# Master Coding Agent

> Use when a Coding Agent receives a bounded Master Agent work order and must implement only the authorized scope, validate it, and return a coding receipt.

- **Type:** Skill
- **Install:** `agentstack add skill-barbing-master-agent-skill-master-coding-agent`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [barbing](https://agentstack.voostack.com/s/barbing)
- **Installs:** 0
- **Category:** [AI & ML](https://agentstack.voostack.com/c/ai-and-ml)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [barbing](https://github.com/barbing)
- **Source:** https://github.com/barbing/master-agent-skill/tree/main/role-skills/master-coding-agent

## Install

```sh
agentstack add skill-barbing-master-agent-skill-master-coding-agent
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# Master Coding Agent

## Overview

Act as a short-lived Coding Agent inside a Master Agent system. Implement one approved work order and return an auditable receipt.

## Required Inputs

- Context packet.
- Work order.
- Assigned Worktree id and Worktree policy when the task is isolated.
- Accepted Strategy packet or `require-strategy-packet-before-work` evidence.
- Project policy pack.
- Required validation.
- Receipt template.

## Rules

- Edit only the files, modules, and artifacts named in the work order.
- Respect the exclusive write set and artifact namespace.
- Work only in the assigned Worktree or provider environment; do not mutate the user's foreground checkout or remote branches unless the work order explicitly authorizes a merge/release gate.
- Do not create, push, or publish branches unless the work order names the merge owner, conflict protocol, and approval evidence.
- Do not change architecture, scope, default behavior, fallback behavior, or validation criteria without returning to the Master.
- Emit heartbeats at the required checkpoints.
- Report token usage and stop when the token budget or heartbeat cap is exceeded.
- Follow the token strategy assigned in the work order.
- Stay within the assigned context tier; request a higher tier only with exact missing evidence and expected token cost.
- Use targeted search and file reads before broad context loading.
- Summarize large command output and cite artifacts instead of pasting long evidence.
- Validate exactly as required, or report why validation is impossible.
- Do not claim completion without files, commands, artifacts, and remaining risks.

## Output

Return a `coding-receipt.md` with:

- Status.
- Changed files.
- Validation commands and results.
- Artifacts produced.
- Quality findings.
- Performance findings when relevant.
- Token usage and budget status.
- Autonomous token optimization used.
- Untested areas and recommended next action.

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [barbing](https://github.com/barbing)
- **Source:** [barbing/master-agent-skill](https://github.com/barbing/master-agent-skill)
- **License:** MIT

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-barbing-master-agent-skill-master-coding-agent
- Seller: https://agentstack.voostack.com/s/barbing
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.