Authmcp Gateway vs MCP Guardian — MCP Server Comparison | AllMCPs
Side-by-Side Model Context Protocol Comparison
Authmcp Gateway vs MCP Guardian
In-depth architectural comparison of the Authmcp Gateway and MCP Guardian 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
Authmcp Gateway
Security · Local stdio
Quality: 55/100 (Good) | Auth: other
MCP Guardian
Security · Local stdio
Quality: 48/100 (Fair) | Auth: OAuth 2.0
Verdict Summary: Choose Authmcp Gateway if you need specialized Security tools running via a local process. Choose MCP Guardian 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 Authmcp Gateway when:
You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: other (Free / Open Source).
Security and governance proxy for MCP infrastructure. Enforces YAML-configurable policies (blocklists, rate limits, token budgets), tracks real token costs via tiktoken, monitors server health with live JSON-RPC probes. Features include OAuth 2.1/OIDC with RBAC, web dashboard with Prometheus metrics, payload normalization against encoding bypasses, semantic shell AST analysis, mTLS zero-trust networking, circuit breakers, and a formal STRIDE threat model. 168 tests across 16 suites. Install: npm install -g @mcp-guardian/server
Tools & Capabilities Breakdown
Authmcp Gateway Tools (3)
annotations.readOnlyHint
annotations.idempotentHint
annotations.destructiveHint
MCP Guardian Tools (1)
Audit
[`persistCallRecord`](src/utils/call-record-cost.ts) → async [`audit-write-queue`](src/database/audit-write-queue.ts) → SQLite; blocks also emit [`StructuredLogger.logBlocked`](src/utils/structured-logger.ts) for SIEM.
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).
Authmcp Gateway is categorized under Security and uses a local stdio subprocess. In contrast, MCP Guardian belongs to Security using local stdio subprocess. Select Authmcp Gateway when you need capabilities focused on security and MCP Guardian when you require tools for security.