OpenAEO vs Shield — MCP Server Comparison | AllMCPs
Side-by-Side Model Context Protocol Comparison
OpenAEO vs Shield
In-depth architectural comparison of the OpenAEO and Shield MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
OpenAEO
Security · Local stdio
Quality: 53/100 (Good) | Auth: No auth required
Shield
Security · Local stdio
Quality: 63/100 (Good) | Auth: No auth required
Verdict Summary: Choose OpenAEO if you need specialized Security tools running via a local process. Choose Shield if your workspace requires Security integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose OpenAEO when:
You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Audit a site for AI search visibility and write the fixes: robots.txt, llms.txt, JSON-LD. Free, MIT.
Local guardrail proxy for AI coding agents. Wraps any MCP server (stdio or Streamable HTTP) and blocks destructive tool calls — DROP TABLE, rm -rf, force-push — before they execute. MCP supply-chain protection: TOFU tool-catalog pinning against rug pulls, plus tool-description and tool-result scanning for tool poisoning and prompt injection. 51 starter rules, approval gates, audit logging. Single binary, Apache-2.0.
Category & Scope
Tools & Capabilities Breakdown
OpenAEO Tools (12)
aeo_fix_my_site
One shot, no codebase needed.** Audits, detects your platform, and returns where-to-paste steps for that platform's admin
aeo_audit
Audits a live domain — score, band, every check, prioritised fixes
aeo_fix_files
Generates paste-ready `robots.txt`, `llms.txt`, JSON-LD, and an opening paragraph
aeo_fix_html
Takes a page's HTML, returns it with `<title>`, meta description and JSON-LD injected — **only adds what's missing, never rewrites your content
aeo_check_html
Scores HTML without changing it, to verify the edits worked
aeo_read_log
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
OpenAEO is categorized under Security and uses a local stdio subprocess. In contrast, Shield belongs to Security using local stdio subprocess. Select OpenAEO when you need capabilities focused on security and Shield when you require tools for security.
Reads a server access log and reports what the crawlers **actually** got: which arrived, what status, which paths, and whether each request really came from the operator it claimed. Parsed on your machine; the log never leaves it
aeo_verify_crawler
Checks one IP against the ranges the operator publishes. Answers verified, impostor, or unverifiable, and never says impostor without positive evidence
aeo_crawler_intel
Has this site's CDN started refusing AI crawlers, and when did that change
aeo_citations
Ask the assistants a buyer question, record whether you were named