Registrum MCP Server
by registrumukio.github.RegistrumUK/uk-companies-house-mcpv2.0.15
UK company data: profiles, iXBRL financials, directors, PSC chains, ECCTA. Hosted, no key.
context tax
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security
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cold start
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freshness
Active1d ago
Install Registrum MCP server
Install in Claude Code
claude mcp add registrum -e REGISTRUM_API_KEY='<registrum-api-key>' -- npx -y @registrum/mcpInstall in Cursor
{
"mcpServers": {
"registrum": {
"command": "npx",
"args": [
"-y",
"@registrum/mcp"
],
"env": {
"REGISTRUM_API_KEY": "<registrum-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"registrum": {
"command": "npx",
"args": [
"-y",
"@registrum/mcp"
],
"env": {
"REGISTRUM_API_KEY": "<registrum-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"registrum": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@registrum/mcp"
],
"env": {
"REGISTRUM_API_KEY": "<registrum-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"registrum": {
"command": "npx",
"args": [
"-y",
"@registrum/mcp"
],
"env": {
"REGISTRUM_API_KEY": "<registrum-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| REGISTRUM_API_KEY | — | yes | Optional. Without it the server uses the keyless hosted endpoint https://registrum.co.uk/api/mcp, which has daily caps. A free key gives 60 days of full access (every endpoint, no monthly cap, no card), then stays free for light use. Get a free key at https://registrum.co.uk/?utm_source=mcp&utm_campaign=registry |
Remote endpoints
- streamable-http
https://registrum.co.uk/api/mcp
Freshness
Active — last maintenance signal 1d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-08 · 1d ago · GitHub
Latest release
2026-10-08 · 1d ago · GitHub · v2.0.15
Package published
no data · npm/PyPI
Registry entry updated
2026-10-08 · 1d ago · official registry · v2.0.15
FAQ
›How do I install the Registrum MCP server in Claude Code?
Run: claude mcp add registrum -e REGISTRUM_API_KEY='<registrum-api-key>' -- npx -y @registrum/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Registrum require an API key?
Yes. It expects REGISTRUM_API_KEY, of which 1 is a secret.
›Can I use Registrum as a remote (hosted) MCP server?
Yes — it offers both a hosted endpoint and a local stdio package.
›Is Registrum in the official MCP registry?
Yes, as io.github.RegistrumUK/uk-companies-house-mcp.