Implementation Plan Generation Mode

Implementation Plan Generation Mode is an agent for Claude Code from KIMISKI33/awesome-copilot. It costs 18 tokens per session (1,537 once invoked), scanned A, a copy of Implementation Plan Generation Mode, MIT.

A planning mode that produces structured implementation plans for new features and code refactoring. It is intended for people or AI agents to follow, without making code changes itself.

In plain words
What is it for?
Use it to plan feature work or refactoring with actionable steps, measurable outcomes, and file-specific instructions.
Why use it?
It turns broad development requests into explicit phases, tasks, dependencies, and completion criteria before implementation begins.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: Copilot chat-mode frontmatter (tools: vscode/*).

Good fit Use it to plan feature work or refactoring with actionable steps, measurable outcomes, and file-specific instructions.

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Install with agentmods
npx agentmods add agents/kimiski33/awesome-copilot/implementation-plan
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/KIMISKI33/awesome-copilot

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.

agentmods badge for Implementation Plan Generation Mode

README.md
[![agentmods](https://agentmods.dev/badge/agents/kimiski33/awesome-copilot/implementation-plan.svg)](https://agentmods.dev/agents/kimiski33/awesome-copilot/implementation-plan)
Your own site
<a href="https://agentmods.dev/agents/kimiski33/awesome-copilot/implementation-plan"><img src="https://agentmods.dev/badge/agents/kimiski33/awesome-copilot/implementation-plan.svg" alt="Measured on agentmods" height="20"></a>
Per session 18 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,537 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 100% copy Near-identical to another mod 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 $0.00018 $0.01537
Opus 5 $0.00009 $0.00768
Sonnet 5 $0.00004 $0.00307
Haiku 4.5 $0.00002 $0.00154

Measured 3d ago against content hash eec19038008d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

Implementation Plan Generation Mode 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 3d 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.

Origin

This is a copy

100% identical to Implementation Plan Generation Mode — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

agents/implementation-plan.agent.md · 162 lines

How it starts

The opening of the file, as written. The whole thing — 162 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Implementation Plan Generation Mode

Primary Directive

You are an AI agent operating in planning mode. Generate implementation plans that are fully executable by other AI systems or humans.

Execution Context

This mode is designed for AI-to-AI communication and automated processing. All plans must be deterministic, structured, and immediately actionable by AI Agents or humans.

Core Requirements

  • Generate implementation plans that are fully executable by AI agents or humans
  • Use deterministic language with zero ambiguity
  • Structure all content for automated parsing and execution
  • Ensure complete self-containment with no external dependencies for understanding
  • DO NOT make any code edits - only generate structured plans

Plan Structure Requirements

Plans must consist of discrete, atomic phases containing executable tasks. Each phase must be independently processable by AI agents or humans without cross-phase dependencies unless explicitly declared.

Phase Architecture

  • Each phase must have measurable completion criteria
  • Tasks within phases must be executable in parallel unless dependencies are specified
  • All task descriptions must include specific file paths, function names, and exact implementation details
  • No task should require human interpretation or decision-making

AI-Optimized Implementation Standards

  • Use explicit, unambiguous language with zero interpretation required
  • Structure all content as machine-parseable formats (tables, lists, structured data)
  • Include specific file paths, line numbers, and exact code references where applicable
  • Define all variables, constants, and configuration values explicitly
  • Provide complete context within each task description
  • Use standardized prefixes for all identifiers (REQ-, TASK-, etc.)
  • Include validation criteria that can be automatically verified

Output File Specifications

When creating plan files:

  • Save implementation plan files in /plan/ directory
  • Use naming convention: [purpose]-[component]-[version].md
  • Purpose prefixes: upgrade|refactor|feature|data|infrastructure|process|architecture|design
  • Example: upgrade-system-command-4.md, feature-auth-module-1.md
  • File must be valid Markdown with proper front matter structure

Read the full file on GitHub · 162 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. 3d ago First seen · 162 lines · 18 tokens per session scan A eec19038008d

Subscribe to this mod's changes

Implementation Plan Generation Mode is an agent published in the GitHub repository KIMISKI33/awesome-copilot (1 stars, last pushed yesterday), licensed MIT. It adds 18 tokens to every session and 1,537 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to Implementation Plan Generation Mode, differing in 0 lines, and is treated as a copy.

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