Companies House vs Deep Research
A side-by-side look at the Companies House and Deep Research MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Companies House for legal work as a local process; choose Deep Research for finance & fintech. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Companies House when
- You need dedicated capabilities in the Legal domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: API key required.
- You have the keys it needs:
COMPANIES_HOUSE_API_KEY.
DChoose Deep Research when
- You need dedicated capabilities in the Finance & Fintech domain.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | D Deep Research | |
|---|---|---|
| Category | Legal | Finance & Fintech |
| Quality signal | 49/100 · Fair | 37/100 · Fair |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | API key required | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | COMPANIES_HOUSE_API_KEY | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 13 | — |
| Directory activity | 5 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View Companies House | View Deep Research |
Tools & capabilities
Companies House tools
No tool names declared yet. Check the project README from the listing page.
Deep Research tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Companies House
{
"mcpServers": {
"companies-house": {
"command": "npx",
"args": [
"-y",
"companies-house-mcp"
],
"env": {
"COMPANIES_HOUSE_API_KEY": "YOUR_COMPANIES_HOUSE_API_KEY_HERE"
}
}
}
}
Deep Research
No confirmed install command for Deep Research yet — follow the setup steps linked from its listing page rather than a guessed package name.