Contraptify
Design redstone machines with your AI and test them tick by tick with Java Edition 26.3 rules.
What it does
Contraptify is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.
No capability identified yet from its description.
Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.
At a glance
How to connect
As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 3h ago (live check)Hosted endpoint
https://mcp.contraptify.com/mcpstreamable-http
In Claude Code: claude mcp add --transport http contraptify https://mcp.contraptify.com/mcp
MCP settings (Claude Desktop, Cursor and other MCP clients)
{
"mcpServers": {
"contraptify": {
"url": "https://mcp.contraptify.com/mcp"
}
}
}Live check
Electra Index connected to the hosted endpoint 3h agoONLINE Contraptify answered an MCP connection on 01 Nov 2026 and introduced itself as contraptify 0.1.0 (MCP protocol 2025-06-18).
5 tools offered to AI assistants
simulate· Run a redstone design with its own test (inputs and expectations) and return which expectations hold and which fail (with what the block was instead, and when), what visibly changed (lamps, pistons, doors, dispensers) and when, dispenser shexplain· List a design's parts with their explanations, how many blocks each covers, and any blocks without a part. Use it before show to make sure every block is explained. Do not use it to test whether the machine works: use simulate.list_examples· List the built-in example designs (clocks, counters, a piston door, a lock, a flying machine). Use it to find a known-good starting point. Do not use it to fetch a design's blocks: use get_example.get_example· Return one built-in example design with its blocks, part explanations and its own test, by id from list_examples. Large designs (the 0-9 counter has about 2,500 blocks, the 00-59 clock about 5,100) are long. Do not use it to show an exampleshow· Show a design to the user in an interactive 3D viewer in the chat: they can press its button or flip its lever, watch it run tick by tick, move around, and click any part to read what it does. Give either design, or example (an id from list
What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method
Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.
Facts & evidence
Each fact shows where it was seen and when.| Fact | Value | Evidence | Source | Last confirmed |
|---|---|---|---|---|
| Hosted endpoint | https://mcp.contraptify.com/mcp | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Local install (package) | no | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Remote access (hosted) | yes | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Website | https://contraptify.com | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Repository | https://github.com/torsviklabs/contraptify | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Registry status | active | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| Version | 0.1.0 | DECLARED | SRC-001 Official MCP Registry | 3h ago |
| MCP server | yes | DECLARED | SRC-001 Official MCP Registry | 3h ago |
Change history
- NEW01 Nov 2026first seen in the index
Is this page accurate?
Flag it and our robot re-checks the official source. Reports never change a score.Is Contraptify still online?
Free alerts · no account▲ 0Do you run Contraptify? Know when it stops answering
For publishers · optionalIts hosted endpoint can be monitored. Monitoring Pro connects every 30 minutes like an AI assistant, emails you within the hour when it stops answering, keeps a 90-day availability history and adds your answer rate to your badge.
Monitoring never changes a score or a rank.
Are you the publisher of Contraptify?
Free · show your listingAn independent listing builds trust with your buyers. Announce it, and add the badge to your website or README.
<a href="https://electraindex.com/mcp/contraptify?utm_source=badge&utm_medium=share&utm_campaign=listing"><img src="https://electraindex.com/api/badge/contraptify" alt="Listed on Electra Index"></a>Questions about Contraptify
How do I connect Contraptify?
Use the hosted endpoint https://mcp.contraptify.com/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.
What tools does Contraptify offer?
When Electra Index connected on 01 Nov 2026, it listed 5 tools: simulate, explain, list_examples, get_example, show. The full list is in "Live check" above.
Is Contraptify online?
Yes. Its hosted endpoint answered an MCP connection from Electra Index 3h ago.