ABAP Skills

A collection of Claude Code skills for SAP ABAP development — covering RAP, CDS, OData, ABAP Cloud, testing, authorization, eventing, migration, and more.

Table of Contents

• Installation
• Skills
  • SAP Fiori Apps Reference Library
  • Released ABAP Classes
  • ATC Cloudification Repository
  • ABAP
  • Clean ABAP
  • RAP (RESTful ABAP Programming Model)
  • CDS View Entities
  • ABAP Unit Testing
  • ABAP Cloud / Clean Core
  • abapGit Workflows
  • OData Service Development
  • ABAP SQL & AMDP
  • BAdI & Enhancement Framework
  • SAP BTP ABAP Environment
  • Authorization & IAM
  • RAP Business Events & Enterprise Eventing
  • ABAP Cloud Migration Patterns
  • BTP Diagram Generator
• Repository Structure
• Prerequisites
• License

Installation

Note: Installation differs by platform.

Claude Code

Clone the repository and copy the skills to your Claude Code skills directory:

git clone https://github.com/likweitan/abap-skills.git
cp -r abap-skills/skills/* ~/.claude/skills/

Or install a single skill:

# Example: Install only the abap skill
cp -r abap-skills/skills/abap ~/.claude/skills/

After installation, restart Claude Code to load the new skills.

OpenCode

Tell OpenCode:

Fetch and follow instructions from https://raw.githubusercontent.com/likweitan/abap-skills/refs/heads/main/.opencode/INSTALL.md

Detailed docs: docs/README.opencode.md

Skills

SAP Fiori Apps Reference Library

Generate SAP Fiori Launchpad (FLP) URLs by looking up app information and constructing the correct parameters.

Features:

• Smart Lookup: Finds apps by name (fuzzy search) in AppList.json
  • Source: SAP Fiori Apps Library
• Automatic Construction: Builds standard FLP URLs with sap-client and sap-language
• Language Support: Toggle between EN, DE, FR, etc.
• Intelligent Suggestions: Suggests similar apps if an exact match isn't found

Example Prompts:

"Generate URL for Create Maintenance Request app with base URL https://myserver.com:44300 and client 100"

"Find apps related to 'Workflow'"

URL Format:

{BASE_URL}/sap/bc/ui2/flp?sap-client={CLIENT}&sap-language={LANGUAGE}#{SEMANTIC_OBJECT}-{ACTION}

Released ABAP Classes

Quick reference for finding released ABAP classes available in ABAP Cloud Development (SAP BTP ABAP Environment).

Features:

• Comprehensive catalog of 50+ released ABAP classes organized by category
• Ready-to-use code examples for common use cases
• Covers: Console, UUID, Time/Date, Email, JSON/XML, HTTP, RAP, String Processing, Random Numbers, Regex, Unit Testing, Parallel Processing, Application Logs, PDF Rendering, and more

Example Prompts:

"What is the released class for sending email?"

"Give me the class for getting time and date in UTC format"

"How do I generate a UUID in ABAP Cloud?"

"Show me classes for JSON processing"

Common Categories:

• Console Output: IF_OO_ADT_CLASSRUN, CL_DEMO_CLASSRUN
• Email: CL_BCS_MAIL_MESSAGE
• UUID: CL_SYSTEM_UUID, XCO_CP_UUID
• Time & Date: CL_ABAP_CONTEXT_INFO, XCO_CP_TIME, CL_ABAP_UTCLONG
• JSON/XML: XCO_CP_JSON, /UI2/CL_JSON, CL_SXML_*
• HTTP: CL_WEB_HTTP_CLIENT_MANAGER, CL_HTTP_DESTINATION_PROVIDER
• RAP: CL_ABAP_BEHV_AUX, CL_ABAP_BEHAVIOR_HANDLER

ATC Cloudification Repository

Configure ATC Cloud Readiness and Clean Core checks using the SAP Cloudification Repository for Released APIs.

Features:

• Configuration guidance for SAP Cloud ERP and SAP Cloud ERP Private
• JSON file URL reference for all available versions (Latest, PCE2022–PCE2025)
• Required SAP Notes checklist for Cloud Readiness and Clean Core setup
• Links to the Cloudification API Viewer for interactive browsing
• Support for new Clean Core checks (Usage of APIs, Allowed Enhancement Technologies)

Example Prompts:

"Configure ATC cloud readiness check for SAP Cloud ERP"

"Which JSON file do I use for Cloud ERP Private 2025 FPS00?"

"Set up clean core ATC check variant"

"Show me the URL for the cloudification repository"

ABAP

Check and improve ABAP code quality using abaplint and Clean ABAP principles.

Features:

• Automated static analysis via abaplint CLI for syntax, type, and rule checking
• Starter configurations for On-Premise, Steampunk/BTP, and HANA compatibility
• Comprehensive Clean ABAP review across 15 categories (Names, Language, Constants, Variables, Tables, Strings, Booleans, Conditions, Ifs, Classes, Methods, Error Handling, Comments, Formatting, Testing)
• Priority-based issue reporting (Critical, Major, Minor)
• Actionable recommendations with code examples

Example Prompts:

"Run abaplint on my ABAP project"

"Configure abaplint for my on-premise system"

"Check this ABAP code for clean code compliance"

"Review my ABAP method for best practices"

Check Categories:

• abaplint: Syntax errors, type checking, parser errors, DDIC checks, and configurable rules
• Names: Descriptive naming, no Hungarian notation, snake_case
• Language: Modern syntax, functional constructs, no obsolete elements
• Methods: Small methods, few parameters, RETURNING over EXPORTING
• Error Handling: Exceptions over return codes, proper exception classes
• And more...

Clean ABAP

Review ABAP code for compliance with Clean ABAP principles, based on the Clean ABAP style guide adapted from Robert C. Martin's Clean Code.

Features:

• Categorizes issues across 15 Clean ABAP sections (Names, Language, Constants, Variables, Tables, Strings, Booleans, Conditions, Ifs, Classes, Methods, Error Handling, Comments, Formatting, Testing)
• Prioritizes findings by severity (Critical, Major, Minor)
• Actionable recommendations with anti-pattern and clean code examples
• References the official Clean ABAP style guide
• Includes review checklist and quick-reference patterns

Example Prompts:

"Check this ABAP code for Clean ABAP compliance"

"Review my ABAP for clean code best practices"

"Is this ABAP method following Clean ABAP guidelines?"

RAP (RESTful ABAP Programming Model)

Build transactional applications using RAP in ABAP Cloud — behavior definitions (BDL), EML statements, managed/unmanaged BOs, draft handling, actions, validations, determinations, side effects, and business events.

Features:

• Full BDL syntax reference for behavior definitions (managed, unmanaged, projection)
• EML quick reference for CRUD, actions, deep create, and draft operations
• Handler and saver class implementation patterns
• Draft handling with with draft and collaborative draft support
• RAP save sequence and derived type components (%tky, %cid, %control, etc.)

Example Prompts:

"Create a managed RAP business object with draft handling"

"Write EML to execute an action on a RAP BO"

"Add a validation and determination to my behavior definition"

CDS View Entities

Build semantic data models using ABAP CDS view entities — data modeling, annotations, associations, compositions, access controls, expressions, input parameters, and metadata extensions.

Features:

• Complete CDS syntax for root, child, and projection view entities
• Associations, compositions, and join patterns with ABAP SQL path expressions
• Built-in functions (string, date/time, aggregate), CASE expressions, and input parameters
• UI, semantics, and access control annotations including metadata extensions
• Data model patterns for RAP composition trees and admin fields

Example Prompts:

"Create a CDS root view entity with a composition to a child entity"

"Add UI annotations and a metadata extension for a Fiori list report"

"Define a CDS access control with PFCG authorization checks"

ABAP Unit Testing

Write effective ABAP Unit tests — test class setup, assertions, test doubles, mocking frameworks, and specialized test environments for CDS views, SQL-dependent code, and RAP business objects.

Features:

• Complete CL_ABAP_UNIT_ASSERT assertion method reference
• Dependency injection and manual mock (test double) patterns
• CDS test environment (cl_cds_test_environment) for testing CDS views with stubbed data
• OSQL test environment (cl_osql_test_environment) for SQL-dependent code
• RAP BO test doubles (transactional buffer doubles and mock EML APIs)

Example Prompts:

"Write a unit test class with a mock dependency for my ABAP class"

"Test a CDS view entity using the CDS test environment"

"Create RAP BO test doubles for testing EML operations"

ABAP Cloud / Clean Core

Develop with the ABAP Cloud programming model — 3-tier extensibility model, ABAP for Cloud Development restrictions, wrapper patterns for unreleased APIs, released API discovery, and clean core principles.

Features:

• 3-tier extensibility model (Key User, Developer, Classic) with tier selection guidance
• ABAP for Cloud Development restrictions and prohibited language constructs
• Wrapper pattern for exposing unreleased APIs via released interfaces
• Common unreleased-to-released API replacement table
• Released API discovery methods (ADT search, Cloudification Viewer, ATC checks)

Example Prompts:

"What is the released API replacement for AUTHORITY-CHECK in ABAP Cloud?"

"Create a wrapper class for an unreleased function module"

"Explain the 3-tier extensibility model and when to use each tier"

abapGit Workflows

Manage ABAP development objects in Git repositories using abapGit — repository setup, cloning, branching strategies, .abapgit.xml configuration, transport-vs-git workflows, and CI/CD integration with abaplint.

Features:

• Setup instructions for abapGit standalone (on-premise) and ADT (BTP)
• Core operations: clone, push, pull with step-by-step guidance
• .abapgit.xml configuration reference (folder logic, ignore patterns, requirements)
• Branching strategy (trunk-based) and hybrid transport+git workflows
• CI/CD integration with abaplint GitHub Actions

Example Prompts:

"Set up abapGit and clone a repository into my SAP system"

"What branching strategy should I use for ABAP development with abapGit?"

"Configure abaplint CI for my ABAP Git repository"

OData Service Development

Create and consume OData services in ABAP — RAP-based (V4/V2) and SEGW-based (V2) approaches, service definitions and bindings, OData annotations for Fiori, external OData consumption, and troubleshooting.

Features:

• RAP-based OData service architecture (CDS → BDEF → Service Definition → Service Binding)
• OData V4 vs V2 comparison and service binding types
• SEGW-based classic OData V2 service development
• External OData consumption using HTTP client and OData client proxy
• OData/Fiori annotation patterns and error troubleshooting

Example Prompts:

"Expose my RAP business object as an OData V4 service"

"Consume an external OData service from ABAP Cloud"

"What's the difference between OData V4 and V2 service bindings?"

ABAP SQL & AMDP

Write modern ABAP SQL and ABAP Managed Database Procedures — inline declarations, window functions, CTEs, aggregate expressions, set operations, PRIVILEGED ACCESS, and AMDP table functions.

Features:

• Modern ABAP SQL syntax: inline declarations, expressions, CASE, CAST
• Window functions (ROW_NUMBER, RANK, LAG/LEAD, running totals)
• Common Table Expressions (CTE) with WITH clause
• AMDP class structure, procedures, and CDS table functions via SQLScript
• Built-in SQL functions reference (string, numeric, date/time, conversion, aggregate)

Example Prompts:

"Write an ABAP SQL query using window functions to rank results"

"Create an AMDP table function for a CDS view"

"How do I use a Common Table Expression (CTE) in ABAP SQL?"

BAdI & Enhancement Framework

Extend SAP standard functionality using BAdIs and the enhancement framework — new and classic BAdI frameworks, filter-based BAdIs, fallback classes, enhancement spots, and key user extensibility.

Features:

• New vs. classic BAdI framework comparison with ABAP Cloud compatibility
• Step-by-step BAdI creation (enhancement spot, interface, definition, fallback class)
• BAdI implementation and discovery techniques (ADT search, breakpoint on GET BADI)
• Enhancement spots and sections (explicit points, replaceable code sections)
• Key user extensibility (custom fields, custom logic, no-code extensions)

Example Prompts:

"Create a custom BAdI with filter-based implementations"

"How do I find and implement an existing SAP BAdI?"

"What's the difference between new and classic BAdI frameworks?"

SAP BTP ABAP Environment

Set up and develop in the SAP BTP ABAP Environment (Steampunk) — service instance creation, ADT connectivity, communication arrangements, software components, IAM setup, and project scaffolding.

Features:

• Service instance provisioning with JSON parameter configuration
• ADT connectivity setup (ABAP Cloud Project, service key authentication)
• Communication management (scenarios, systems, arrangements) for inbound/outbound integration
• Software component and package structure management
• IAM setup (IAM apps, business catalogs, business roles) and useful Fiori apps reference

Example Prompts:

"Set up a new BTP ABAP Environment instance and connect ADT"

"Configure a communication arrangement for outbound HTTP calls"

"Create the package structure for my first RAP project on BTP"

Authorization & IAM

Implement authorization checks and identity/access management — authorization objects, CDS access controls (DCL), IAM apps, business catalogs, business roles, PFCG roles, and RAP instance/global authorization.

Features:

• ABAP Cloud authorization via CL_ABAP_AUTHORIZATION and on-premise AUTHORITY-CHECK
• CDS access control (DCL) with pfcg_auth, inheritance, and user-based restrictions
• IAM model for ABAP Cloud (IAM App → Business Catalog → Business Role)
• RAP instance and global authorization handler implementations
• PFCG role management, composite roles, and restriction types

Example Prompts:

"Implement instance authorization in my RAP business object"

"Create a CDS access control with PFCG authorization checks"

"Set up IAM apps and business catalogs for my OData service on BTP"

RAP Business Events & Enterprise Eventing

Implement event-driven patterns using RAP business events and SAP Event Mesh — event definitions in BDEFs, raising events from handler/saver methods, event bindings, and event consumption patterns.

Features:

• Event definition in behavior definitions with CDS abstract entity parameters
• Raising events from handler and saver methods via RAISE ENTITY EVENT
• Enterprise event enablement with event bindings and SAP Event Mesh integration
• Local and external event consumption patterns
• Event-driven architecture patterns (fire-and-forget, event-carried state transfer)

Example Prompts:

"Define and raise a business event in my RAP behavior definition"

"How do I bind a RAP event to SAP Event Mesh for cross-system delivery?"

"Create an event consumer that reacts to travel creation events"

ABAP Cloud Migration Patterns

Systematically migrate classic ABAP custom code to ABAP Cloud (Tier 1) compliance — ATC Cloud Readiness checks, unreleased API replacements, wrapper class generation, and step-by-step migration workflows.

Features:

• ATC Cloud Readiness check execution and finding categorization
• Comprehensive unreleased-to-released API replacement tables (database access, FMs, language constructs)
• Wrapper pattern with step-by-step creation and C1 release process
• Migration strategies by object type (reports, dynpro transactions, BAPIs, RFC FMs)
• Step-by-step migration checklist from assessment to validation

Example Prompts:

"Run a cloud readiness assessment on my ABAP package and suggest replacements"

"What's the released API replacement for GUID_CREATE and NUMBER_GET_NEXT?"

"Create a wrapper class to make READ_TEXT available in ABAP Cloud"

BTP Diagram Generator

Generate SAP BTP solution architecture diagrams as native draw.io (.drawio) files following the official SAP BTP Solution Diagram guidelines (Fiori Horizon design system) and open them via a configured draw.io MCP server.

Features:

• Python btp_builder package with fluent API — a typical L1 diagram is ~20 lines of code
• Bundled SAP BTP icon library (~100 icons) with fuzzy-name lookup and the official SAP Fiori Horizon palette
• Audience-level presets (L0 business / L1 technical / L2 detailed) with correct icon sizes, fonts, and connector semantics
• Auto port-pinning, A4 landscape sizing, SVG icon upscaling, and built-in diagram validation
• 11 official editable example diagrams (Task Center, Build Work Zone, Cloud Identity Services, Private Link, etc.) as style donors

Example Prompts:

"Draw a BTP architecture for a Task Center scenario with Cloud Identity Services"

"Generate an L2 BTP solution diagram showing CAP + HANA Cloud + Build Work Zone + S/4HANA integration"

"Create a draw.io diagram of our SAP BTP integration landscape using Integration Suite"

Repository Structure

skills/
├── abap/
│   ├── SKILL.md
│   └── references/
│       ├── abaplint.md
│       ├── CleanABAP.md
│       ├── checklist.md
│       └── quick-reference.md
├── abap-cloud/
│   └── SKILL.md
├── abap-cloud-migration/
│   └── SKILL.md
├── abap-sql-amdp/
│   └── SKILL.md
├── abap-unit-testing/
│   └── SKILL.md
├── abapgit/
│   └── SKILL.md
├── atc-cloudification/
│   ├── SKILL.md
│   └── references/
│       └── quick-reference.md
├── authorization-iam/
│   └── SKILL.md
├── badi-enhancement/
│   └── SKILL.md
├── btp-abap-environment/
│   └── SKILL.md
├── cds-view-entities/
│   └── SKILL.md
├── clean-abap/
│   ├── SKILL.md
│   └── references/
│       ├── CleanABAP.md
│       ├── checklist.md
│       └── quick-reference.md
├── odata/
│   └── SKILL.md
├── rap/
│   └── SKILL.md
├── rap-business-events/
│   └── SKILL.md
├── released-abap-classes/
│   ├── SKILL.md
│   └── references/
│       └── Released_ABAP_Classes.md
└── sap-fiori-apps-reference/
    ├── SKILL.md
    ├── scripts/
    │   ├── fiori-url-generator.js
    │   ├── fiori-url-generator.py
    │   └── test.py
    └── references/
        └── AppList.json

Prerequisites

• Node.js (v16+) for the Fiori URL generator scripts and abaplint (npm install @abaplint/cli -g)
• The AppList.json file for Fiori app lookups

License

MIT