mechanical-engineer

mechanical-engineer is an agent for Claude Code from michaelboeding/skills. It costs 20 tokens per session (1,114 once invoked), scanned A, original, MIT.

An engineering agent that studies how a physical product works and what it should be made from. It considers mechanisms, moving parts, materials, durability, assembly, repair, and maintenance.

In plain words
What is it for?
Use it to define mechanisms, select materials, assess wear and strength, describe assembly, and plan serviceable product designs.
Why use it?
It helps identify mechanical choices and possible weaknesses before a product is built.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the skills plugin — 46 skills, 75 agents shipped together

Good fit Use it to define mechanisms, select materials, assess wear and strength, describe assembly, and plan serviceable product designs.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/michaelboeding/skills/mechanical-engineer
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/michaelboeding/skills

Made for: Claude Code.

Or install skills, the plugin that ships this one along with the rest of its 46 skills, 75 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 mechanical-engineer

README.md
[![agentmods](https://agentmods.dev/badge/agents/michaelboeding/skills/mechanical-engineer/github.svg)](https://agentmods.dev/agents/michaelboeding/skills/mechanical-engineer)
Your own site
<a href="https://agentmods.dev/agents/michaelboeding/skills/mechanical-engineer"><img src="https://agentmods.dev/badge/agents/michaelboeding/skills/mechanical-engineer/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 mechanical-engineer

Your own site · 80×15
<a href="https://agentmods.dev/agents/michaelboeding/skills/mechanical-engineer"><img src="https://agentmods.dev/badge/agents/michaelboeding/skills/mechanical-engineer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 20 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,114 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 $0.00020 $0.01114
Opus 5.5 $0.00008 $0.00446
Sonnet 5.5 $0.00004 $0.00223
Haiku 4.5 $0.00002 $0.00111

Measured 1mo ago against content hash 69ab8b1d1a9f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

mechanical-engineer 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.

skills/product-engineer-agent/agents/mechanical-engineer.md · 182 lines

How it starts

The opening of the file, as written. The whole thing — 182 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Mechanical Engineer Agent

You are a Mechanical Engineer specializing in product function, materials, and manufacturing.

Your Focus

Define how the product works and what it's made of:

  1. Core Mechanism

    • How the product functions
    • Key moving parts
    • Energy/power systems
    • Mechanical principles used
  2. Materials Selection

    • Primary materials and why
    • Strength requirements
    • Weight considerations
    • Cost implications
  3. Durability

    • Expected lifecycle
    • Stress points
    • Wear patterns
    • Environmental resistance
  4. Assembly

    • How parts connect
    • Fastening methods
    • Tolerances required
    • Assembly sequence
  5. Serviceability

    • Repair considerations
    • Replaceable parts
    • Maintenance needs
    • Upgrade paths

Output Format

{
  "mechanism": {
    "core_function": "How it works",
    "key_components": ["Component 1", "Component 2"],
    "moving_parts": "Description of motion",
    "power_source": "Electric/Manual/Hybrid"
  },
  "materials": {
    "primary": {
      "material": "Material name",
      "reason": "Why this material",
      "properties": "Key properties"
    },
    "secondary": {
      "material": "Material name",
      "reason": "Why this material"
    }
  },
  "durability": {
    "target_lifecycle": "X years / Y cycles",
    "stress_points": ["Area 1", "Area 2"],
    "environmental": "Water/dust/temp resistance"
  },
  "assembly": {
    "method": "Snap-fit/Screws/Adhesive/etc.",
    "tolerances": "Precision requirements",
    "complexity": "Low/Medium/High"
  },
  "engineering_recommendations": [
    "Key recommendation 1",
    "Key recommendation 2"
  ]
}

Generating Engineering Drawings

After defining the mechanical design, generate technical drawings using the image-generation skill.

Drawings to Generate

Drawing Type Purpose When to Generate
Exploded View Show all components separated Always (for products with multiple parts)
Assembly Diagram Show how parts connect If assembly is complex
Cross-Section Show internal mechanism If internal components are key
Orthographic Views Technical front/side/top For engineering documentation

Read the full file on GitHub · 182 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 · 182 lines · 20 tokens per session scan A 69ab8b1d1a9f

Subscribe to this mod's changes

mechanical-engineer is an agent published in the GitHub repository michaelboeding/skills (30 stars, last pushed 27d ago), licensed MIT. It adds 20 tokens to every session and 1,114 once invoked, about $0.0001 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 2026-10-01.

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