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Service that lets AI Agents search, register, and configure domains
Service that lets AI Agents search, register, and configure domains
Valid MCP server (2 strong, 4 medium validity signals). 5 known CVEs in dependencies (0 critical, 3 high severity) Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.
12 files analyzed · 6 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
This plugin requests these system permissions. Most are normal for its category.
Set these up before or after installing:
Environment variable: BLOOMFILTER_PRIVATE_KEY
Environment variable: BLOOMFILTER_API_URL
Environment variable: BLOOMFILTER_NETWORK
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-eronmmer-bloomfilter": {
"env": {
"BLOOMFILTER_API_URL": "your-bloomfilter-api-url-here",
"BLOOMFILTER_NETWORK": "your-bloomfilter-network-here",
"BLOOMFILTER_PRIVATE_KEY": "your-bloomfilter-private-key-here"
},
"args": [
"-y",
"@bloomfilter/mcp-server"
],
"command": "npx"
}
}
}From the project's GitHub README.
MCP server for Bloomfilter, search & register domain names and manage DNS records from AI agents.
Bloomfilter is a domain registration and configuration API that uses x402 for payments. Point your AI agent at the Bloomfilter API, give it a wallet with some USDC, and it can autonomously search, register, and configure domains.
No login, no credit card, no dashboard. Just HTTP requests and a crypto wallet.
This MCP server wraps the Bloomfilter API so that any MCP-compatible client (Claude Desktop, Cursor, Windsurf, custom agents, etc.) can use it as a tool provider.
BLOOMFILTER_PRIVATE_KEY=0x... npx @bloomfilter/mcp-server
The server communicates over stdio (JSON-RPC). It's meant to be launched by an MCP client, not run standalone.
Add this JSON to your MCP client's config file:
{
"mcpServers": {
"bloomfilter": {
"command": "npx",
"args": ["-y", "@bloomfilter/mcp-server"],
"env": {
"BLOOMFILTER_PRIVATE_KEY": "0x..."
}
}
}
}
| Client | Config file |
|---|---|
| Claude Desktop | claude_desktop_config.json |
| Claude Code | ~/.claude/settings.json |
| Cursor | .cursor/mcp.json |
| Windsurf | ~/.codeium/windsurf/mcp_config.json |
| VS Code + Copilot | .vscode/mcp.json |
| Cline | Via Cline MCP settings UI |
| JetBrains IDEs | Settings > Tools > AI Assistant > MCP |
Any MCP-compatible client that supports stdio servers will work.
| Variable | Required | Default | Description |
|---|---|---|---|
BLOOMFILTER_PRIVATE_KEY | For paid operations | - | EVM private key (hex). Used for x402 payments and wallet-based auth. |
BLOOMFILTER_API_URL | No | https://api.bloomfilter.xyz | API base URL. |
Without a private key, only search_domains and get_pricing work. Everything else requires a wallet.
The server exposes 10 tools:
search_domains: Check if a domain is available and get pricing. Searches across multiple TLDs at once.get_pricing: Get registration, renewal, and transfer pricing for one or all supported TLDs.get_domain_info: Get details about a registered domain: status, expiry, nameservers, lock state.register_domain: Register a new domain. Pays with USDC via x402 automatically. Handles async provisioning.renew_domain: Extend a domain registration. Same x402 payment flow.get_account: View wallet address, domain count, total spent.list_dns_records: List all DNS records for a domain.add_dns_record: Add a DNS record (A, AAAA, CNAME, MX, TXT, NS, SRV, CAA, FORWARD).update_dns_record: Update an existing DNS record by ID.delete_dns_record: Delete a DNS record by ID.Bloomfilter uses the x402 protocol, an HTTP-native payment standard. When a tool triggers a paid API call, the server handles payment negotiation automatically:
All payments are in USDC on Base (an Ethereum L2). You need USDC in the wallet corresponding to your private key.
The server authenticates with the Bloomfilter API using SIWE (Sign-In With Ethereum). This happens automatically on the first authenticated tool call. No setup needed beyond providing your private key.
Full API reference and guides at docs.bloomfilter.xyz.
git clone https://github.com/BloomFilter-Labs/mcp-server-bloomfilter.git
cd mcp-server-bloomfilter
npm install
npm run build
Requires Node.js 20+.
MIT
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