Callsphere MCP Server

A public, read-only Model Context Protocol server giving any AI assistant — Claude, Claude Desktop, Cursor, Cline, Continue, Windsurf, Zed, or ChatGPT via JSON-RPC — direct access to CallSphere's…

Remote server

What is the Callsphere MCP Server?

Callsphere is an MCP project maintained in the callsphere-llc/mcp-server repository. The maintainer describes its purpose as “A public, read-only Model Context Protocol server giving any AI assistant — Claude, Claude Desktop, Cursor, Cline, Continue, Windsurf, Zed, or ChatGPT via JSON-RPC —…”. Read the project documentation for the complete scope.

Hosted connection

The maintainer’s configuration uses https://callsphere.ai/api/mcp. Check the project’s account and authentication instructions when adding the endpoint to your client.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
search_voice_ai_docsFull-text search across 500+ articles on voice AI, MCP, Claude, agentic AI, Twilio/WebRTC, and how-to guides.
read_docFetch the full markdown body of a single CallSphere blog post by slug.
calculate_voice_ai_roiIndustry-aware ROI math: monthly savings, payback period, recommended plan tier. Returns assumptions so the AI can show its work.
get_industry_case_studyNarrative case study for one of 6 verticals (dental, healthcare, HVAC, real estate, salon, law).
get_callsphere_infoCanonical lookup: pricing tiers, integrations, compliance posture, supported languages, founder contact.

How to install the Callsphere MCP Server

{
  "mcpServers": {
    "callsphere": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://callsphere.ai/api/mcp"
      ]
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.