abap-mcp
Provides offline static analysis, ABAP Cloud readiness scoring, RAP scaffolding, released API lookup, and code comparison for SAP ABAP source code.
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@abap-mcp check if zreport is cloud-ready"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
abap-mcp
MCP server for SAP ABAP — offline static analysis, ABAP Cloud readiness, and RAP scaffolding. No SAP system. No credentials. Works on ABAP source wherever your AI agent works: a git checkout, an abapGit export, a code review, CI.
Built on abaplint (the open-source ABAP parser/linter) and the Model Context Protocol. TypeScript, 100% local — the server makes zero network calls and reads no user files: sources go in as text, findings come back as structured JSON. (The released-API list and abaplint's rule data are package-bundled assets that ship inside the install — no network, no user filesystem, at runtime.)
Why this exists
Every other ABAP MCP server is either a bridge to a live SAP system (ADT/RFC — needs credentials, a system, and trust) or a documentation search. But AI coding agents spend most of their time where the files are — editing abapGit repos, reviewing diffs, generating code — long before anything reaches a system. This server gives agents the missing feedback loop at that layer:
"Does this ABAP parse? Is it clean? How does it perform?" →
lint_abap(+ focus packs)"How far is this classic report from ABAP Cloud? Grade it." →
check_cloud_readiness(A–D)"Did this rework make the code better or worse?" →
compare_abap"Is MARA a released API? What do I use instead?" →
check_released_api"Start me a correct RAP business object." →
scaffold_rap_bo"What's in this 4,000-line class? Draw it." →
get_abap_outline(+ Mermaid)
Related MCP server: dassian-adt
Quickstart
# Claude Code
claude mcp add abap-mcp -- npx -y abap-mcp
# or any MCP client (.mcp.json / mcp.json):
{
"mcpServers": {
"abap-mcp": { "command": "npx", "args": ["-y", "abap-mcp"] }
}
}From a clone instead:
npm install && npm run build
claude mcp add abap-mcp -- node /path/to/abap-mcp/dist/cli.jsThen ask your agent things like "lint this class against ABAP Cloud", "is zold_report cloud-ready?", or "scaffold a RAP BO for entity Booking on table zbooking, draft enabled".
CLI — same engine, no AI required
Every tool is also a subcommand, so it works in terminals and CI where no MCP client exists:
npx abap-mcp lint src/ # lint files or whole directories
npx abap-mcp lint src/ --focus Performance # themed pass: Performance | Security | Styleguide
npx abap-mcp lint src/ --rules-file org.json # your org's abaplint rule pack, same engine
npx abap-mcp readiness src/ --fail-below 80 # repo-level ABAP Cloud readiness, scored + graded A–D
npx abap-mcp compare old/ new/ # rework verdict: findings resolved/introduced, grade movement
npx abap-mcp scaffold --entity Travel --table ztravel --key travel_id --out ./out
npx abap-mcp outline src/zcl_monster.clas.abap # navigate big objects (--mermaid for a diagram)
npx abap-mcp released MARA I_Product # released-API status + CDS successor
npx abap-mcp explain exit_or_check # rule rationaleDirectories are walked recursively (abapGit naming), batched automatically, and readiness
merges batches into one scored, categorized repo report. Exit codes are CI-friendly
(1 on error findings / failed threshold).
Recipes, agents & CI
docs/COOKBOOK.md — practical recipes: the fix-until-clean loop,
PR review without a transport, whole-repo migration triage, CI gates, per-persona use cases.
examples/claude-code/ — drop-in agentic workflows: an
abap-code-reviewer subagent, an abap-cloud-migrator sweep loop (readiness score as the
loop condition), per-repo .mcp.json, and a GitHub Actions quality gate for abapGit repos.
Tools
Tool | What it does |
| abaplint static analysis over ABAP/CDS/BDEF sources → structured findings with rule docs links. Presets: |
| Dual-parse diff (classic baseline vs |
| Before/after verdict on a rework: lint findings resolved vs introduced (matched by content, so moved code isn't noise), blocker/score/grade movement, and classes/methods/FORMs added or removed. The objective referee for refactors and AI rewrites. |
| Looks up objects (tables, CDS views, function modules, classes, …) in SAP's bundled Cloudification snapshot → |
| Generates the canonical RAP managed-BO stack (root view, behavior definition |
| Browse abaplint's ~180 rules (filter by text or tag). |
| One rule in depth — rationale (often Clean ABAP), examples, docs URL. |
| Offline pretty-printer (keyword case + indentation). |
| Classes/methods/visibility/interfaces/FORMs of a source — navigate big objects without reading them whole. Optional Mermaid classDiagram output for instant structure visuals. |
Honesty box — what this is not
Not ATC. The objective readiness score is still language-level: statements ABAP Cloud removed. Released-API coverage is now partial and offline:
check_released_apiand thereleasedApiFindingsin readiness reflect SAP's published Cloudification list as of the bundled snapshot date — they cover tables and function modules referenced in your source, not every API, and are only as current as the snapshot. A target system's own released-API list (ATC checkAPI_RELEASE_STATE_CHECK/SAP_CP_READINESS) remains authoritative; treat an "absent from the list" result as "not released as of the snapshot", not as proof.Scaffold validation is tiered. Generated classes and CDS views are round-tripped through abaplint at Cloud level before they're returned (the generator and the linter share one parser). Behavior/service definitions are outside abaplint's checked surface — they are golden-tested canonical templates, and ADT activation is the final arbiter. Each generated file is labeled
validated: "abaplint" | "template".Text-in only, by design. No user-filesystem walking, no network — the entire attack surface is a parser over strings you explicitly pass. (The released-API snapshot and abaplint's rule data are package-bundled assets imported from the install, not fetched or read from your disk.) For linting whole directories, use the abaplint CLI in CI, or the mcp-kit
wrap-abaplintrecipe this server grew out of.
Develop
npm install
npm run check # typecheck + 149 tests + build — the CI gate
node dist/cli.js # stdio MCP server
npx @modelcontextprotocol/inspector --cli node dist/cli.js --method tools/listTool descriptions are CI-graded (a rubric test enforces verb-first names, when-to-use, non-goals, described params, worked examples — the mcp-kit discipline; the full mcp-kit lint scores all nine tools 100/100).
Design
The decision log — why offline, why abaplint, why a dual-parse readiness diff, why the
scaffolder validates its own output, what was deliberately left out — lives in
docs/DESIGN.md.
Credits
abaplint by Lars Hvam — the parser and rule engine underneath every tool here (MIT).
SAP/abap-atc-cr-cv-s4hc — SAP's official ABAP Cloudification Repository (object release list), Apache-2.0. The bundled released-API snapshot (
src/data/released-apis.json, snapshot 2026-06-10) is a compact transform of that data, redistributed under Apache-2.0 with attribution; see docs/DESIGN.md andscripts/build-released-api-index.mjsfor the pipeline.mcp-kit — the production-MCP patterns this server follows (typed tool specs, transport discipline, description lint).
MIT © Akshay Palimkar. Not affiliated with or endorsed by SAP SE. "SAP", "ABAP" and "RAP" are trademarks of SAP SE; this is an independent open-source tool for developers working with them.
Available Tools
9 toolscheck_cloud_readinessCheck ABAP Cloud readinessARead-onlyIdempotent
Assess how far ABAP source is from ABAP Cloud (Clean Core tier 1) by parsing it twice — once at a classic baseline (default v758) and once at version Cloud — and diffing: findings that appear only at Cloud are genuine cloud blockers (statements ABAP Cloud removed), reported in categories (dynpro, list output, native SQL, report events, …) with a transparent score, an A–D tech-debt grade and a verdict; findings already present at the baseline are reported separately as broken code, not migration work. Use this when someone asks 'is this code cloud-ready / Clean Core compliant / S/4HANA-cloud safe', before porting classic ABAP into an ABAP Cloud environment, or for a graded tech-debt assessment of an abapGit export. It is static and parser-level: it does not check released-API usage (that needs a system's ATC), does not connect to any SAP system, and a 'ready' verdict means no language-level blockers — not a certification. Example: check_cloud_readiness({ "files": [ { "source": "REPORT zold.\nWRITE: / 'hi'." } ] }).
Inputs: files (required), baselineVersion. Returns: grade, score, verdict, fileCount, +7 more
check_released_apiCheck ABAP released-API statusARead-onlyIdempotent
Look up ABAP repository objects (DB tables, CDS view entities, function modules, classes, interfaces, …) in SAP's published ABAP Cloudification list and report, per object, whether it is a 'released' API (safe to use in ABAP Cloud / Clean Core), 'deprecated' (released but being retired), or 'not-released' (a classic/internal object that is not a public API — e.g. most classic DDIC tables) — with a curated CDS successor hint for common tables. This reflects SAP's official Cloudification list as bundled in this package (snapshot 2026-06-10); it ships offline with the server. Use this when you need to know if your code may reference a given object in ABAP Cloud, or which released CDS view to use instead of a classic table — the released-API half of readiness that check_cloud_readiness deliberately leaves to a system's ATC. It does not connect to any SAP system, does not run ATC, and is only as current as the bundled snapshot — a system's own released-API list (ATC check API_RELEASE_STATE_CHECK / SAP_CP_READINESS) remains authoritative; treat an 'absent from the list' result as 'not-released as of the snapshot', not as proof. Example: check_released_api({ "objects": ["MARA", "I_Product", "BAPI_MATERIAL_GET_DETAIL"] }).
Inputs: objects (required). Returns: source, results, snapshotDate
compare_abapCompare two ABAP versionsARead-onlyIdempotent
Compare a BEFORE and an AFTER version of ABAP source and report what a rework actually changed: lint findings resolved and introduced (matched by content, so moved-but-unchanged code is not noise), cloud-blocker / score / A–D grade movement from the same dual-parse diff as check_cloud_readiness, and structural changes — classes, methods and FORMs added or removed. Use this when reviewing a refactor, a modernization step or an AI-generated rewrite of an existing object and you need an objective better-or-worse verdict instead of eyeballing a diff. It is not a textual diff tool (use git diff to see the edits) and it cannot judge functional equivalence — behavior can change while every number improves; it does not connect to any SAP system. Example: compare_abap({ "before": [ { "source": "REPORT zr.\nWRITE 1." } ], "after": [ { "source": "REPORT zr.\nWRITE 2." } ] }).
Inputs: after (required), before (required), focus, rules, +2 more. Returns: after, before, resolved, matchNote, +3 more
explain_abap_ruleExplain an abaplint ruleARead-onlyIdempotent
Explain one abaplint rule in depth: title, description, extended rationale (often citing the Clean ABAP style guide), tags, documentation URL, and good/bad code examples where the rule defines them. Use this when a lint_abap or check_cloud_readiness finding needs justification — to explain to a developer why the finding matters and how to fix it. It does not run analysis and only knows abaplint rules; SAP ATC check documentation is out of scope. Example: explain_abap_rule({ "rule": "exit_or_check" }).
Inputs: rule (required). Returns: key, tags, title, docsUrl, +4 more
format_abapFormat ABAP sourceARead-onlyIdempotent
Pretty-print one ABAP source: normalize keyword casing and indentation using abaplint's formatter — the offline equivalent of Pretty Printer in ADT/SE80. Use this when generated or hand-written ABAP has inconsistent casing/indentation and you want it normalized before review or commit. It does not reformat CDS views or behavior definitions, does not change any logic, and fails cleanly on source it cannot parse. Example: format_abap({ "source": "report ztest.\nwrite 'hi'." }).
Inputs: source (required), filename. Returns: formatted
get_abap_outlineGet ABAP source outlineARead-onlyIdempotent
Return the structural outline of ABAP sources — classes (with methods, visibility, attributes, interfaces, inheritance), interfaces, and FORM routines — without you having to read the whole file. Use this when navigating a large class or legacy program to decide which part to read or edit next; it is the cheap first call before pulling thousands of lines into context. Set mermaid: true to also get the structure as a Mermaid classDiagram (inheritance, interface realization, method visibility) for documentation visuals. It does not return method bodies or analyze code quality (use lint_abap for that), and CDS/behavior-definition files yield an empty outline. Example: get_abap_outline({ "files": [ { "filename": "zcl_big.clas.abap", "source": "CLASS zcl_big DEFINITION…" } ] }).
Inputs: files (required), mermaid. Returns: mermaid, outlines
lint_abapLint ABAP sourceARead-onlyIdempotent
Run abaplint static analysis over ABAP, CDS or behavior-definition sources and return structured findings (rule key, message, severity, file/line/column, the offending line, and a docs URL per finding). Use this when you have written or modified ABAP code and want style and correctness feedback before it goes anywhere near a system — it runs entirely offline on the provided text. It does not connect to any SAP system, does not run ATC, and cannot judge whether referenced objects exist unless you provide them in the same call (preset "style", the default, skips whole-program checks for that reason; preset "full" enables them when you provide every dependency). A focus tag turns a pass into a themed review (performance / security / Clean ABAP style) without hand-picking rules; rule overrides layer a team's own pack on top. For an ABAP-Cloud migration verdict use check_cloud_readiness instead. Example: lint_abap({ "files": [ { "source": "REPORT ztest.\nDATA foo TYPE i.\nIF foo = 1.\nENDIF." } ] }).
Inputs: files (required), focus, rules, preset, +1 more. Returns: findings, fileCount, truncated
list_abap_rulesList abaplint rulesARead-onlyIdempotent
List the abaplint rules this server can check, optionally filtered by a free-text query or a tag, returning key, title, one-line description, tags and a documentation URL per rule. Use this when deciding which rules to enable or override in lint_abap, or to discover what a Clean-ABAP-style check exists for. It does not run any analysis and does not change configuration — it is a read-only catalog. Example: list_abap_rules({ "query": "obsolete" }).
Inputs: tag, query. Returns: count, rules
scaffold_rap_boScaffold a RAP business objectARead-onlyIdempotent
Generate the complete, canonical RAP managed business-object stack for one root entity: root CDS view entity, behavior definition (managed, strict(2), optional draft), behavior implementation class with handler locals, projection view with transactional_query, projection behavior definition, UI metadata extension, and an OData V4 service definition — plus a suggested table DDL, the activation order, and next steps. Use this when starting a new RAP business object in ABAP Cloud or S/4HANA and you want correct boilerplate that follows the SAP /DMO reference shape instead of writing it by hand. Generated classes and CDS views are round-trip validated through abaplint at ABAP-Cloud level before being returned; behavior and service definitions are canonical templates (abaplint does not parse those deeply) and ADT activation is the final check. It does not create the table or the service binding (binding is not a source artifact — create it in ADT), and it generates single-entity BOs: model compositions (parent-child) yourself for now. Example: scaffold_rap_bo({ "entityName": "Travel", "sqlTable": "ztravel", "keyField": "travel_id", "fields": [ { "name": "agency_id", "type": "abap.char(6)" } ], "draft": true }).
Inputs: keyField (required), sqlTable (required), entityName (required), draft, +3 more. Returns: files, nextSteps, activationOrder, validationIssues, +1 more
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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TDQS
Scored across 9 tools
Every tool targets a distinct operation: linting, cloud readiness, released API lookup, formatting, outline, scaffolding, comparison, and rule catalog/explanation. Even though lint_abap, check_cloud_readiness, and compare_abap all analyze ABAP source, their descriptions clearly differentiate them by purpose and output.
All tool names follow a consistent verb_noun pattern in lower_snake_case (compare_abap, lint_abap, check_cloud_readiness, scaffold_rap_bo, etc.). The pattern is predictable and aligns with the tool's action.
With 9 tools, the set is well-scoped for an ABAP development assistant. Each tool covers a distinct part of the development workflow without unnecessary redundancy or bloat.
The set covers the core needs of static analysis (lint, cloud readiness, released APIs), code generation (scaffold RAP BO), formatting, structural navigation, diffing, and rule exploration. No obvious dead ends or missing critical operations for its stated purpose.
Maintenance
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