MCP Tenant Isolation vs ToolTrust Scanner
A side-by-side look at the MCP Tenant Isolation and ToolTrust Scanner MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose MCP Tenant Isolation for security work as a local process; choose ToolTrust Scanner for security as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose 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.
Choose ToolTrust Scanner when
- You need dedicated capabilities in the Security domain.
- You prefer a local stdio subprocess transport.
- You want tools like
tooltrust_scan_config, tooltrust_scan_server, tooltrust_scanner_scan.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Security | Security |
| Quality signal | 57/100 · Good | 57/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 4 | 19 |
| Directory activity | 0 views 0 installs 0 upvotes | 2 views 0 installs 0 upvotes |
| Tools | 4 | 5 |
| Full listing | View MCP Tenant Isolation | View ToolTrust Scanner |
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.
ToolTrust Scanner tools 5
tooltrust_scan_configScan all MCP servers in your `.mcp.json` or `~/.claude.jsontooltrust_scan_serverLaunch and scan a specific MCP server by commandtooltrust_scanner_scanScan a raw JSON blob of tool definitionstooltrust_lookupLook up a server's trust grade from the ToolTrust Directorytooltrust_list_rulesList all built-in security rules
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": {
"mcp-tenant-isolation": {
"command": "npx",
"args": [
"-y",
"mcp-tenant-isolation"
]
}
}
}
ToolTrust Scanner
{
"mcpServers": {
"tooltrust-scanner": {
"command": "npx",
"args": [
"-y",
"tooltrust-mcp"
]
}
}
}
Frequently asked questions
MCP Tenant Isolation is categorized under Security and uses a local stdio subprocess. ToolTrust Scanner belongs to Security and uses a local stdio subprocess. Pick MCP Tenant Isolation for security work and ToolTrust Scanner 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. ToolTrust Scanner 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 tooltrust-scanner 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. ToolTrust Scanner has 57/100 (Good) with 2 views, 0 installs and 19 GitHub stars.