io.github.VanLandinghamLabs/arcsync-mcp
ArcSync
Is the ArcSync MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-12.
Architecture graphs from Terraform, CDK, CloudFormation, Pulumi and ARM, for coding agents
alive probed 2026-11-14 · unchanged since 2026-11-12
- Run it
- npx -y arcsync-mcp@0.3.20 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- arcsync 0.3.20
- Capabilities
- tools
- Instructions
- 993 characters
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 3.4k tokens in Claude Opus 5.5, exact, measured 2026-11-02. With the Claude Code prefix mcp__…__ on each tool name: 3.5k. The o200k_base estimate is 2.0k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/VanLandinghamLabs/arcsync-mcp
- Website
- https://arcsync.dev/docs/mcp
- Registry
- active, updated 2026-11-12 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.72×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| start_parse | 476 | 277 | 14 % |
| get_delta | 392 | 228 | 12 % |
| push_diagram | 388 | 226 | 12 % |
| describe_resource | 345 | 201 | 10 % |
| get_diagram | 326 | 190 | 10 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- Nanostores MCP io.github.Valyay/nanostores-mcp · alive
- io.github.VanguardiaAI/doktor · alive
- io.github.Varshavia/repomagpie · alive
- PageIndex MCP io.github.VectifyAI/pageindex-mcp · needs network
- VideoVector MCP Server io.github.VectorMethods/videovector-mcp-server · needs env
- Context Fabric io.github.VIKAS9793/context-fabric · crashed on start
- io.github.VLab-Software/easyeda-pro-mcp · crashed on start
- Temporal Continuity io.github.VRhodes68/temporal-continuity · not found
Servers that mention cloudformation or architecture.
- Arketo ai.arketo/arketo · needs auth
- Aiqbee Brain com.aiqbee/brain · needs auth
- ExcaliClaw com.excaliclaw/excaliclaw · needs auth
- GitDiagram com.gitdiagram/gitdiagram · alive
- Inwardis com.inwardis/inwardis · needs your URL
- OntoRamp Graph Query com.ontoramp/graph-query · needs auth
- Arne Kellmann Consulting de.arnekellmann/consulting · alive
- ArchGraph dev.archgraph/mcp · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.