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Spec Kit Pricing

open sourceopen source · MITlast verified September 6, 2026official site ↗

At a glance

100% free and open-source under the MIT license. GitHub Spec Kit is a specification-driven development toolkit with no licensing fees, seat costs, or subscription paywalls, running locally via the specify-cli command-line tool.

Self-hosting cost

Spec Kit is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.

Free & cheaper System Prompts & Rules

same category, free plan or open-source license

AGENTS.mdopen sourceFree and 100% open standard under the MIT license. AGENTS.md is stewarded by the Linux Foundation's Agentic AI Foundation (AAIF) with zero licensing fees or vendor lock-in.Agent Skillsopen sourceNo paid product or SaaS tier: the Agent Skills specification and code are free under Apache-2.0 (docs under CC BY 4.0). Compatible clients manage their own pricing.Cursor Rulesopen sourceFree and 100% open source under the MIT license. Cursor Directory (cursor-rules) provides free access to curated .cursorrules prompt files, web search directory, and community contributions with no subscription or paywall.OpenSpecopen sourceFree and 100% open source under the MIT license. OpenSpec is a local, self-contained CLI and file-based specification framework that requires no subscriptions, API keys, or proprietary backend services.
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FAQ

How much does Spec Kit cost?

100% free and open-source under the MIT license. GitHub Spec Kit is a specification-driven development toolkit with no licensing fees, seat costs, or subscription paywalls, running locally via the specify-cli command-line tool.

Does Spec Kit have a free plan?

Yes — Spec Kit is open source and free to use.

Can you self-host Spec Kit for free?

Spec Kit is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.

What are free or cheaper Spec Kit alternatives?

AGENTS.md, Agent Skills, Cursor Rules are in the same category with a free plan or open-source license.

pricing is editorial catalog data (last verified September 6, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.