db-wal-recovery

Recover data from corrupted or encrypted SQLite WAL files.

Updated Feb 24, 2026
One-click install
npx skills add https://github.com/Zurybr/lefarma-skills --skill db-wal-recovery-zurybr
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: db-wal-recovery
Source: https://github.com/Zurybr/lefarma-skills/tree/main/letta/benchmarks/trajectory-only/db-wal-recovery
Command: npx skills add https://github.com/Zurybr/lefarma-skills --skill db-wal-recovery-zurybr

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a systematic approach to recover data from corrupted, encrypted, or otherwise inaccessible SQLite Write-Ahead Log (WAL) files, ensuring data integrity and preventing data loss.

Core Features & Use Cases

  • WAL File Analysis: Inspects WAL file headers and structure for corruption or encryption.
  • Data Recovery Strategies: Employs methods for encrypted (e.g., SQLCipher) and corrupted WAL files.
  • Verification: Includes strategies to validate recovered data against expected schemas and integrity checks.
  • Use Case: Recover critical customer records from a corrupted SQLite database by analyzing and reconstructing data from its WAL file.

Quick Start

Use the db-wal-recovery skill to attempt recovery of data from the file 'main.db-wal'.

Frequently Asked Questions about db-wal-recovery

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

FAQPage Schema
How do I recover data from a corrupted SQLite WAL file?

To recover data from a corrupted SQLite WAL file, you need a systematic approach that inspects WAL file headers, analyzes binary structures, and reconstructs lost records while verifying integrity against expected database schemas to prevent data fabrication.

Can I recover records from an encrypted SQLite WAL file?

Recovering records from an encrypted SQLite WAL file requires specialized data recovery strategies for encrypted formats like SQLCipher. The process involves detailed binary file analysis to extract and reconstruct inaccessible data without compromising underlying encryption boundaries.

What is SQLite WAL recovery and when do I need it?

SQLite WAL recovery is the process of reconstructing lost or inaccessible data from Write-Ahead Log files. You need it when database files become corrupted or unreachable, requiring systematic environment discovery and structural analysis to retrieve critical records.

How do I verify data integrity after extracting records from a SQLite WAL file?

To verify data integrity after extracting records from a SQLite WAL file, validate the recovered data against expected database schemas and perform comprehensive integrity checks to ensure no data fabrication occurred during the binary reconstruction process.

Do I need binary file analysis skills to perform SQLite WAL recovery?

Yes, performing SQLite WAL recovery requires understanding the SQLite WAL format and binary file analysis techniques. This advanced process demands environment discovery skills to inspect headers, identify corruption or encryption, and systematically reconstruct inaccessible data.

What are the limitations of recovering data from corrupted SQLite WAL files?

Limitations of recovering data from corrupted SQLite WAL files include potential data loss if headers are irreparably damaged. The recovery process emphasizes avoiding data fabrication, meaning recovery success depends entirely on the remaining structural integrity of the binary WAL data.