Official MCP server for OpenSOSData - real-time US business entity search across all 53 jurisdictions (all 50 states + DC + Puerto Rico + US Virgin Islands). Search, verify, and check status of any LLC, corporation, or registered entity via Claude.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add --transport http opensosdata-us-business-entity-search https://mcp.opensosdata.com/mcp~/.codex/config.toml
[mcp_servers.opensosdata-us-business-entity-search]
url = "https://mcp.opensosdata.com/mcp"
# codex mcp add opensosdata-us-business-entity-search --url https://mcp.opensosdata.com/mcp~/.cursor/mcp.json
{
"mcpServers": {
"opensosdata-us-business-entity-search": {
"url": "https://mcp.opensosdata.com/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"opensosdata-us-business-entity-search": {
"type": "http",
"url": "https://mcp.opensosdata.com/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"opensosdata-us-business-entity-search": {
"httpUrl": "https://mcp.opensosdata.com/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"opensosdata-us-business-entity-search": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.opensosdata.com/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"opensosdata-us-business-entity-search": {
"url": "https://mcp.opensosdata.com/mcp"
}
}
}