A structured workflow for Claude Code that divides development into planning, implementation, and verification, with help from separate subagents. Subagents are specialised AI workers handling parts of a task.

Planning changes, delegating research or coding tasks, running implementation steps, and checking whether the final result matches the goal.

It reduces confusion when long coding tasks lose track of decisions, context, or unfinished work.

pbr — Plugin for Claude Code by SienkLogic/plan-build-run

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo

git clone --depth 1 https://github.com/SienkLogic/plan-build-run

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/plugins/sienklogic/plan-build-run/pbr/github.svg)](https://agentmods.dev/plugins/sienklogic/plan-build-run/pbr)

Your own site

<a href="https://agentmods.dev/plugins/sienklogic/plan-build-run/pbr"><img src="https://agentmods.dev/badge/plugins/sienklogic/plan-build-run/pbr/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/plugins/sienklogic/plan-build-run/pbr"><img src="https://agentmods.dev/badge/plugins/sienklogic/plan-build-run/pbr.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session not measured What this adds to a session before it is invoked.

When invoked not measured The manifest loads nothing itself; its 44 skills, 71 commands, 18 agents, 3 hooks cost 2,267 tokens a session between them.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Security

Grade A, and why

pbr scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/pbr/.claude-plugin/plugin.json · 39 lines

What it actually says

{
  "name": "pbr",
  "version": "2.22.0",
  "description": "Plan-Build-Run — Structured development workflow for Claude Code. Solves context rot through disciplined subagent delegation, structured planning, atomic execution, and goal-backward verification.",
  "author": {
    "name": "SienkLogic",
    "email": "[email protected]"
  },
  "homepage": "https://github.com/SienkLogic/plan-build-run",
  "repository": "https://github.com/SienkLogic/plan-build-run",
  "license": "MIT",
  "keywords": [
    "claude-code",
    "context-engineering",
    "development-workflow",
    "subagent-delegation"
  ],
  "userConfig": {
    "default_mode": {
      "title": "Default Mode",
      "description": "Default workflow mode: autonomous (hands-free) or interactive (pause at gates)",
      "type": "string",
      "sensitive": false
    },
    "context_window": {
      "title": "Context Window",
      "description": "Your model's context window size in tokens (e.g., 200000 or 1000000)",
      "type": "string",
      "sensitive": false
    },
    "default_depth": {
      "title": "Default Depth",
      "description": "Default research/planning depth: quick, standard, or comprehensive",
      "type": "string",
      "sensitive": false
    }
  }
}

Contents

What it installs

The manifest is a name and a version. 44 skills, 71 commands, 18 agents, 3 hooks travel with it, and installing the plugin installs all of them — 2,267 tokens a session between them. Each is measured on its own page, and each can be installed alone.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

1mo ago First seen · 39 lines scan A 76e30c6f4c70

Subscribe to this mod's changes

pbr is a plugin published in the GitHub repository SienkLogic/plan-build-run (19 stars, last pushed 6mo ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Building agents Planning agent-orchestration agentic-coding ai-coding ai-development anthropic claude

pbr

Getting it into your agent

Wrote this? Show the measurements

Grade A, and why

Nothing flagged

What it actually says

What it installs

What this file has done since we first saw it

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