ReddRadar
Agent skill
extracting-form-fields
Extract form field data from PDFs as a first step to filling PDF forms
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/extracting-form-fields
SKILL.md
Extracting Form Fields
Prepare working directory and extract field data from PDF forms.
Inputs
- PDF path: Path to PDF file (e.g.,
/home/user/input.pdf)
Process Overview
@startuml SKILL
title Extracting Form Fields - High-Level Workflow
start
:Create working directory;
:Copy interview template;
:Extract PDF content as Markdown;
:Check Fillability;
if (PDF has fillable fields?) then (yes)
:Fillable workflow
(see Fillable-Forms.md);
else (no)
:Non-fillable workflow
(see Nonfillable-Forms.md);
endif
:**✓ EXTRACTION COMPLETE**;
:Ready for Form Data Model creation;
stop
@enduml
Process
1. Create Working Directory
mkdir <basename>.chatfield
2. Copy Interview Template
Copy a file from the included filling-pdf-forms skill's template. The example path below is relative to this skill directory.
cp ../filling-pdf-forms/scripts/chatfield_interview_template.py <basename>.chatfield/interview.py
3. Extract PDF Content
markitdown <pdf_path> > <basename>.chatfield/<basename>.form.md
4. Check Fillability
python scripts/check_fillable_fields.py <pdf_path>
Output:
"This PDF has fillable form fields"→ use fillable workflow"This PDF does not have fillable form fields"→ use non-fillable workflow
5. Branch Based on Fillability
If Fillable:
Follow ./references/Fillable-Forms.md
If Non-fillable:
Follow ./references/Nonfillable-Forms.md
Output Format
Fillable PDFs - .form.json
[
{
"field_id": "topmostSubform[0].Page1[0].f1_01[0]",
"type": "text",
"page": 1,
"rect": [100, 200, 300, 220],
"tooltip": "Enter your full legal name",
"max_length": null
},
{
"field_id": "checkbox_over_18",
"type": "checkbox",
"page": 1,
"rect": [150, 250, 165, 265],
"checked_value": "/1",
"unchecked_value": "/Off"
}
]
References
- ./references/Fillable-Forms.md - Fillable PDF extraction workflow
- ./references/Nonfillable-Forms.md - Non-fillable PDF extraction workflow
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