Build modern peer-to-peer applications with Iroh. QUIC-based P2P networking, hole punching, content distribution, and decentralized data synchronization.

Manage enterprise contracts with Ironclad's digital contracting platform.

Classify work type from issue metadata (CLI not yet available)

issue-feature

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Search and list issues via Fractary CLI

Triage and analyze GitHub issues from iNavFlight/inav repository

**Seed question:** *Is this ACTUALLY verified, or did I just say it is?*

Discover Java API signatures from compiled JARs using javap instead of guessing or relying on incomplete documentation. Use when encountering unknown methods, pagination patterns, union types, or compilation errors from incorrect API assumptions.

Core CDI patterns including constructor injection, scopes, producers, and container configuration

Implement error-as-value pattern in Java using Result type for type-safe error handling. Use this skill when implementing error handling without exceptions, converting try-catch to Result pattern, or designing type-safe error handling in Java applications. Particularly useful for functional programming style, API design, and when errors are expected and recoverable.

Expert-level Java development with Java 21+ features, Spring Boot, Maven/Gradle, and enterprise best practices

Core JavaScript language features, patterns, and best practices including ES6+ syntax, async/await, closures, prototypes, and modern development patterns

jellyfin

Investigates JetBrains IntelliJ Platform theme properties by searching source code. Use when user asks about UI theming, icon colors, tab spacing, component styling, or needs to find what properties are themeable vs hardcoded in IntelliJ-based IDEs.

Organize and manage Jira boards, issues, and sprints. Use when the user wants to: (1) List, create, update, or transition Jira issues, (2) View or manage sprints, (3) Assign issues or change status, (4) Query issues with JQL, (5) Manage Jira boards. Requires environment variables JIRA_URL, JIRA_USERNAME, JIRA_API_TOKEN, and optionally JIRA_PROJECTS_FILTER.

jira-builders

Interact with Jira from the command line to create, list, view, edit, and transition issues, manage sprints and epics, and perform common Jira workflows. Use when the user asks about Jira tasks, tickets, issues, sprints, or needs to manage project work items.

Creates well-structured JIRA tickets in the HYPERFLEET project with required fields including What/Why/Acceptance Criteria, story points, and activity type. Activates when users ask to create a ticket, story, task, or epic.

Structured TODO commit workflow using JJ (Jujutsu). Use to plan tasks as empty commits with [task:*] flags, track progress through status transitions, manage parallel task DAGs with dependency checking. Enforces completion discipline. Enables to divide work between Planners and Workers. **Requires the working-with-jj skill**

Jujutsu is a next-generation version control system that uses Git repositories as storage while providing a fundamentally different and more powerful user experience. This skill includes the complete

Jujutsu (jj) is a Git-compatible distributed version control system with a fundamentally better mental model. It treats the working copy as a commit, distinguishes changes from revisions, and provides

Enables JMAP email operations using Node.js and jmap-jam library. Use when working with JMAP email servers, FastMail, Cyrus IMAP, Stalwart Mail Server, or when user mentions email search, reading, sending, or mailbox management.

Эксперт по job descriptions. Используй для создания вакансий, требований и EVP.

Analyze fit between job requirements and background using lexicons - identifies gaps, develops reframing strategies, creates cover letter plan

JOIN.com Bewerbungsmanagement - neue Bewerbungen anzeigen, Gehaltsvorstellungen prüfen, PDFs automatisch zu Google Drive hochladen. Use when user asks about applications, candidates, job applications, Bewerbungen, or JOIN.

Jotai atomic state management patterns. Use when implementing fine-grained reactive state.

Interact with the Journal API to manage projects, documents, tasks, and workspaces. Use when the user mentions journal, projects, documents, tasks, workspaces, task identifiers like JO-123, or needs to access Journal data.

Comprehensive toolkit for building applications with JPYC (Japanese Yen Pegged Coin). Use this skill when developing with JPYC token, implementing payment features, integrating JPYC SDK, deploying JPYC contracts to Base Sepolia, or building DApps with JPYC. Supports both JPYC SDK v1 usage and direct Solidity smart contract development with Hardhat, ethers.js, viem, Next.js, and React.

name: json-rpc-expert

將 JSON 資料片段轉換為 Java Record 類別。適用於需要從 API 回應或 JSON 資料建立強型別 Java 類別的情境。

jsr release workflow for Deno projects. Use when publishing or releasing packages to JSR (JavaScript Registry) using Deno.

This skill provides guidance for using the persistent Julia REPL via MCP tools. AgentREPL maintains a worker subprocess for code evaluation, eliminating the "Time to First X" (TTFX) startup penalty th

Complete Calibre library management - add/remove books, convert PDF to EPUB, metadata editing, library analysis, cleanup, and e-reader sync (Sony PRS-T1). Use for any ebook or Calibre operation.

Guide for creating CLAUDE.md files. Use when: user asks to create CLAUDE.md, document project, add project instructions, or mentions CLAUDE.md.

Core server management for Hostinger VPS srv759970 - SSH access, system status, maintenance tasks, and disk space reclamation. Use for any server operation, connection issues, or maintenance tasks.

Docker management for Hostinger VPS srv759970 - container operations, image optimization, WordPress Docker, troubleshooting. Use for any Docker operation, container issues, or image management.

Security management for Hostinger VPS srv759970 - Fail2ban, WordPress security audits (25+ checks, 0-100% scoring), infrastructure audit. Use for security hardening, IP bans, or security assessments.

Web infrastructure for Hostinger VPS - Nginx, SSL/Let's Encrypt, static site deployment (Slidev/Astro/Vite), reverse proxy, and 502/504 troubleshooting.

Interactive MCP server installer. Lists all available MCPs by category and installs the user's choice into .mcp.json

Install Outlook MCP via win32com. Use when user needs Outlook email automation on Windows.

Best practices AutoHotkey v1. Use when writing AHK v1 scripts to avoid critical errors like auto-execute section issues, includes order, and COM object handling.

Best practices AutoHotkey v2. Use when writing AHK v2 scripts - covers global variable declarations, SetTimer usage, event handlers, and GUI positioning.

Documentation production methodology with DRY principles. Covers 8 document types (GUIDE, INCIDENT, SESSION, AUDIT, RECHERCHE, etc.), naming conventions, and YAML metadata.

PowerShell naming conventions and organization best practices. Covers Verb-Noun functions, variable naming, module structure, and documentation standards.

Create educational and interactive Jupyter notebooks as SPAs that explain concepts, teach topics, create tutorials, illustrate ideas from text, or build blog posts. Use for interactive guides, demonstrations, explanations, documentation, or any content meant for end users and learners displayed via ipynb-viewer block. Keywords include educational notebook, tutorial notebook, interactive guide, blog notebook, SPA notebook, explain topic, illustrate concept, teach interactively.

Level 2 patterns - vulns, lic, sbom, doctor (security, compliance, environment health)

Implement secure JWT authentication with refresh token rotation, secure storage, and automatic renewal. Use when building authentication for SPAs, mobile apps, or APIs that need stateless auth with refresh capabilities.