Markdown schemes become a live schedule. Rechecked 2026-08-18: still free on iOS, Android, macOS, Windows, and Linux. No invented paid seat.

Anthropic's official collaboration tool that enables Claude AI to work directly with your computer files through an intuitive GUI interface.

Run Claude, Codex, Gemini and other AI agents in parallel in a split-screen terminal, with persistent context and low token overhead.

Claude Code skill implementing Manus-style persistent markdown planning — the workflow pattern behind the $2B acquisition.

Intelligently organize files and folders across your computer using AI-powered categorization and smart file management.

Manage Linear issues, projects, and teams with MCP tools, SDK scripts, and GraphQL fallbacks for reliable project tracking.

Explores user intent, requirements and design before implementation through collaborative dialogue.

Load implementation plans, execute tasks in batches with review checkpoints between batches.

Execute plans by dispatching fresh subagent per task with two-stage review - spec compliance then code quality.

Create comprehensive implementation plans with bite-sized tasks assuming zero context, before touching code.

Systematic peer review toolkit for evaluating methodology, statistics, design, reproducibility, and ethics.

Evaluate research rigor systematically - assess methodology, experimental design, statistical validity, biases, confounding, and evidence quality using GRADE and Cochrane ROB.