io.github.rtmandreyev/construct
Construct
Is the Construct MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.
Checks an agent's part-by-part description of a thing and builds it as glTF, OBJ, 3MF or STL.
alive probed 2026-11-14
12tools
4.2ktokens in Claude Opus 5.5
2.1 %of Claude's 200k window
1.7×the median server
151 msto initialize
3 msto list tools
- Bundle
- https://github.com/rtmandreyev/construct/releases/download/v1.3.2/construct-mcp-1.3.2.mcpb (MCPB, for a client that installs bundles; probed in a container with the network off)
- Host
- github.com
- Reports itself as
- construct 1.3.2
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.4 % of a 1M context window
- Count
- 4.2k tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 4.3k. The o200k_base estimate is 2.5k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/rtmandreyev/construct
- Website
- https://rtmandreyev.github.io/construct/
- Registry
- active, updated 2026-11-13 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.70×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| construct_netlogo_draw | 913 | 537 | 22 % |
| construct_print | 739 | 435 | 18 % |
| construct_export | 612 | 360 | 15 % |
| construct_netlogo_instrument | 600 | 353 | 14 % |
| construct_limits | 418 | 246 | 10 % |
Compare this server with others.
More servers
Other registry entries on github.com, the ones next to this name; all of them.
- Woolly io.github.rjcuff/woolly · alive
- Storyblocks io.github.rocksfrow/storyblocks · alive
- Ross AI Apify Actors io.github.rossbuilds/rossai-apify-mcp · alive
- Drafta io.github.rpegorov/drafta-mcp · crashed on start
- io.github.rubato103/kci-openapi-mcp · crashed on start
- io.github.rubato103/nl-openapi-mcp · crashed on start
- io.github.rubatoyd/kci-openapi-mcp · crashed on start
- io.github.rubatoyd/kosis-openapi-mcp · crashed on start
Servers that mention construct.
- Aginera ai.aginera/preconstruction · needs auth
- Nebelus Agent Construction ai.nebelus/construction · needs auth
- QCDatabase.AI ai.qcdatabase/mcp · needs auth
- ai.smithery/RectiFlex-centerassist-mcp · not found
- ai.smithery/RectiFlex-centerassist-mcp-cp · not found
- ai.smithery/RectiFlex-centerassist-mcp-cp1 · not found
- Geztio Platform co.geztio/platform · needs auth
- Inventory Ledger Reconciliation com.a2awire/benchmark-inventory-ledger-reconciliation-v1 · alive
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.