ultrathink

Ekstend

A collection of plugins for Claude Code.

Plugins

ultrathink

Sequential thinking CLI for multi-step problem solving. Use when breaking down complex problems into steps, planning implementations, debugging multi-layered issues, or when explicit step-by-step reasoning with confidence tracking and assumption management is beneficial.

Features:

• Sequential thinking with session management
• Confidence scoring (0.0-1.0 scale)
• Assumption tracking with dependencies
• Branching and revision support

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skill-creator

Guide for creating effective skills that extend Claude's capabilities with specialized knowledge, workflows, or tool integrations. Use when you want to create a new skill or update an existing one.

Features:

• Step-by-step skill creation guidance
• Best practices for context management
• Scripts for initializing, validating, and packaging skills
• Reference documentation for workflow and output patterns

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database

Access MySQL, PostgreSQL, and SQLite databases via CLI for querying, schema exploration, and data management. Auto-detects database type from context (connection strings, file extensions, config patterns) or asks when unclear.

Features:

• Multi-database support (MySQL, PostgreSQL, SQLite)
• Auto-detection of database type from context
• Credential management (manual input, .env, docker-compose.yml, connection strings)
• Safety confirmations for destructive operations
• Schema exploration commands
• Production/system database warnings
• Credential protection (passwords never shown in output)

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ideate

Facilitation-first brainstorming skill that helps users unlock their own ideas through structured questioning and expansion techniques. Use when you need to brainstorm, generate ideas, or think through options.

Features:

• EECCA workflow: Extract, Expand, Challenge, Cluster, Action
• AI as facilitator, not generator philosophy
• Session persistence via markdown files
• Technique deep-dives (SCAMPER, Six Thinking Hats)
• Provocative questions library

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code-review

Iterative code review skill with gap detection and user-controlled fixes. Supports both PR review and holistic codebase review. Understands business logic and traces integrations end-to-end.

Features:

• Two review modes: PR diff review and holistic codebase audit
• Business logic awareness (understands domain rules, not just code)
• End-to-end integration tracing (frontend → backend → database → external APIs)
• 9 gap categories: Business Logic, Integration, Logic, Security, Performance, Error Handling, Style, Tests, Docs
• Human-in-loop with AskUserQuestion for gap selection
• Iterative loop: Review → Fix → Re-review until clean

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interview

Deep requirements gathering skill that interviews users through thoughtful, in-depth questions before implementation. Uses CDEEPER workflow to uncover hidden requirements, edge cases, and trade-offs.

Features:

• CDEEPER workflow: Contextualize, Discover, Explore, Edge, Prioritize, Experience, Ready
• Codebase exploration before questioning (avoids obvious questions)
• Skip-to-summary flow with configurable styles (Minimal/Inferred/Critical first)
• Question tracking and deduplication
• Confidence scoring (percentage-based on each requirement)
• Hybrid question ordering (domain-based + adaptive)
• Multi-session persistence with phase tracking

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Installation

From terminal (non-interactive)

claude plugin marketplace add husniadil/ekstend
claude plugin install ultrathink@ekstend
claude plugin install skill-creator@ekstend
claude plugin install database@ekstend
claude plugin install ideate@ekstend
claude plugin install code-review@ekstend
claude plugin install interview@ekstend

From Claude Code session (interactive)

1. Add the marketplace:

/plugin marketplace add husniadil/ekstend

2. Install a plugin:

/plugin install ultrathink@ekstend
/plugin install skill-creator@ekstend
/plugin install database@ekstend
/plugin install ideate@ekstend
/plugin install code-review@ekstend
/plugin install interview@ekstend

Or browse available plugins interactively with /plugin and select "Browse Plugins".

License

MIT

Third-Party Licenses

• skill-creator plugin: Originally created by Anthropic, licensed under Apache License 2.0. See plugins/skill-creator/LICENSE.txt for details.