MCP Tenant Isolation vs Pulsefeed X402

A side-by-side look at the MCP Tenant Isolation and Pulsefeed X402 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 declaredPulsefeed X402 logoPulsefeed X402Security · Local subprocess (stdio)Trust & safety layer for x402 agent payments: before your agent pays an x402 endpoint, verify it is safe — liveness, scam/anomaly scan (payTo hijack, bait-and-switch, honeypot), and on-chain receiver verification. 70% of x402 endpoints are dead or scams; only half of "healthy" listings work. Free /verify + an open Trust Score. npx -y pulsefeed-x402-mcp63GoodAuth: no auth required

Verdict: choose MCP Tenant Isolation for security work as a local process; choose Pulsefeed X402 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

Pulsefeed X402 logoChoose Pulsefeed X402 when

  • You need dedicated capabilities in the Security domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like x402_working_services, check_x402_endpoint, pulsefeed_products.
Explore Pulsefeed X402

Feature & specification comparison

Rows where the two servers differ are marked.

SpecMCP Tenant Isolation logoMCP Tenant IsolationPulsefeed X402 logoPulsefeed X402
CategorySecuritySecurity
Quality signal57/100 · Good63/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars40
Directory activity 0 views 0 installs 0 upvotes 4 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.

Pulsefeed X402 tools 3

  • x402_working_servicesList x402 agent-payment services that are currently ALIVE and return a valid x402 challenge, ranked by trust score. About 85% of x402 endpoints are dead or invalid — use this to avoid paying broken or scam endpoints. Free.
  • check_x402_endpointBefore paying an unknown x402 endpoint, check whether it is live and returns a valid x402 payment challenge. Returns liveness, price, network and a pay/avoid verdict. For full uptime + reputation, use PulseFeed's paid /trust API.
  • pulsefeed_productsList PulseFeed's paid x402 products — real-time Base on-chain intelligence for AI agents: token pulse, whale alerts, smart-money accumulation/distribution, momentum, and the x402 trust oracle — and how to pay via x402.

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"
      ]
    }
  }
}

Pulsefeed X402

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "nikolife2016-pulsefeed-x402": {
      "command": "npx",
      "args": [
        "-y",
        "pulsefeed-x402-mcp"
      ]
    }
  }
}

Frequently asked questions

MCP Tenant Isolation is categorized under Security and uses a local stdio subprocess. Pulsefeed X402 belongs to Security and uses a local stdio subprocess. Pick MCP Tenant Isolation for security work and Pulsefeed X402 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. Pulsefeed X402 is listed as free. Auth: no auth required. 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 nikolife2016-pulsefeed-x402 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. Pulsefeed X402 has 63/100 (Good) with 4 views, 0 installs and 0 GitHub stars.