summary statistics across common log formats. lacks actionable procedure depth and error handling guidance.

join-tool merges lines from sorted text files on a common field using configurable separators and join indices, mimicking sql join semantics for plain text data.

touch-tool creates empty files and updates timestamps on existing files, supporting selective time changes and conditional file creation for build pipelines and file management tasks.

dinghaibin-password-generator provides command-line password and passphrase generation with configurable character sets and modes (pin, passphrase, batch), but lacks procedural depth and error handling documentation.

realpath-tool resolves relative paths and symbolic links to canonical absolute paths via command-line interface, supporting logical path preservation and relative-to directory output modes.

sha-tool computes sha family hash values (sha1, sha256, sha512) for files and text, supporting basic integrity verification and checksum generation with minimal operational guidance.

yes-tool outputs a repeated string (default 'y') for unattended script confirmation and pipeline testing. supports custom text, rate limiting, hex output, and json formatting.

split-tool fragments large files by line count, byte size, or chunk count. command-line interface with three splitting strategies and minimal operational guidance.

network-tool exposes basic interface enumeration and routing inspection via command flags, but lacks procedural depth, failure handling, and contextual guidance for actual diagnostic workflows.

mkdir-tool wraps filesystem directory creation with parent hierarchy and permission mode support, but lacks integration context, error handling guidance, and decision logic for real automation workflows.

markdown-tool converts markdown to html with commonmark spec support, syntax highlighting, and table of contents generation. lacks actionable integration guidance and error handling documentation.

notify-tool dispatches desktop notifications from scripts and automation with configurable title, message, and urgency levels. lacks depth on failure modes, daemon compatibility, and cross-platform behavior.

stat-tool wraps unix stat functionality to retrieve file metadata, permissions, timestamps, and filesystem information via command-line flags and custom formatting options.

ls-tool wraps directory listing with configurable output formats including permissions, sizes, and timestamps. basic file browsing without decision logic or structured automation.

groups-tool queries unix group membership for a specified user, returning primary and supplementary groups from /etc/group. useful for permission auditing and access control verification without requiring elevated privileges.

nslookup-tool resolves domain names and ip addresses via dns queries. supports forward and reverse lookups plus custom record type queries against specified nameservers.

test-tool evaluates shell conditionals for file existence, directory checks, string comparisons, and numeric arithmetic. returns posix exit codes (0 for true, 1 for false) suitable for script branching logic.

env-tool displays and manages shell environment variables. covers inspection, temporary assignment, and variable querying for runtime environment control.

date-tool provides command-line date formatting and timezone conversion. lacks procedural depth, decision logic, and explicit failure handling for real-world usage.

dinghaibin-qrcode-tool generates qr codes from text and urls with ascii or image output, but lacks actionable workflow steps and error handling documentation.

dinghaibin-screenshot-tool provides cli-based screenshot and screen recording via python script with support for full screen, window, and region capture modes.

grep-tool wraps standard grep functionality for pattern matching across files and directories. covers basic regex search with common flags but lacks actionable procedures and failure handling.

top-tool displays real-time process activity with filtering and sorting options. covers basic system resource monitoring via command-line interface with configurable update intervals.

sys-monitor-dhb provides command-line metric collection for cpu, memory, disk, and network with basic alert thresholds, but lacks intent clarity, decision logic, and failure handling necessary for production monitoring.

umask-tool displays or sets the file creation permission mask, controlling default permissions on new files and directories by subtracting from base modes 666 (files) and 777 (directories).

time-tool wraps command execution to measure wall-clock, user, and system cpu time. suitable for basic performance profiling and script latency analysis.

tr-tool wraps the unix tr utility for character translation, deletion, and squeezing. provides basic examples but lacks procedural depth and error handling guidance.

table-tool formats delimited data into aligned columns with configurable separators and auto-fit widths, but lacks actionable procedure steps and error handling guidance.

rev-tool reverses characters on each line of text input via stdin or file argument. minimal documentation covers basic usage without addressing failure modes or output contracts.

pwd-tool outputs the current working directory path. supports logical and physical path resolution via flags. minimal procedural depth for a filesystem navigation utility.

nc-tool wraps netcat for TCP/UDP network operations. covers port scanning, listening, and data transfer but lacks actionable procedures and error handling guidance.

hex-tool provides basic conversion between hexadecimal, decimal, binary, and ascii formats via command-line interface. suitable for developers examining binary data and file headers during debugging work.

curl-tool wraps http/https/ftp data transfer with support for custom headers, authentication, and file downloads. lacks actionable procedure and failure handling.

sysinfo-tool collects and reports hardware and os metrics via command-line flags. lacks procedural depth, error handling, and decision logic for practical automation contexts.

dinghaibin-text-to-speech converts text to audio via command-line interface with language selection, voice options, and speed control. lacks error handling documentation and operational context for integration.

tail-tool displays the last lines of files with basic options for line count, byte count, and real-time following. covers common log monitoring use cases with minimal configuration.

ascii-tool converts between character codes and text encodings in decimal, hex, and binary formats. basic character lookup and ascii table generation included.

regex-tool provides basic command-line regex matching with flags for case-insensitive search, replacement, and global matching. lacks procedural depth and failure guidance.

netstat-tool wraps the netstat command for viewing active connections, listening ports, and routing tables. suitable for basic network diagnostics but lacks procedural depth and error handling guidance.

tar-tool wraps standard tar operations (create, extract, list) with support for gzip, bzip2, and xz compression. lacks decision logic, error handling guidance, and integration context.

ping-tool sends icmp echo requests to measure network connectivity and latency. lacks procedural depth, decision logic, and explicit handling of common failure modes like timeouts or unreachable hosts.

fmt-tool reformats text paragraphs to specified widths, normalizes whitespace, and cleans up messy files via command-line flags. basic unix utility with minimal workflow integration.

sudo-tool wraps superuser command execution via sudoers configuration. minimal procedural guidance, no error handling or decision logic.

json-tool provides basic json formatting, validation, and conversion operations via command-line interface. covers pretty printing, minification, path queries, and output to yaml/csv/xml.

true-tool returns exit code 0 unconditionally, serving as a no-op placeholder in shell scripts, loops, and conditional expressions where success is guaranteed.

sha1-tool computes 160-bit sha-1 hashes for file integrity verification and data fingerprinting via command line interface.

paste-tool merges corresponding lines from multiple files into columnar output with configurable delimiters. intended for aligning data from separate sources into tabular format.

tac-tool reverses file line order for log inspection and content processing. minimal documentation covers basic syntax without operational depth or failure handling.

cat-tool wraps the unix cat command for file concatenation and display. it supports multiple files, line numbering, and blank line squeezing via command-line flags.

chmod-tool wraps standard file permission modification with support for both symbolic and numeric modes, but lacks actionable procedure and failure handling.

alias-tool documents basic shell alias creation and management. lacks actionable procedure, edge case handling, and systematic skill structure.

calc-tool provides command-line arithmetic, trigonometric functions, and unit conversion via a simple expression interface, but lacks actionable procedural guidance.

clear-tool provides command-line operations with standard flags and pipe compatibility, but the skill definition lacks actionable intent, concrete procedures, and use-case specificity.

cal-tool is a command-line utility for calendar operations, though the skill definition lacks actionable procedures, concrete examples, and failure handling guidance.

Parse, aggregate and process RSS/Atom feeds. Use when user wants to track multiple RSS feeds, create personalized news digest, monitor blog updates, or build...

Work with Notion databases, pages, and APIs. Use when user needs to create, read, update, or delete Notion pages and databases; automate Notion workflows; sy...

Extract data from websites and APIs for analysis. Use when user needs to collect product prices from e-commerce sites, gather news articles, extract structur...

Encode and decode base64 data. Support for standard and URL-safe variants.

Perform chown-tool operations from the command line.

Perform clipboard-tool operations from the command line.

Extract specific fields or columns from text files using delimiter-based parsing. Use when you need to select columns from CSV, TSV, or delimited data.

Wrap long lines of text to a specified width. Use for formatting text files to fit within column limits.

Format and beautify text output for better readability. Use for cleaning up structured data and aligning columns.

Display amount of free and used memory in the system. Use for monitoring memory usage and diagnosing performance issues.

Useful Git commands for repository management. Use when user needs to manage git repositories, create branches, view history, stash changes, or automate git...

Display the first lines of files. Use for quickly previewing file contents, checking headers, or sampling data.

Compute cryptographic hash values of files and text. Use for verifying file integrity, checksums, and data validation.

Display or set the system hostname. Use for identifying the current machine on a network and configuring system identity.

Display file contents in hexadecimal and ASCII format. Use for binary file analysis, forensic examination, and low-level data inspection.

Create hard and symbolic links between files. Use for file referencing, shortcuts, and directory organization.

View file contents with interactive scrolling and search. Use for reading log files, code, and large text documents with pagination.

Compute MD5 cryptographic hash values for files and text. Use for file integrity verification and checksum validation.

Move or rename files and directories. Use for file organization, relocation, and renaming operations.

Number lines of text files, showing line numbers alongside content. Use for reference, indexing, and code line numbering.

Dump file contents in octal, decimal, hexadecimal, and ASCII formats. Use for binary data inspection and low-level file analysis.

Work with PDF files including merge, split, extract text, and convert. Use when user needs to combine multiple PDFs, split a PDF into pages, extract text fro...

Display information about active processes. Use for monitoring running programs, checking resource usage, and system diagnostics.

Format and print data with precise control over output format. Use for formatted output with padding, precision, and type specifications.

Output text and variable values to standard output. Use for displaying messages, script output, and debug information.

Display the target of a symbolic link. Use for resolving symlinks to find the actual file or directory they point to.

Reverse the order of lines or characters in text input. Use for text transformation, palindrome checking, and data reordering.

Stream editor for filtering and transforming text using scripts. Use for find-and-replace, text manipulation, and batch file editing.

Generate sequences of numbers with configurable start, end, and increment values. Use for creating numbered lists, loops, and ranges.

Securely copy files between local and remote hosts over SSH. Use for file transfers, remote backups, and deployment tasks.

Compute SHA-256 cryptographic hash values for files and text. Use for secure data verification and integrity checks.

Sort lines of text files alphabetically or numerically. Use for data preparation, list organization, and output formatting.

Delay execution for a specified amount of time. Use for timing in scripts, waiting between operations, and scheduling delays.

Sort lines of text alphabetically or numerically. Use for data organization, list management, and text file preparation.

Monitor system metrics like CPU, memory, disk, and network. Use when user needs to track server performance, set up alerts for high resource usage, monitor u...

Process text templates with variable substitution. Use for generating dynamic content from template files.

Read from stdin and write to both stdout and files. Use for saving pipe output while still displaying it on screen.

Convert between Unix timestamps and human-readable dates. Use for time conversion, log analysis, and date arithmetic.

Apply data transformations like case changes, encoding conversion, and format conversion. Use for text processing and data cleaning.

Trace network path to a destination host. Use for network diagnostics, latency analysis, and routing path discovery.

Convert spaces to tabs in text files. Use for consistent indentation and reducing file size by replacing spaces with tabs.

List, test, and extract files from ZIP archives. Use when you need to decompress or inspect ZIP file contents.

Create and manage short URLs with custom aliases and tracking. Use when user needs to shorten long URLs, create memorable custom links, track click statistic...

Validate data formats including JSON, email, URL, file paths, IP addresses, and phone numbers with detailed error reporting and batch processing.

Show system uptime, load average, active user count, and boot time. Use for system health checks, monitoring, and diagnostics.

Download videos from YouTube and other video platforms. Use when user needs to download videos for offline viewing, extract audio from videos, or save video...

Count characters in text input — total, non-whitespace, CJK, and Unicode-aware character counts. Useful for text analysis, content length limits, and i18n va...

Get current weather and forecasts. Use when user needs to check current weather, get forecast for travel planning, or monitor weather conditions.

Count words in text — total, unique, per-line, with frequency analysis. Useful for readability metrics, content analysis, translation estimation, and documen...

Monitor web pages for content changes with CSS selector targeting, change detection via hashing, and notification integration. Use for price tracking, conten...

Print the current effective username. Simple identity query for scripts, session tracking, and access control verification.

Build and execute command lines from standard input — batch process arguments, parallel execution, argument substitution, and delimiter control.

Package and compress files into ZIP archives with configurable compression levels, password protection, directory recursion, and cross-platform compatibility...

Identity verification utility — validate current user against expected roles, check sudo access, and audit user capabilities. Extended whoami for security an...

Perform cron-tool operations from the command line.

Remove files and directories permanently. Use for file deletion, cleanup, and disk space management.

Securely connect to remote systems via the SSH protocol. Use for remote server management, file transfer, and tunneling.

Schedule and run recurring tasks on Linux/Unix systems. Use when user wants to set up cron jobs, scheduled backups, periodic data sync, automated reports, or...