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modernization

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UpdatedJune 9, 2026 at 14:12

Migrate or modernize legacy systems using Spec-Driven Development (SDD). Use when migrating between platforms, modernizing legacy code to current-generation stacks, or performing cross-platform migrations. Assesses legacy capabilities, maps to target platform, forms specialized agent team, and delivers verified migration with parity testing and confidence scoring.

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pascalvanderheiden

pascalvanderheiden/meta-agentic-template

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Software DevelopersComputer and Mathematical Occupations·SOC 15-1252

SKILL.md

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name	modernization
description	Migrate or modernize legacy systems using Spec-Driven Development (SDD). Use when migrating between platforms, modernizing legacy code to current-generation stacks, or performing cross-platform migrations. Assesses legacy capabilities, maps to target platform, forms specialized agent team, and delivers verified migration with parity testing and confidence scoring.

Modernization & Migration

Run the modernization workflow to migrate platforms or modernize legacy systems using Spec-Driven Development (SDD).

When to Use This Skill

User requests MIGRATING from one platform/technology to another
User wants to MODERNIZE legacy systems to current-generation stacks
User says "migrate to" or "modernize from"
User needs legacy-to-target gap analysis and migration planning

What This Skill Does

This skill delegates to the authoritative modernization workflow at .github/prompts/modernization.prompt.md, which orchestrates:

Intake & Clarification — Capture migration request, choose execution approach (Custom Agents or Squad), select optional SDD framework
Discovery — Inventory legacy system and generate repo-wiki for context
Assessment — Map legacy capabilities to target state, identify gaps and migration risks
Analysis — Decompose migration into phases and validation requirements
Capability Mapping — Identify required skills, MCP servers, instructions
Capability Acquisition — Discover or build missing capabilities
Team Formation — Assign capabilities to agent roles, define handoff DAG
Execution — Execute migration iteratively with parity testing and reviewer gates
Verification — Validate deliverables, ensure parity, calculate confidence score
Handoff — Generate progress report and package migration artifacts

Read and execute .github/prompts/modernization.prompt.md in full — it is the single source of truth for the modernization workflow.

VS Code Users

VS Code users can invoke this workflow directly via the /modernization slash command instead of using this skill. Both surfaces share the same authoritative prompt file.

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Create and maintain an LLM-owned repo wiki for indexing and understanding existing codebases. Use for codebase understanding, repo wiki, LLM wiki, brown-field or modernization Discovery context, source assessment, architecture discovery, token-efficient repository indexing, and replacing ad hoc RAG with maintained markdown knowledge.

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name	modernization
description	Migrate or modernize legacy systems using Spec-Driven Development (SDD). Use when migrating between platforms, modernizing legacy code to current-generation stacks, or performing cross-platform migrations. Assesses legacy capabilities, maps to target platform, forms specialized agent team, and delivers verified migration with parity testing and confidence scoring.

Modernization & Migration

Run the modernization workflow to migrate platforms or modernize legacy systems using Spec-Driven Development (SDD).

When to Use This Skill

User requests MIGRATING from one platform/technology to another
User wants to MODERNIZE legacy systems to current-generation stacks
User says "migrate to" or "modernize from"
User needs legacy-to-target gap analysis and migration planning

What This Skill Does

This skill delegates to the authoritative modernization workflow at .github/prompts/modernization.prompt.md, which orchestrates:

Intake & Clarification — Capture migration request, choose execution approach (Custom Agents or Squad), select optional SDD framework
Discovery — Inventory legacy system and generate repo-wiki for context
Assessment — Map legacy capabilities to target state, identify gaps and migration risks
Analysis — Decompose migration into phases and validation requirements
Capability Mapping — Identify required skills, MCP servers, instructions
Capability Acquisition — Discover or build missing capabilities
Team Formation — Assign capabilities to agent roles, define handoff DAG
Execution — Execute migration iteratively with parity testing and reviewer gates
Verification — Validate deliverables, ensure parity, calculate confidence score
Handoff — Generate progress report and package migration artifacts

Read and execute .github/prompts/modernization.prompt.md in full — it is the single source of truth for the modernization workflow.

VS Code Users

VS Code users can invoke this workflow directly via the /modernization slash command instead of using this skill. Both surfaces share the same authoritative prompt file.