<strong>🙇♀️ Universal Contract AI Interface</strong> <strong>☑️ UCAI in Anthropic MCP Registry</strong> | <strong>🌐 Try
If you already use Ucai, the ucai mcp server is the piece that lets your assistant work with it directly. 🙇♀️ Universal Contract AI Interface ☑️ UCAI in Anthropic MCP Registry | 🌐 Try the Web Builder → | 📖 Documentation.
Found a contract on Etherscan? One command. Claude can now use it.
Because this one is hosted, setup is mostly authentication — you point your client at the endpoint and approve access. Nothing runs on your machine, so there is no runtime to keep patched.
The toolset is worth reading before you wire it up, because it tells you what the integration is really for:
Vibecoders — Ship faster with AI-generated blockchain toolsPre — configured claude_config.jsonsource — ABI file path or contract addressCRITICAL — The CRITICAL tool exposed by this serverHIGH — The HIGH tool exposed by this serverPOSITIVES — The POSITIVES tool exposed by this serverSeverity — ExamplesTemplate — Contractsaddress — string with patternuint256 — string (for precision)uint8-uint32 — integer with boundsbool — booleanConfiguration is passed through the environment: RPC_URL, PRIVATE_KEY, ETHERSCAN_API_KEY. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.
Plenty of AI and media services servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Ucai's toolset — Vibecoders, Pre, source and 11 more — is a fair guide to whether it matches your workflow. It is maintained by nirholas; worth a glance at recent repository activity before you build anything load-bearing on it.
We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.
| Tool | What it does |
|---|---|
| Vibecoders | Ship faster with AI-generated blockchain tools |
| Pre | configured claude_config.json |
| source | ABI file path or contract address |
| CRITICAL | The CRITICAL tool exposed by this server. |
| HIGH | The HIGH tool exposed by this server. |
| POSITIVES | The POSITIVES tool exposed by this server. |
| Severity | Examples |
| Template | Contracts |
| address | string with pattern |
| uint256 | string (for precision) |
| uint8-uint32 | integer with bounds |
| bool | boolean |
| string | string |
| bytes | string with pattern |
{
"mcpServers": {
"ucai": {
"command": "uvx",
"args": ["abi-to-mcp"],
"env": {
"RPC_URL": "your-value",
"PRIVATE_KEY": "your-value",
"ETHERSCAN_API_KEY": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| RPC_URL | Endpoint or connection string the server talks to. | Yes |
| PRIVATE_KEY | Credential the server authenticates with. | Yes |
| ETHERSCAN_API_KEY | Credential the server authenticates with. | Yes |
Build a programmable telecommunications stack for connecting telephony services with the Internet via a cloud-based utility.
Search built for AI, not humans — semantic web search that returns model-ready content, plus code context.
Answers, not links — delegate questions to Perplexity's search-grounded models and get cited responses back.
Give your assistant a voice — text-to-speech, voice cloning and audio tools from the ElevenLabs API.
Give your assistant a real code sandbox — isolated cloud VMs for actually running the code it writes.
The ML hub in your context window — search models, datasets, papers and run Spaces from the official server.