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Agent skill

Cad Dxf Agent

by jeremylongshore in jeremylongshore/tons-of-skills-marketplace

Analyzes DXF drawings deterministically — ADA/IBC code compliance, drawing health and QA, quantity takeoff, plain-English summaries, RFI generation, and room/zone detection — with no LLM or API key.

Apache-2.0Auto-check passedWriting & Content

Install Cad Dxf Agent

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill cad-dxf-agent -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace cad-dxf-agent --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.curated/cad-dxf-agent .claude/skills/cad-dxf-agent && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
cad-dxf-agent
GitHub stars
2.8k
Token cost
~1.2k tokens
SKILL.md length
453 words
Files
2 (incl. references)
Skills in repo
3,342
Repo updated
First seen
Licence
Apache-2.0

At a glance

Analyzes DXF drawings deterministically — ADA/IBC code compliance, drawing health and QA, quantity takeoff, plain-English summaries, RFI generation, and room/zone detection — with no LLM or API key.

  • Works in 4 steps: Locate the DXF. If the user named a… → Pick the capability from the trigger… → Run the CLI with --json, e.g.… → …
  • A user has a .dxf file and wants to check code compliance
  • SKILL.md covers Overview, Prerequisites, Instructions and Output, plus 4 more sections
  • Calls pip; reaches github.com

What it does

Cad Dxf Agent is an agent skill from jeremylongshore/tons-of-skills-marketplace. Analyzes DXF drawings deterministically — ADA/IBC code compliance, drawing health and QA, quantity takeoff, plain-English summaries, RFI generation, and room/zone detection — with no LLM or API key. Use when a user has a .dxf file and wants to check code compliance, audit drawing quality, pull quantities, summarize a drawing, generate RFIs, or detect rooms and areas. Trigger with "analyze this DXF", "check compliance", "drawing health", "quantity takeoff", "summarize this drawing", "generate RFIs", "detect…

Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/capabilities.md`). Compatibility notes: Designed for Claude Code

It sits in Writing & Content, covering Plain language and style rules. The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is Apache-2.0.

When your agent uses it

  • A user has a .dxf file and wants to check code compliance
  • Audit drawing quality
  • Pull quantities
  • Summarize a drawing

Example prompts

  • “analyze this DXF”
  • “check compliance”
  • “drawing health”
  • “/cad-dxf-agent”

Requirements

  • Python 3
  • Compatibility (from SKILL.md): Designed for Claude Code
  • Pre-approved tools (allowed-tools): Read, Glob, Bash(cad-analyze:*), Bash(cad-revision:*), Bash(pip:*), Bash(python:*), Bash(python3:*), AskUserQuestion

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Locate the DXF. If the user named a file, use it; otherwise Glob for **/*.dxf and, if several match, ask which one with AskUserQuestion.
  2. Pick the capability from the trigger words. If unclear, ask.
  3. Run the CLI with --json, e.g. cad-analyze health DRAWING.dxf --json.
  4. Parse the JSON and report in prose. For compliance, pass --profile when the user names a code; default ada.

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Glob
    • Bash(cad-analyze:*)
    • Bash(cad-revision:*)
    • Bash(pip:*)
    • Bash(python:*)
    • Bash(python3:*)
    • AskUserQuestion

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • pip

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • github.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Designed for Claude Code

    From compatibility in the SKILL.md frontmatter.

Context cost

Cad Dxf Agent loads about 1.2k tokens when it runs, and up to ~1.5k if it reads all its reference files. Until then it costs about 139 tokens; SKILL.md has 453 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~139
When it runs · the whole SKILL.md, loaded when a task matches
~1.2k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.5k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its Apache-2.0 licence (© jeremylongshore). 453 words, ~1,155 tokens.

Download SKILL.mdSave it as .claude/skills/cad-dxf-agent/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
cad-dxf-agent
description
Analyzes DXF drawings deterministically — ADA/IBC code compliance, drawing health and QA, quantity takeoff, plain-English summaries, RFI generation, and room/zone detection — with no LLM or API key. Use when a user has a .dxf file and wants to check code compliance, audit drawing quality, pull quantities, summarize a drawing, generate RFIs, or detect rooms and areas. Trigger with "analyze this DXF", "check compliance", "drawing health", "quantity takeoff", "summarize this drawing", "generate RFIs", "detect zones", or "/cad-dxf-agent".
allowed-tools
Read, Glob, Bash(cad-analyze:*), Bash(cad-revision:*), Bash(pip:*), Bash(python:*), Bash(python3:*), AskUserQuestion
compatibility
Designed for Claude Code
argument-hint
a path to a .dxf file (and optionally which check — compliance, health, takeoff, summary, rfi, zones)
version
0.1.0
author
Jeremy Longshore <jeremy@intentsolutions.io>
license
Apache-2.0
tags
dxf, cad, compliance, takeoff, drawing-analysis

cad-dxf-agent — DXF Drawing Analysis

Overview

CAD reviewers manually scan drawings for code compliance, QA defects, quantities, and ambiguities — slow and error-prone. This skill automates that for DXF files by driving the deterministic cad-analyze CLI (no LLM, no API key, no network) and reporting the findings in prose.

CapabilityWhat it answersCommand
complianceDoes it meet ADA / IBC / a custom code?cad-analyze compliance FILE [--profile ada|ibc-2021|residential]
healthIs the drawing clean? (overlaps, text, orphan layers)cad-analyze health FILE
takeoffHow much of everything?cad-analyze takeoff FILE
summaryWhat is this drawing, in plain English?cad-analyze summary FILE
rfiWhat's ambiguous / needs clarification?cad-analyze rfi FILE
zonesWhat rooms/areas are enclosed, and how big?cad-analyze zones FILE
compareWhat changed between two revisions?cad-revision diff MASTER REVISION

Prerequisites

The CLI ships with the cad-dxf-agent Python package. Check, install only if missing:

bash
command -v cad-analyze >/dev/null 2>&1 || \
  pip install "git+https://github.com/jeremylongshore/cad-ai-agent.git"

Instructions

  1. Locate the DXF. If the user named a file, use it; otherwise Glob for **/*.dxf and, if several match, ask which one with AskUserQuestion.
  2. Pick the capability from the trigger words. If unclear, ask.
  3. Run the CLI with --json, e.g. cad-analyze health DRAWING.dxf --json.
  4. Parse the JSON and report in prose. For compliance, pass --profile when the user names a code; default ada.

See references/capabilities.md for each report's JSON shape.

Output

Report in prose, not raw JSON. Lead with the headline, then cite the drawing's own evidence—entity handles and layers—so a reviewer can act.

  • compliance: profile pass/fail, violation count, then each finding.
  • health: score (0–100), then issues grouped by severity.
  • takeoff: quantities by category, name, quantity, and unit.
  • summary: narrative and room list.
  • rfi: numbered questions ready to send to a reviewer.
  • zones: detected rooms or areas and computed area.
Show full SKILL.md (168 more words)Show less

Error Handling

  • Exit 0 means the command completed. Compliance may exit 1 when violations are present; parse its JSON and report the findings rather than treating it as a command failure.
  • Exit 2 means the file is missing or unreadable. Confirm the path and that it is a valid DXF before retrying.
  • If cad-analyze is unavailable, install the prerequisite once and rerun the requested command.
  • An empty findings or issues list is a pass; never invent findings.

Examples

Check a floor plan for ADA compliance

bash
cad-analyze compliance ./plans/level-1.dxf --profile ada --json

Report the violation count and every finding's rule and evidence handles.

Audit drawing quality

bash
cad-analyze health drawing.dxf --json

Report the score, then group issues by severity.

Safety

  • Read-only. Analysis never modifies the DXF. cad-revision apply/bundle writes a new file; the original is never touched.
  • Offline. The analysis capabilities make no network calls and use no secrets.

Natural-language editing and agent-mode tool use require a bring-your-own LLM provider and are not exposed here.

Resources

© jeremylongshore, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in skills/.curated/cad-dxf-agent of jeremylongshore/tons-of-skills-marketplace.

  • SKILL.md
  • references/capabilities.md

Open the folder on GitHubat commit cfae287

Compare with similar skills

Cad Dxf Agent next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Cad Dxf Agent compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Cad Dxf Agent this skilljeremylongshore/tons-of-skills-marketplace2.8k—~1.2kAutomated safety check: PassApache-2.0
Asd Ste100danyuchn/asd-ste100-skill4.3k—~4.1kAutomated safety check: PassMIT
Technical Writing Standardcursor/plugins11k10 repos~2.3kAutomated safety check: PassNone
Ponytail AuditDietrichGebert/ponytail160k—~1.4kAutomated safety check: PassMIT
Natural Japanese Business Writingcoji/natural-japanese1.9k—~2.1kAutomated safety check: PassMIT
PgjevrealZachi/pg-jev1.1k—~2.9kAutomated safety check: PassCustom licence

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Categories

Questions about Cad Dxf Agent

What does Cad Dxf Agent do?

Analyzes DXF drawings deterministically — ADA/IBC code compliance, drawing health and QA, quantity takeoff, plain-English summaries, RFI generation, and room/zone detection — with no LLM or API key. Cad Dxf Agent is an agent skill from jeremylongshore/tons-of-skills-marketplace. Analyzes DXF drawings deterministically — ADA/IBC code compliance, drawing health and QA, quantity takeoff, plain-English summaries, RFI generation, and room/zone detection — with no LLM or API key.

When should I use Cad Dxf Agent?

Cad Dxf Agent fits situations like: A user has a .dxf file and wants to check code compliance; audit drawing quality; pull quantities; summarize a drawing.

How do I install Cad Dxf Agent in Claude Code?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill cad-dxf-agent -a claude-code`. Or copy the skill folder (skills/.curated/cad-dxf-agent in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/cad-dxf-agent in your project. Claude Code loads it when a task matches its description.

How do I install Cad Dxf Agent in Codex?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill cad-dxf-agent -a codex`. Or copy the skill folder (skills/.curated/cad-dxf-agent in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/cad-dxf-agent in your project. Codex loads it when a task matches its description.

Can I use Cad Dxf Agent in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill cad-dxf-agent -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/cad-dxf-agent, .gemini/skills/cad-dxf-agent, .github/skills/cad-dxf-agent and .opencode/skills/cad-dxf-agent in your project.

What does Cad Dxf Agent need to run?

Going by SKILL.md and its folder, Cad Dxf Agent needs the command-line tools its instructions call (pip). Our summary lists: Python 3. Its frontmatter pre-approves these tools: Read, Glob, Bash(cad-analyze:*), Bash(cad-revision:*), Bash(pip:*), Bash(python:*), Bash(python3:*), AskUserQuestion. Compatibility (from SKILL.md): Designed for Claude Code.

Does Cad Dxf Agent access the network?

SKILL.md names 1 domain. In commands or code: github.com; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.

Is Cad Dxf Agent safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Cad Dxf Agent use?

Cad Dxf Agent is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Cad Dxf Agent use?

About 1.2k tokens (SKILL.md is roughly 4.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 391 tokens, read only when the agent opens those files.

What are the alternatives to Cad Dxf Agent?

Skills that share tags, products or a category with Cad Dxf Agent: Asd Ste100 (danyuchn/asd-ste100-skill, 4.3k stars), Technical Writing Standard (cursor/plugins, 11k stars), Ponytail Audit (DietrichGebert/ponytail, 160k stars) and Natural Japanese Business Writing (coji/natural-japanese, 1.9k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Cad Dxf Agent?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.

Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.