MCP Tenant Isolation vs Checker MCP

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

MCP Tenant Isolation logoMCP Tenant IsolationSecurity · Local subprocess (stdio)Static analysis scanner for MCP server code and multi-tenant SaaS applications.57GoodAuth: not declaredChecker MCP logoChecker MCPSecurity · Local subprocess (stdio)Domain security & privacy checker: 17 live checks (SPF, DMARC, DKIM, DNSSEC, TLS, CAA, security headers) scored 0-100 with remediation. Local-first, zero telemetry. In the official MCP Registry as com.oksigenia/checker-mcp; npm @oksigenia/checker-mcp.57GoodAuth: not declared

Verdict: choose MCP Tenant Isolation for security work as a local process; choose Checker MCP 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 Tenant Isolation logoChoose MCP Tenant Isolation when

  • You need dedicated capabilities in the Security domain.
  • You prefer a local stdio subprocess transport.
  • You want tools like scan_tenant_isolation, list_tenant_isolation_rules, explain_tenant_isolation_rule.
Explore MCP Tenant Isolation

Checker MCP logoChoose Checker MCP when

  • You need dedicated capabilities in the Security domain.
  • You prefer a local stdio subprocess transport.
  • You have the keys it needs: OKSIGENIA_LANG.
  • You want tools like check_domain, list_checks, explain_check.
Explore Checker MCP

Feature & specification comparison

Rows where the two servers differ are marked.

SpecMCP Tenant Isolation logoMCP Tenant IsolationChecker MCP logoChecker MCP
CategorySecuritySecurity
Quality signal57/100 · Good57/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNot declared
PricingNot declaredNot declared
Required env varsNone listedOKSIGENIA_LANG
Verified ownerCommunity listingCommunity listing
GitHub stars40
Directory activity 0 views 0 installs 0 upvotes 2 views 0 installs 0 upvotes
Tools43

Tools & capabilities

MCP Tenant Isolation tools 4

  • scan_tenant_isolationScan a project path. Returns structured findings with completeness, coverage, concern families, and receipt.
  • list_tenant_isolation_rulesReturns all 57 rules with metadata. Filterable by category.
  • explain_tenant_isolation_ruleReturns rule details, OWASP mapping, CWE IDs, fix suggestions.
  • suppress_tenant_isolation_findingAdd a suppression with reason, approver, controls, and expiry.

Checker MCP tools 3

  • check_domainRun the Oksigenia Checker against a domain and return a scored security report from real live checks (SSL/TLS, email authentication, DNS & infrastructure, web security). Accepts a bare domain or a URL. Optionally restrict to specific categories.
  • list_checksList every check the Oksigenia Checker performs, grouped by category, with the reason each one matters. Useful to know what check ids exist.
  • explain_checkGiven a check id (see list_checks), explain what it verifies, why it matters, and how to remediate a failure.

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 Tenant Isolation

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

Checker MCP

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "oksigeniasl-checker-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@oksigenia/checker-mcp"
      ],
      "env": {
        "OKSIGENIA_LANG": "YOUR_OKSIGENIA_LANG_HERE"
      }
    }
  }
}

Frequently asked questions

MCP Tenant Isolation is categorized under Security and uses a local stdio subprocess. Checker MCP belongs to Security and uses a local stdio subprocess. Pick MCP Tenant Isolation for security work and Checker MCP 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 Tenant Isolation has no declared pricing — check the project's own site. Checker MCP 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 mcp-tenant-isolation and oksigeniasl-checker-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, MCP Tenant Isolation has a quality signal of 57/100 (Good) with 0 views, 0 installs and 4 GitHub stars. Checker MCP has 57/100 (Good) with 2 views, 0 installs and 0 GitHub stars.