INDIVIDUAL MCP TOOL

calculate_churn_rate

Calculate net revenue retention (NRR), gross revenue retention (GRR), revenue churn and implied customer lifetime from one period's MRR movements.

churnlens.sitenone authenticationAvailability not checked

LIVE ENDPOINT

https://churnlens.site/api/mcp

No auth detected

Connect to this endpoint to inspect the live schema for calculate_churn_rate and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.churnlens-mcp]
url = "https://churnlens.site/api/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "churnlens-mcp": {
      "type": "http",
      "url": "https://churnlens.site/api/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: churnlens-mcp
Remote MCP URL: https://churnlens.site/api/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "churnlens-mcp": {
      "url": "https://churnlens.site/api/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "churnlens-mcp": {
      "type": "http",
      "url": "https://churnlens.site/api/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "churnlens-mcp",
  "transport": "streamable-http",
  "url": "https://churnlens.site/api/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

analyze_revenue_concentration — Assess customer concentration risk across a book of revenue using the Herfindahl-Hirschman Index (HHI), top-N share and whale detection.
detect_zombie_mrr — Identify dormant-but-paying accounts — revenue that still counts in MRR but whose customers have stopped showing up.
score_saas_health — Score a SaaS business 0-100 across five dimensions — retention, growth, concentration, efficiency and durability — and return the composite.
calculate_ltv — Calculate gross-margin-adjusted customer lifetime value, the LTV:CAC ratio and CAC payback in months.
get_scoring_bands — Return the scoring thresholds ChurnLens applies to NRR, revenue concentration and the composite health score.