Helixar Security vs MCP Tenant Isolation
A side-by-side look at the Helixar Security and MCP Tenant Isolation MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Helixar Security for security work over a hosted endpoint; choose MCP Tenant Isolation 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 Helixar Security when
- You need dedicated capabilities in the Security domain.
- You prefer a remote HTTP/SSE transport.
- You want tools like
helixar_inspect_mcp, helixar_hdp_validate.
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.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Security | Security |
| Quality signal | 56/100 · Good | 57/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Remote HTTP/SSE | 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 | 0 | 4 |
| Directory activity | 0 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 2 | 4 |
| Full listing | View Helixar Security | View MCP Tenant Isolation |
Tools & capabilities
Helixar Security tools 2
helixar_inspect_mcpScan an MCP server (URL or raw manifest JSON) against Helixar's Sentinel detection rules. Returns risk score, findings, and a Claude-generated security brief. Quick mode is free + authless (top 8 rules); deep mode runs all 26 rules with an api_key.helixar_hdp_validateValidate an HDP delegation chain against IETF draft-helixar-hdp-agentic-delegation-00. Surfaces scope escalations, depth violations, expired hops, missing signatures. Every output cites the IETF draft and Zenodo DOI.
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.
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.
Helixar Security
{
"mcpServers": {
"helixar-security": {
"url": "https://mcp.helixar.ai/mcp"
}
}
}
MCP Tenant Isolation
{
"mcpServers": {
"mcp-tenant-isolation": {
"command": "npx",
"args": [
"-y",
"mcp-tenant-isolation"
]
}
}
}
Frequently asked questions
Helixar Security is categorized under Security and uses a remote HTTP/SSE transport. MCP Tenant Isolation belongs to Security and uses a local stdio subprocess. Pick Helixar Security for security work and MCP Tenant Isolation 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.
Helixar Security has no declared pricing — check the project's own site. MCP Tenant Isolation 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 helixar-security and mcp-tenant-isolation as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Helixar Security has a quality signal of 56/100 (Good) with 0 views, 0 installs and 0 GitHub stars. MCP Tenant Isolation has 57/100 (Good) with 0 views, 0 installs and 4 GitHub stars.