An intelligent graph schema evolution tool that automatically detects differences between knowledge graph versions and generates executable migration plans and scripts.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install schema-migration-diff
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install schema-migration-diff using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Graph Schema Migration Diff?
The Graph Schema Migration Diff skill is a comprehensive tool designed for developers managing knowledge graph evolution. By systematically comparing two schema versions—whether they are defined via RDF, OWL, or property graph definitions like Neo4j Cypher—this skill simplifies the complex task of schema management. It accurately identifies precise changes across entities, properties, relationships, and constraints to ensure data consistency during architectural shifts.
Integrating this tool as part of your Openclaw Skills workflow helps eliminate the guesswork and human error inherent in manual graph refactoring. It provides developer-focused automation that evaluates structural deviations and generates ready-to-run migration code. This enables teams to confidently modernize their graph models without disrupting active development environments.
Graph Schema Migration Diff Use Cases
- Upgrading graph database schemas between production releases.
- Analyzing structural schema changes and renaming patterns between distinct development branches.
- Planning and executing complex knowledge graph schema evolution.
- Generating automated, native migration scripts such as Cypher, SPARQL, or Python.
- Migrating existing graph data into a new structural layout while preserving core data integrity.
- Refactoring enterprise property graph models or semantic web taxonomies.
How Graph Schema Migration Diff Works
- Parse Schemas: The system loads and reads both the target baseline and the proposed schema versions.
- Extract Structure: It systematically constructs internal schema graph models from the input specifications.
- Compare: The execution core automatically detects structural, property, and node differences.
- Categorize Changes: Modifications are classified systematically by change type, such as additions, deletions, renames, and type transformations.
- Assess Risk: It evaluates potential database migration impacts and assigns an appropriate risk level.
- Generate Plan: The skill produces a human-readable text report containing step-by-step migration strategies.
- Generate Scripts: It outputs fully functional executable migration scripts optimized for the underlying graph architecture.
Graph Schema Migration Diff Setup
To integrate this skill into your ecosystem, ensure you have the required open-source dependencies installed. Run the following command in your terminal:
pip install networkx rdflib deepdiff dictdiffer owlready2 pyshacl neo4j py2neo
Once the libraries are in place, invoke the tool within your Openclaw Skills workspace by passing your source schema version file, target schema version file, and the preferred migration scope parameters.
Graph Schema Migration Diff Data Schema & Taxonomy
The skill analyzes properties and structure systematically, outputting structured data representations according to the following taxonomy:
| Classification | Target Target Elements | Description |
|---|---|---|
| Entity Changes | Node Labels / OWL Classes | Detects additions, deletions, and structural renames of graph entities. |
| Property Changes | Attributes & Key-Values | Tracks property additions, removals, attribute renames, and strict data type modifications. |
| Relationship Changes | Edge Labels & Edges | Tracks new relationship types, deleted edges, direction alterations, and cardinality changes. |
| Constraint Changes | Unique & Required Rules | Evaluates new, removed, or modified strict constraints across your graph database. |
Graph Schema Migration Diff Advanced Features
- Multi-format schema comparison supporting native Neo4j property graph layouts alongside standard RDF and OWL semantic definitions.
- Integrated Risk Assessment module that calculates migration complexity metrics and estimated execution timeframes.
- Contextual translation engine that handles property renames cleanly without dropping legacy records.
- Comprehensive, isolated multi-agent automation compatibility, enabling hands-free schema validation testing on staging environments inside standard pipelines.
SKILL.md
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