MCP Fortress vs Semgrep

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

MCP Fortress logoMCP FortressSecuritySecurity scanner for MCP servers with vulnerability detection and prompt injection analysis.29EmergingAuth: not declaredSemgrep logoSemgrepSecurity · Local subprocess (stdio)Scan code for security vulnerabilities using Semgrep.48FairAuth: no auth required

Verdict: choose MCP Fortress for security work; choose Semgrep for security as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

MCP Fortress logoChoose MCP Fortress when

  • You need dedicated capabilities in the Security domain.
Explore MCP Fortress

Semgrep logoChoose Semgrep 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 Semgrep

Feature & specification comparison

Rows where the two servers differ are marked.

SpecMCP Fortress logoMCP FortressSemgrep logoSemgrep
CategorySecuritySecurity
Quality signal29/100 · Emerging48/100 · Fair
Install commandNot confirmed yetConfirmed
Transport—Local subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars417,235
Directory activity 3 views 0 installs 0 upvotes 1 views 0 installs 0 upvotes
ToolsNot listedNot listed

Tools & capabilities

MCP Fortress tools

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

Semgrep 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.

MCP Fortress

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

Semgrep

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "semgrep-semgrep": {
      "command": "uvx",
      "args": [
        "semgrep"
      ]
    }
  }
}

Frequently asked questions

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

MCP Fortress has no declared pricing — check the project's own site. Semgrep 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 mcp-fortress and semgrep-semgrep as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, MCP Fortress has a quality signal of 29/100 (Emerging) with 3 views, 0 installs and 4 GitHub stars. Semgrep has 48/100 (Fair) with 1 views, 0 installs and 17,235 GitHub stars.