OU
OpenSOSData – US Business Entity Search
io.github.OpenSOSData/mcp-server
Search US business entity records across all 53 jurisdictions in real time
Yes, once you sign in.The endpoint is live and speaks MCP correctly. You'll need to sign in with your account (OAuth) to use its tools.
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Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.opensosdata.com/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.opensosdata.com/mcp{
"mcpServers": {
"mcp-server": {
"url": "https://mcp.opensosdata.com/mcp"
}
}
}claude mcp add --transport http mcp-server https://mcp.opensosdata.com/mcp{
"servers": {
"mcp-server": {
"type": "http",
"url": "https://mcp.opensosdata.com/mcp"
}
}
}Tools
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