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ARC-1 MCP server

by marianfoo·io.github.marianfoo/arc-1·v0.9.18·202 stars
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MCP server for SAP ABAP systems

A85/100grade A
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Safety scan
A85/100

full report

Adoption
Established

202 stars2.0k downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

ARC-1 tools (4, 2 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • SAP

    Universal SAP tool. Actions:

  • SAPActivate

    Activate (publish) ABAP objects. Supports single object or batch activation.

  • SAPDiagnosewrite action

    Run diagnostics on ABAP objects and analyze runtime errors.

  • SAPLintwrite action

    Run local abaplint rules on ABAP and CDS source code. System-aware: auto-selects cloud or on-prem rules based on detected system type.

Public scan report

scanner v0.1.9 · 2026-09-26 · same rubric, same numbers if you re-run it

no findings
  • Code scan238 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 0 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year9/10
Overall 85/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install ARC-1 in Claude Code, Cursor or VS Code

Runs npx -y arc-1 on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add arc-1 -- npx -y arc-1
Add to Cursor

What the publisher says

From the ARC-1 repository's README, as published. We do not edit it. Read it on GitHub

ARC-1 — SAP ADT MCP Server

ARC-1 (pronounced arc one [ɑːrk wʌn]) — Enterprise-ready MCP server for SAP ABAP systems. Secure by default, deployable to BTP or on-premise, and hardened with large unit/integration/E2E test coverage.

ARC-1 connects AI assistants (Claude, GitHub Copilot, Copilot Studio, and any MCP client) to SAP systems via the ADT REST API. It ships as an npm package and Docker image.

Full Documentation | Quickstart | Tool Reference | ARC-1 Updates | Blog Series

📬 Stay current with ARC-1 — get major releases, upgrade and security notes, practical guides, and occasional questions where your feedback can shape what comes next. Join ARC-1 Updates →

📖 New: AI ABAP Development blog series — long-form posts on AI for ABAP, ARC-1 design, and real-world BTP / Copilot Studio / Joule walkthroughs. Read the series →

Why ARC-1?

Built for organizations that need AI-assisted SAP development with guardrails. Inspired by the pioneering work of abap-adt-api, mcp-abap-adt, and vibing-steampunk — ARC-1 adds what's needed to run in production:

Security & Admin Controls

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

ARC-1: common questions

Is ARC-1 MCP server safe?
Yes, by our scan: it is graded A (85/100). Read the ARC-1 safety report
How do I install ARC-1?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does ARC-1 need an API key?
Yes. The registry entry asks for SAP_PASSWORD.
Is ARC-1 maintained?
The last commit was 17 days ago (2026-09-26). The latest release is v0.9.18.
What can I use instead of ARC-1?
Servers from other publishers that do the same job: ARC-1 MCP server.

Alternatives to ARC-1

Same job from other publishers: the closest match first, then the best rated.

  • ARC-1
    MCP server for SAP ABAP systems
    B

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