Aegis vs Subdomain API
A side-by-side look at the Aegis and Subdomain API MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
S
Subdomain APISecurity · Remote HTTP/SSEFind known subdomains of a domain. Passive data; may include historic entries. List or count.39FairAuth: no auth requiredVerdict: choose Aegis for security work as a local process; choose Subdomain API for security over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Aegis when
- You need dedicated capabilities in the Security domain.
- You prefer a local stdio subprocess transport.
SChoose Subdomain API when
- You need dedicated capabilities in the Security domain.
- You prefer a remote HTTP/SSE transport.
- Its auth model fits you: No auth required.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | S Subdomain API | |
|---|---|---|
| Category | Security | Security |
| Quality signal | 53/100 · Good | 39/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 14 | — |
| Directory activity | 3 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | Not listed | Not listed |
| Full listing | View Aegis | View Subdomain API |
Tools & capabilities
Aegis tools
No tool names declared yet. Check the project README from the listing page.
Subdomain API 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.
Aegis
{
"mcpServers": {
"getaegis-aegis": {
"command": "npx",
"args": [
"-y",
"@getaegis/cli"
]
}
}
}
Subdomain API
{
"mcpServers": {
"subdomain-api": {
"command": "npx",
"args": [
"-y",
"subdomain-api"
]
}
}
}
Frequently asked questions
Aegis is categorized under Security and uses a local stdio subprocess. Subdomain API belongs to Security and uses a remote HTTP/SSE transport. Pick Aegis for security work and Subdomain API for security.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Aegis has no declared pricing — check the project's own site. Subdomain API has no declared pricing — check the project's own site. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add getaegis-aegis and subdomain-api as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Aegis has a quality signal of 53/100 (Good) with 3 views, 0 installs and 14 GitHub stars. Subdomain API has 39/100 (Fair) with 1 views, 0 installs and 0 GitHub stars.