# C20 - AutoConst takeoff and drawing analyzer

Research checked: 2026-09-18. Category: native-skill-excluded-from-resale.

[AutoConst takeoff and drawing analyzer](https://github.com/hamzaabduljabbar/claude-construction-takeoff-skill)

## Use and fit

Research comparison only. Default secondary-quantity ratios; preprocessing dependency; no verified takeoff reliability.

## Cost and access

Internal-use license; external service/platform requirements separate.

## Popularity and evidence

Observed 2026-09-18: takeoff 11 stars; analyzer 41 stars.

## Reuse and package decision

Actual AutoConst Source Available LICENSE prohibits resale/paid-service distribution; contradicts MIT README labels.

Tools were not installed or operationally tested. Prices/counts may change. This is a research summary, not the product, connection, license grant or proof of field competence.

## Supporting sources

- [Takeoff repository](https://github.com/hamzaabduljabbar/claude-construction-takeoff-skill)
- [Controlling takeoff license](https://github.com/hamzaabduljabbar/claude-construction-takeoff-skill/blob/main/LICENSE)
- [Analyzer repository](https://github.com/hamzaabduljabbar/construction-drawing-analyzer)
- [Analyzer license](https://raw.githubusercontent.com/hamzaabduljabbar/construction-drawing-analyzer/main/LICENSE)
- [Reviewed skill](https://raw.githubusercontent.com/hamzaabduljabbar/claude-construction-takeoff-skill/main/SKILL.md)

[Source index](../../SOURCE_INDEX.md).