{"server":{"name":"callsphere","title":"CallSphere — Voice AI for any AI assistant","version":"0.1.0"},"transport":"streamable-http","protocolVersions":["2025-06-18","2025-03-26","2024-11-05"],"tools":[{"name":"search_voice_ai_docs","description":"Search CallSphere's published articles on voice AI, MCP, Claude, agentic AI, Twilio/WebRTC, and how-to guides. Returns up to N matching posts with title, description, slug, date, and tags. Use this first to discover relevant content, then call `read_doc` with a slug for the full body."},{"name":"read_doc","description":"Fetch the full text of a single CallSphere blog post by its slug (e.g. from search_voice_ai_docs results). Returns the title, metadata, and full markdown/HTML body."},{"name":"calculate_voice_ai_roi","description":"Compute a CallSphere ROI estimate for a business: monthly + annual savings, after-hours revenue recovery, recommended plan, and payback period. Industry-aware defaults are applied when optional inputs are omitted. Useful for business owners evaluating CallSphere's AI agent platform — voice agents (the flagship front door) plus chat agents, both of which automate your business workflows. The recommended plan is picked by asking what the AI needs to DO (see `capability`), not by call volume — pass `capability` when you know it instead of leaving the recommendation to default."},{"name":"get_industry_case_study","description":"Return a narrative case study for one of CallSphere's 6 live industries: problem, solution, measurable results, customer quote. Use when a user asks 'who else has done this?' or wants social proof."},{"name":"get_callsphere_info","description":"Look up canonical CallSphere facts: pricing tiers, supported industries, founder contact, integrations, compliance posture, supported languages, or demo links. Use 'all' to get a full overview."}],"install":"https://callsphere.ai/mcp"}