DechoNet MCP MCP server

An official MCP server providing 21 domain reconnaissance tools for AI agents. It performs passive security checks including DNS, SSL, HTTP headers, email authentication, subdomain discovery, and OWASP posture analysis, delivering interpreted results with severity and actionable recommendations.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by DechoNet

MCP endpoint (Streamable HTTP)

https://dechonet.com/mcp

Vendor documentation

What you can do with it

Perform full domain security scans with parallel checks
Check SSL certificates and Post-Quantum TLS readiness
Discover subdomains and identify lookalike domains
Analyze email authentication and security headers

Tools advertised by the last live check:

dns_lookup
ssl_check
http_security
email_auth
port_scan
dns_propagation
reverse_dns
asn_lookup
whois_lookup
subdomain_discovery
lookalike_domains
ip_info
email_header_analysis
subnet_calc
security_scan
owasp_check
impersonation_exposure
domain_changes
watch_domain
golive_check
pqc_readiness
phishing_link_check
exposure_map

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http dechonet-mcp https://dechonet.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add dechonet-mcp --url https://dechonet.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable dechonet-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "dechonet-mcp": {
      "url": "https://dechonet.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "dechonet-mcp": {
      "type": "streamableHttp",
      "url": "https://dechonet.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start dechonet-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "dechonet-mcp": {
      "type": "http",
      "url": "https://dechonet.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http dechonet-mcp https://dechonet.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "dechonet-mcp": {
      "url": "https://dechonet.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "dechonet-mcp": {
      "serverUrl": "https://dechonet.com/mcp"
    }
  }
}

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