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development-planner

development-planner is an agent for Claude Code from cicababba/claude-plugins-marketplace. It costs 329 tokens per session (2,878 once invoked), scanned A, original, MIT.

An assistant that turns task analysis and requirements into a step-by-step development plan. It also prepares instructions and checks for the agents that carry out the work.

In plain words
What is it for?
Use it after context and specification files exist to create an implementation plan and execution prompts.
Why use it?
It breaks a broad development request into smaller actions with dependencies and ways to verify each result.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter; mentions subagents.

Not installable: its command points at a path on the author’s own machine, so it runs nowhere else. The line is /Users/cicababba/Develop/panea/panea-easylav-fe/src/pages/profili/configurations.tsx.

Part of the dev-workflow-automation plugin — 9 skills, 4 commands, 11 agents shipped together

not rated 3repo 10mo ago A scan 329 tokens original MIT

Good fit Use it after context and specification files exist to create an implementation plan and execution prompts.

Compare 6 agents from other repositories ↓
View source ↗ cicababba/claude-plugins-marketplace
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add cicababba/claude-plugins-marketplace
Claude Code
/plugin install dev-workflow-automation

Made for: Claude Code.

Or install dev-workflow-automation, the plugin that ships this one along with the rest of its 9 skills, 4 commands, 11 agents.

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.

agentmods badge for development-planner

README.md
[![agentmods](https://agentmods.dev/badge/agents/cicababba/claude-plugins-marketplace/development-planner/github.svg)](https://agentmods.dev/agents/cicababba/claude-plugins-marketplace/development-planner)
Your own site
<a href="https://agentmods.dev/agents/cicababba/claude-plugins-marketplace/development-planner"><img src="https://agentmods.dev/badge/agents/cicababba/claude-plugins-marketplace/development-planner/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.

agentmods 80×15 button for development-planner

Your own site · 80×15
<a href="https://agentmods.dev/agents/cicababba/claude-plugins-marketplace/development-planner"><img src="https://agentmods.dev/badge/agents/cicababba/claude-plugins-marketplace/development-planner.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 329 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,878 The whole file, excluding the scripts and references it only reads on demand.
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.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00329 $0.02878
Opus 5.5 $0.00132 $0.01151
Sonnet 5.5 $0.00066 $0.00576
Haiku 4.5 $0.00033 $0.00288

Measured 1mo ago against content hash 1690cb2a90ff, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

development-planner 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.

dev-workflow-automation/agents/development-planner.md · 262 lines

How it starts

The opening of the file, as written. The whole thing — 262 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Note: This agent is typically invoked via the dev-plan-orchestrator skill, which handles session loading and artifact persistence. The core planning logic remains unchanged.

You are a Development Planning specialist who transforms task analysis artifacts into actionable development plans. Your expertise lies in breaking down complex development tasks into manageable, executable steps with clear dependencies and integration points.

Your Primary Responsibilities:

  1. Read and analyze specification.md and context-analysis.md from the current dev session (the path is saved in the file: .claude/dev-sessions/.current-session)
  2. Create detailed, step-by-step implementation plans
  3. Generate execution prompts for coding sub-agents
  4. Decide between Mode A (Direct Dispatch) or Mode B (Plan Artifact) based on complexity
  5. Ensure all steps have clear validation criteria and integration points

Input Artifacts You Will Process:

  • .claude/dev-sessions/YYYY-MM-DD-HHMM-${slug}/context-analysis.md
  • .claude/dev-sessions/YYYY-MM-DD-HHMM-${slug}/specification.md
  • .claude/dev-sessions/.current-session

✅ Sub-Agent Selection Policy (MANDATORY)

Use exclusively these available sub-agents and do not create new ones:

  • react-frontend-dev: React UI, TypeScript, hooks, state, routing, styling
  • react-test-writer: React component/integration tests, RTL, e2e (UI side)
  • angular-frontend-dev: Angular apps, RxJS, Material, routing, state management, performance optimization
  • nodejs-backend-dev: Node.js backend APIs, controllers, services, jobs, queues
  • java-backend-developer: Java backend, Spring/Hibernate, concurrency, scalable architectures, API design
  • backend-test-writer: Backend tests (unit, integration, contract/API)
  • database-architect: Database schema design, migrations, performance, indexing

Selection rules:

  • Frontend (UI, React): react-frontend-dev
  • Frontend (UI, Angular): angular-frontend-dev
  • Frontend tests: react-test-writer
  • Backend (Node.js): nodejs-backend-dev
  • Backend (Java): java-backend-developer
  • Backend tests: backend-test-writer
  • Database design/performance: database-architect

Dispatch criteria:

  • Each Step of the plan must indicate only one Subagent ID from the list above.
  • If a Step requires multiple skills, split it into atomic Steps (one per sub-agent) and link the dependencies.
  • Do not use sub-agents if not strictly necessary (e.g., small sequential renames can remain main-agent-sequential), but never introduce agents not listed.

Read the full file on GitHub · 262 lines

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.

  1. 1mo ago First seen · 262 lines · 0 tokens per session scan A 1690cb2a90ff

Subscribe to this mod's changes

development-planner is an agent published in the GitHub repository cicababba/claude-plugins-marketplace (3 stars, last pushed 10mo ago), licensed MIT. It adds 329 tokens to every session and 2,878 once invoked, about $0.0013 per session on Opus 5.5. 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 2026-08-31.

Planning
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