Aegis vs REA

A side-by-side look at the Aegis and REA 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.55GoodAuth: not declaredREA logoREASecurity · Local subprocess (stdio)Reverse engineer anything from your terminal or agent with one CLI and MCP server.56GoodAuth: no auth required

Verdict: choose Aegis for security work as a local process; choose REA for security as a local process. 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

REA logoChoose REA when

  • You need dedicated capabilities in the Security domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
Explore REA

Feature & specification comparison

Rows where the two servers differ are marked.

SpecAegis logoAegisREA logoREA
CategorySecuritySecurity
Quality signal55/100 · Good56/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars14391,360
Directory activity 4 views 0 installs 0 upvotes 15 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.

REA 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"
      ]
    }
  }
}

REA

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "rea": {
      "command": "npx",
      "args": [
        "-y",
        "rea-agents"
      ]
    }
  }
}

Frequently asked questions

Aegis is categorized under Security and uses a local stdio subprocess. REA belongs to Security and uses a local stdio subprocess. Pick Aegis for security work and REA 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. REA 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 rea 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 55/100 (Good) with 4 views, 0 installs and 14 GitHub stars. REA has 56/100 (Good) with 15 views, 0 installs and 391,360 GitHub stars.