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.
npx agentmods add skills/dleerdefi/claude-code-construction/project-setupnpx skills add dleerdefi/claude-code-construction --skill project-setupgit clone --depth 1 https://github.com/dleerdefi/claude-code-constructionWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00055 | $0.01376 |
| Opus 5 | $0.00028 | $0.00688 |
| Sonnet 5 | $0.00011 | $0.00275 |
| Haiku 4.5 | $0.00006 | $0.00138 |
Grade A, and why
project-setup 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 2d 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.
How it starts
The opening of the file, as written. The whole thing — 133 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Project Setup
Set up a construction project directory for use with Claude Code construction skills. This skill inventories all files, classifies construction document types, and appends construction-specific context to the project's CLAUDE.md.
Run this after /init has created the base CLAUDE.md.
Pipeline Position
/init (built-in) → THIS SKILL → /spec-splitter, /sheet-splitter → /submittal-log-generator
Runs once per project. Identifies which Builder skills should run next.
Workflow
Project Setup Progress:
- [ ] Step 1: Detect operational mode
- [ ] Step 2: Inventory and classify files
- [ ] Step 3: Present summary and recommend next actions
- [ ] Step 4: Amend project CLAUDE.md
Step 1: Detect Operational Mode
Check for .construction/ directory at the project root.
If present (AgentCM mode):
- Read
.construction/CLAUDE.mdfor project navigation context - Query database for entity counts (read
query_commandfrom.construction/database.yaml):{query_command} -c "SELECT (SELECT COUNT(*) FROM sheets WHERE project_id = '{id}') AS sheets, (SELECT COUNT(*) FROM rooms WHERE project_id = '{id}') AS rooms, (SELECT COUNT(*) FROM graph_elements ge JOIN sheets s ON s.id = ge.sheet_id WHERE s.project_id = '{id}') AS elements"Fallback: read.construction/graph/graph_summary.yamlif database unavailable - Read
.construction/index/sheet_index.yamlfor drawing inventory - Skip to Step 3 with instant summary — no file scanning needed
If absent (Flat File mode): Continue to Step 2.
Step 2: Inventory and Classify Files
Scan the project directory. No vision calls — use filename and folder pattern matching only.
Classification rules:
| Document Type | Detection Pattern |
|---|---|
| Drawing sets | PDFs in drawings/, plans/, or root with discipline prefixes (A-, S-, M-, E-, P-, C-, L-). PDFs > 2MB with keywords: "plan", "drawing", "bid set", "dwg". |
| Specifications | Folders named Specifications/, specs/, 02 - Specifications/. PDFs with "project manual", "spec", "volume". CSI section number patterns in filenames. |
| Schedules | Excel/CSV files with "schedule", "CPM", "lookahead", "milestone" in name. |
| Submittal log | Excel files with "submittal" in name, typically in Submittals/ or 06 - Submittals/. |
| RFI log | Excel files with "RFI" in name, typically in RFIs/ or logs folder. |
| Change orders | Excel/PDF files with "change order", "CO", "PCO" in name. |
| Other | Correspondence, photos, reports, geotechnical, environmental. |
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 2d ago First seen · 133 lines · 55 tokens per session scan A 3b30c0853540
project-setup is a skill published in the GitHub repository dleerdefi/claude-code-construction (34 stars, last pushed 4mo ago), licensed MIT. It adds 55 tokens to every session and 1,376 once invoked, about $0.0003 per session on Opus 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 2026-08-30.
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