Ultrapack

btseytlin/ultrapack·1 plugin

Adopt a lean, git-centered spec-driven skill pack when you want SDD discipline without a heavy multi-agent marketplace.

Overview

ultrapack is a plugin marketplace for the Build phase that provides the lean up skill pack for spec-driven, git-centered development in Claude Code.

What is this marketplace?

Single lean plugin (up) in the ultrapack marketplace
Opinionated spec-driven, git-centered development skill pack
Contrasts with bloated agent bundles—minimal surface area
Fits builders who want process skills alongside normal commits and branches
Described as ultrapack for streamlined Claude Code workflows
1 marketplace plugin (up)
Marketplace brand: ultrapack—lean spec-driven git-centered pack

Compatible agents: Claude Code, Cursor, Codex, any compatible agent

Community signal: 45 GitHub stars.

What problem does it solve?

Solo builders lose coherence when AI edits drift from specs and git history becomes the only fragile record of intent.

Who is it for?

Experienced git users who want a small, opinionated SDD skill pack without configuring large agent or MCP bundles.

Skip if: Beginners avoiding git, teams needing built-in security MCP and multi-language agent rosters, or Rails-only specialized marketplaces.

What do I get? / Deliverables

After install, the up skill steers Claude toward spec-driven steps anchored in your repository's branches and commits.

Spec-aligned implementation steps guided by the up skill
Git-centered workflow habits for agent-assisted sessions
Reduced reliance on ad-hoc prompts without a written spec

Plugins in this marketplace

1 plugin — install individually after you add the marketplace.

PluginVersion

Upultrapack — lean, opinionated skill pack for spec-driven, git-centered development—

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Journey fit

Primary fit

BuildProject management & tracking

ultrapack optimizes how you build software with specs and git as source of truth—canonical shelf is build with methodology in project workflow. PM subphase captures opinionated workflow skills (the up plugin) rather than a single library or deployment integration.

How it compares

Lean spec-and-git workflow marketplace (1 plugin), not a full DevSecOps SDLC bundle.

Common Questions / FAQ

Who is Ultrapack for?

Solo builders and small teams on Claude Code who want spec-driven habits tied to git without installing a large multi-plugin SDLC marketplace.

When should I use Ultrapack?

Use it when starting features or refactors where written specs and git-centered iteration should lead every agent session.

How do I add Ultrapack to my agent?

Register the btseytlin/Ultrapack Claude marketplace and enable the up plugin in your Claude Code project before planning or implementing work.