1. Streamable HTTP Connection & Discovery Manifests
Any MCP-compatible host (Claude Desktop, Cursor, Windsurf, OpenAI Agents SDK, or custom MCP clients) can connect directly to the public read-only Streamable HTTP endpoint at https://www.callcatcher.org/mcp without API keys or OAuth tokens.
{
"mcpServers": {
"callcatcher": {
"type": "streamable-http",
"url": "https://www.callcatcher.org/mcp"
}
}
}- Streamable HTTP Endpoint:
https://www.callcatcher.org/mcp(JSON-RPC 2.0POST) - MCP Server Card: /mcp/server-card and /.well-known/mcp/server-card.json
- AI Catalog: /.well-known/ai-catalog.json
- MCP Registry Manifest: /server.json
- REST OpenAPI 3.1 Contract: /openapi.json and CallCatcher API Documentation
2. Read-Only MCP Tools Exposed
| MCP Tool Name | Description | Arguments |
|---|---|---|
callcatcher_calculate_roi |
Computes monthly and annual missed-call revenue recovery net of the selected plan ($99, $199, or $349/mo). | calls, ticket, missed_pct, plan |
callcatcher_list_plans |
Returns flat-rate subscription tiers, caught-call quotas, CRM integrations, and $0 spam-filtering rules. | Optional plan (starter, growth, pro) |
callcatcher_get_carrier_codes |
Returns conditional and unconditional PSTN/VoIP call-forwarding star codes by carrier. | Optional carrier (verizon, att, tmobile, comcast, spectrum, ringcentral) |
3. Published MCP Resources
- Server Card Resource:
mcp://server-card.json(application/mcp-server-card+json) - Machine-Readable Pricing:
https://www.callcatcher.org/pricing.md(text/markdown) - Agent Site Guide:
https://www.callcatcher.org/llms.txt(text/plain)