io.github.arc-mcp/arc-1
ARC-1
MCP server for SAP ABAP systems
alive probed 2026-10-15
8tools
18ktokens in Claude Opus 5.5
18ktokens in Claude Code
9.1 %of a 200k context window
11ko200k_base estimate
2.1 sto initialize
10 msto list tools
- Run it
- npx -y arc-1@1.5.2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- arc-1 1.5.2
- Capabilities
- tools
- Instructions
- 1 801 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/arc-mcp/arc-1.git
- Website
- https://docs.arc-1-mcp.com/
- Registry
- active, updated 2026-10-10 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| SAPRead | 2 412 | 23 % |
| SAPDiagnose | 2 286 | 22 % |
| SAPTransport | 1 676 | 16 % |
| SAPManage | 1 434 | 14 % |
| SAPContext | 1 080 | 10 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.arc-mcp/arc-1)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.