Rail Score vs Auth0 MCP Server

A side-by-side look at the Rail Score and Auth0 MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Rail Score logoRail ScoreSecurity · Remote HTTP/SSEResponsible-AI guardrails for agents: scoring, prompt-injection & PII detection, DPDP compliance.43FairAuth: not declaredAuth0 MCP Server logoAuth0 MCP ServerSecurity · Local subprocess (stdio)Auth0 MCP Server: Manage Auth0 applications, APIs, actions, logs, and forms using natural language51GoodAuth: not declared

Verdict: choose Rail Score for security work over a hosted endpoint; choose Auth0 MCP Server for security as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Rail Score logoChoose Rail Score when

  • You need dedicated capabilities in the Security domain.
  • You prefer a remote HTTP/SSE transport.
  • You want tools like rail_evaluate, rail_check_compliance, rail_detect_injection.
Explore Rail Score

Auth0 MCP Server logoChoose Auth0 MCP Server when

  • You need dedicated capabilities in the Security domain.
  • You prefer a local stdio subprocess transport.
Explore Auth0 MCP Server

Feature & specification comparison

Rows where the two servers differ are marked.

SpecRail Score logoRail ScoreAuth0 MCP Server logoAuth0 MCP Server
CategorySecuritySecurity
Quality signal43/100 · Fair51/100 · Good
Install commandConfirmedConfirmed
TransportRemote HTTP/SSELocal subprocess (stdio)
AuthNot declaredNot declared
PricingNot declaredNot declared
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars0121
Directory activity 1 views 0 installs 0 upvotes 2 views 0 installs 0 upvotes
Tools9Not listed

Tools & capabilities

Rail Score tools 9

  • rail_evaluateScore content across the 8 RAIL dimensions (optional `policy` enforcement)
  • rail_check_complianceCheck against gdpr, ccpa, hipaa, eu_ai_act, india_dpdp, india_ai_gov
  • rail_detect_injectionDetect prompt injection in untrusted text
  • rail_evaluate_tool_callAllow/warn/block a tool call before it runs
  • rail_scan_tool_resultScan a tool's output for PII + injection, return redacted text
  • rail_safe_regenerateIteratively regenerate content until it passes (slow)
  • rail_dpdp_scanScan for Indian personal data under the DPDP Act 2023
  • rail_dpdp_gateReal-time DPDP processing gate (allow/block/require_action)
  • rail_dpdp_complianceDPDP workflow: emit, require, evidence, session, timers

Auth0 MCP Server 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.

Rail Score

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "rail-score": {
      "url": "https://mcp.responsibleailabs.ai/mcp"
    }
  }
}

Auth0 MCP Server

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "auth0-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@auth0/auth0-mcp-server"
      ]
    }
  }
}

Frequently asked questions

Rail Score is categorized under Security and uses a remote HTTP/SSE transport. Auth0 MCP Server belongs to Security and uses a local stdio subprocess. Pick Rail Score for security work and Auth0 MCP Server 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.

Rail Score has no declared pricing — check the project's own site. Auth0 MCP Server has no declared pricing — check the project's own site. 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 rail-score and auth0-mcp-server as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Rail Score has a quality signal of 43/100 (Fair) with 1 views, 0 installs and 0 GitHub stars. Auth0 MCP Server has 51/100 (Good) with 2 views, 0 installs and 121 GitHub stars.