answer-processing

Convert handwritten answer PDFs to markdown and grade against reference solutions.

90|3|Updated Apr 21, 2026
One-click install
npx skills add https://github.com/OPTIMETA/PAIDEIA --skill answer-processing
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: answer-processing
Source: https://github.com/OPTIMETA/PAIDEIA/tree/main/plugins/paideia/skills/answer-processing
Command: npx skills add https://github.com/OPTIMETA/PAIDEIA --skill answer-processing

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill turns handwritten or scanned answer PDFs into graded, searchable markdown and compares student work against the correct reference solution.

Core Features & Use Cases

  • PDF-to-Markdown Conversion: Converts uploaded answer PDFs into cleaned markdown, using OCR when handwriting or scans need interpretation.
  • Strategy-Based Grading: Evaluates reasoning patterns, variable choices, end form, and completeness instead of demanding perfect OCR accuracy.
  • Quiz and Homework Review: Supports grading against converted solution files, quiz answer keys, twin problems, and chain exercises.
  • Error Logging and Reporting: Appends structured grading issues to a canonical log and returns a compact summary for fast review.

Quick Start

Ask the assistant to grade the uploaded answer PDF against the available reference solution and return a compact verdict with any OCR-related notes.

Frequently Asked Questions about answer-processing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I grade scanned handwritten PDF answers against a reference solution?

To grade scanned handwritten PDF answers, this Skill converts the submissions into markdown using OCR, then applies strategy-based comparison against your reference solution to evaluate reasoning patterns and completeness. It returns a compact grading verdict with structured error logs.

Can I grade quiz answers if the OCR quality is noisy or unavailable?

Yes, you can grade quiz answers with noisy or unavailable OCR because the Skill applies strategy-based grading that evaluates reasoning patterns and variable choices instead of demanding perfect text recognition accuracy. It also handles directly pasted student work.

What is the best way to convert scanned homework PDFs into markdown for grading?

The best way to convert scanned homework PDFs into markdown for grading is using the OCR-aware conversion process built into this Skill, which cleans the extracted text and compares it directly against answer keys or twin problems.

Does the grading strategy check for the final end form or just the overall answer?

The grading strategy checks for both the final end form and the overall answer by evaluating reasoning patterns, variable choices, and completeness, ensuring students receive credit for correct methodology even when OCR results are imperfect.

How does error logging work when processing handwritten answer PDFs?

Error logging works by appending structured grading issues to a canonical log during the evaluation of handwritten answer PDFs, allowing you to review OCR-related notes and specific grading discrepancies through a returned compact summary.