Aegis vs HOL Guard

A side-by-side look at the Aegis and HOL Guard MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Aegis logoAegisSecurity · Local subprocess (stdio)Credential isolation proxy for AI agents. Injects secrets at the network boundary with domain restrictions, agent authentication, and audit logging. No SDK required — works as a transparent HTTP proxy or MCP server.53GoodAuth: not declaredHOL Guard logoHOL GuardSecurityLocal-first AI agent security evidence and approval workflows through HOL Guard's stdio MCP server.44FairAuth: no auth required

Verdict: choose Aegis for security work as a local process; choose HOL Guard for security. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Aegis logoChoose Aegis when

  • You need dedicated capabilities in the Security domain.
  • You prefer a local stdio subprocess transport.
Explore Aegis

HOL Guard logoChoose HOL Guard when

  • You need dedicated capabilities in the Security domain.
  • Its auth model fits you: No auth required.
Explore HOL Guard

Feature & specification comparison

Rows where the two servers differ are marked.

SpecAegis logoAegisHOL Guard logoHOL Guard
CategorySecuritySecurity
Quality signal53/100 · Good44/100 · Fair
Install commandConfirmedNot confirmed yet
TransportLocal subprocess (stdio)—
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars14940
Directory activity 2 views 0 installs 0 upvotes 3 views 0 installs 0 upvotes
ToolsNot listedNot listed

Tools & capabilities

Aegis tools

No tool names declared yet. Check the project README from the listing page.

HOL Guard 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 (Claude Desktop / Cursor)
{
  "mcpServers": {
    "getaegis-aegis": {
      "command": "npx",
      "args": [
        "-y",
        "@getaegis/cli"
      ]
    }
  }
}

HOL Guard

No confirmed install command for HOL Guard yet — follow the setup steps linked from its listing page rather than a guessed package name.

Frequently asked questions

Aegis is categorized under Security and uses a local stdio subprocess. HOL Guard belongs to Security and uses an install path we have not confirmed yet. Pick Aegis for security work and HOL Guard 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. HOL Guard has no confirmed install command yet — follow its own setup instructions.

Aegis has no declared pricing — check the project's own site. HOL Guard is listed as free. 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 hol-guard 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 2 views, 0 installs and 14 GitHub stars. HOL Guard has 44/100 (Fair) with 3 views, 0 installs and 940 GitHub stars.