File Ops
File manipulation and management
pdf-text-replace
by instavm
Replace text in fillable PDF forms by updating form field values. This skill should be used when users need to update names, addresses, dates, or other text in PDF form fields.
linkers-lto
by mohitmishra786
Linker and Link-Time Optimisation (LTO) skill. Use when configuring GNU ld, gold, or lld linker flags, diagnosing link-order issues or undefined symbols at link time, enabling LTO safely in real projects, or understanding inter-module optimisation trade-offs. Activates on queries about linker flags, -flto, thin LTO, LTCG, --gc-sections, link order errors, weak symbols, or linker scripts.
flow-shop-scheduling
by kishorkukreja
When the user wants to solve Flow Shop Scheduling Problems (FSP), optimize production on assembly lines, or minimize makespan with linear routing. Also use when the user mentions "flow shop," "FSP," "permutation flow shop," "assembly line scheduling," "sequential processing," or "linear production." For job shop (flexible routing), see job-shop-scheduling.
hub-location-problem
by kishorkukreja
When the user wants to solve hub location problems, design hub-and-spoke networks, optimize hub placement for logistics networks. Also use when the user mentions "hub location," "hub-and-spoke," "p-hub median," "hub covering," "single allocation hub," "multiple allocation hub," "airline hub network," "postal hub network," or "consolidation center location." For general facility location, see facility-location-problem. For distribution centers, see distribution-center-network.
rust-tests-guidelines
by RediSearch
Guidelines for writing Rust tests. Use this when you want to write Rust tests.
read-unmodified-c-module
by RediSearch
Read the source of the C module we are working on, before we made any changes.
check-rust-coverage
by RediSearch
Check which Rust lines are not covered by Rust tests. Use this when you developed new Rust code and want to ensure it is tested.
analyze-rust-ffi-crate-surface
by RediSearch
Determine which parts of the C codebase use Rust-defined C symbols. Use this when you want to understand which C code files may be impacted by changes to a Rust FFI crate.
review-rust-docs
by RediSearch
Review the documentation of a Rust crate to ensure it meets our requirements and standards. Use this when you have done changes to Rust code.
write-rust-tests
by RediSearch
Write Rust tests to verify correctness of Rust code. Use this when you want to write Rust tests.
constructing-landing-pages
by dmend3z
"Builds high-impact landing page narratives that turn visitors into customers. Use this skill to construct a complete messaging framework that connects with your audience on an emotional level and logically guides them toward a single, desired action."
direct-response-advertising
by dmend3z
"This skill transforms Claude into a direct response advertising specialist. Use it to create high-converting campaigns that drive immediate action and maximize ROI. Trigger keywords: direct response, conversion, CTA, landing page."
designing-email-journeys
by dmend3z
"Builds data-driven email sequences to turn subscribers into loyal customers. Use this skill to create automated email campaigns that nurture leads, onboard new users, and retain existing customers."
x-twitter
by alberduris
Interact with X (Twitter) API v2. Post tweets, search, engage, moderate, and analyze â all from your AI agent. Full 31-command skill for Twitter/X automation.
btc-bottom-model
by star23
Bitcoin cycle timing model with weighted scoring system. Tracks 13 indicators across 2 categories — Daily Pulse (4 indicators, 32 points) and Weekly Structure (9 indicators, 68 points) — producing a composite 0-100 Market Heat Score. Covers ETF flows, funding rate, long/short ratio, fear & greed index, LTH-MVRV, NUPL, SOPR (LTH + STH), LTH supply %, moving average multiples (365d MA, 200w MA), weekly RSI, and volume trends. Provides both buy AND sell recommendations across the full market cycle. Use this skill when users mention Bitcoin bottom-fishing, BTC cycle position, whether to buy or sell BTC, on-chain metrics, MVRV, NUPL, SOPR, LTH behavior, ETF inflows/outflows, funding rates, fear index, whether Bitcoin is overheated, miner cost, crypto market sentiment, BTC position sizing, or any question like "Should I buy Bitcoin now?" or "Is BTC topping out?" or "What do on-chain indicators say?"
slack-memory-store
by krafton-ai
Comprehensive memory storage system for AI employees in IT companies who communicate via Slack. Automatically classifies and stores diverse information types (Slack messages, Confluence docs, emails, meetings, projects, decisions, feedback) in an organized folder structure with efficient indexing and retrieval. Use when managing or searching employee memory, storing conversations, documenting decisions, tracking projects, or organizing any work-related information.
slack-memory-retrieval
by krafton-ai
Retrieve and utilize stored memories for AI employees in Slack environments. Efficiently searches and loads relevant context (channels, users, projects, decisions, meetings) from organized memory storage to inform responses. Use this when answering questions that require historical context, user preferences, project status, or any previously stored information. Works with slack-memory-store storage system.
docx
by krafton-ai
"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"
design-lab
by 0xdesign
Conduct design interviews, generate five distinct UI variations in a temporary design lab, collect feedback, and produce implementation plans. Use when the user wants to explore UI design options, redesign existing components, or create new UI with multiple approaches to compare.
apple-mail
by mitsuhiko
"Search, read, and extract attachments from Apple Mail's local storage. Query emails by sender, recipient, subject, body, date, mailbox, and flags. Read raw RFC822 messages and extract file attachments."
controlling-spotify
by oaustegard
Control Spotify playback and manage playlists via MCP server. Use when user requests playing music, controlling Spotify, creating playlists, searching songs, or managing their Spotify library.
invoking-github
by oaustegard
Enables GitHub repository operations (read/write/commit/PR) for Claude.ai chat environments. Use when users request GitHub commits, repository updates, DEVLOG persistence, or cross-session state management via GitHub branches. Not needed in Claude Code (has native git access).
creating-mcp-servers
by oaustegard
Creates production-ready MCP servers using FastMCP v2. Use when building MCP servers, optimizing tool descriptions for context efficiency, implementing progressive disclosure for multiple capabilities, or packaging servers for distribution.
exploring-codebases
by oaustegard
Semantic search for codebases. Locates matches with ripgrep and expands them into full AST nodes (functions/classes) using tree-sitter or pre-generated _MAP.md files. Returns complete, syntactically valid code blocks rather than fragmented lines. Use when looking for specific implementations, examples, or references where full context is needed.