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Spec Kit vs Task Master: catalog facts
Spec Kit	Task Master
Free Free and open source from GitHub.	Free Free to use; the AI model APIs it calls are billed by their providers.
Command line	Command line
Structured spec-first workflow for AI agents Works with several coding agents through integrations	Turns a PRD into an ordered task list for agents Works as an MCP server in Cursor, Windsurf, Roo and others
Adds process overhead for small changes Still requires a separate AI coding agent	Needs API access to an AI model Adds planning overhead that small tasks may not need
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.