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mash-multi-agent-software-harness

dmarchevsky v0.1.0

MASH (Multi-Agent Software Harness) is a structured development framework for Claude Code that manages the full software lifecycle — from idea to tested, committed code. It orchestrates four speci...

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From the developer

Works with

Claude Code

Description

From the marketplace listing

MASH (Multi-Agent Software Harness) is a structured development framework for Claude Code that manages the full software lifecycle — from idea to tested, committed code. It orchestrates four specialized AI personas (Init, Plan, Dev, QA) that work in sequence with strict boundaries: planning personas interact with you to capture intent, while implementation personas run as isolated sub-agents that write code and tests autonomously. Features are tracked through a clear lifecycle (CREATED → DEV_READY → WIP → DONE), with automatic retry logic (up to 3 attempts) and failure analysis fed back into subsequent attempts. All specs live in .mash/plan/ as the single source of truth — immutable during development. Key features: - Interactive planning that asks clarifying questions before writing specs - Isolated dev and QA sub-agents with strict read/write boundaries - Git workflow options: per-feature worktrees or current branch - Auto-commit after QA pass, or manual git control - Feature retry with failure context propagation - Self-updating via /mash update

Source repository ↗ Website ↗

What changed

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Files & skills

mash-multi-agent-software-harness · catalog manifest

Saved declaration

{}
mash-multi-agent-software-harness · catalog manifest

Saved declaration

{
  "name": "mash-multi-agent-software-harness",
  "source": {
    "sha": "897e83af65f39d0f00b46bed94403b85531d4ef7",
    "url": "https://github.com/dmarchevsky/mash.git",
    "source": "url"
  },
  "homepage": "https://github.com/dmarchevsky/mash",
  "description": "MASH (Multi-Agent Software Harness)  is a structured development framework for Claude Code that manages the full software lifecycle — from idea to tested, committed code. It orchestrates four specialized AI personas (Init, Plan, Dev, QA) that work in sequence with strict boundaries: planning personas interact with you to capture intent, while implementation personas run as isolated sub-agents that write code and tests autonomously.\n\nFeatures are tracked through a clear lifecycle (CREATED → DEV_READY → WIP → DONE), with automatic retry logic (up to 3 attempts) and failure analysis fed back into subsequent attempts. All specs live in .mash/plan/ as the single source of truth — immutable during development.\n\nKey features:\n- Interactive planning that asks clarifying questions before writing specs\n- Isolated dev and QA sub-agents with strict read/write boundaries\n- Git workflow options: per-feature worktrees or current branch\n- Auto-commit after QA pass, or manual git control\n- Feature retry with failure context propagation\n- Self-updating via /mash update"
}
mash · catalog manifest

Saved declaration

{
  "name": "mash",
  "author": {
    "name": "dmarchevsky"
  },
  "version": "0.1.0",
  "repository": "https://github.com/dmarchevsky/mash",
  "description": "Multi-Agent Software Harness — orchestrates feature planning and dev/QA sub-agents"
}

plugin.json observed Nov 6, 2026 · 10:46 UTC. Manifest source ↗

Catalog declarations and available plugin.json metadata are saved. Referenced skills and executable source files are not downloaded or tested. Missing components in a manifest do not prove that the plugin has none.

Installation instructions

Community

/plugin marketplace add anthropics/claude-plugins-community
/plugin install mash-multi-agent-software-harness@claude-community

Claude Code installation documentation

Technical details
Sources
Community
First seen
Oct 3, 2026 · 22:13 UTC
Last seen
Nov 10, 2026 · 00:00 UTC
Latest observed change
Oct 3, 2026 · 22:13 UTC
Collection status
Listed
Reported installs
Not provided

Installation counts are source-reported, not independently verified active users. Observation dates are not release dates.

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