MCP server signing and a trusted registry — what April 2026 set in
Anthropic and the MCP working group published a draft registry + signing spec in April 2026, with sigstore-style attestation and a curated trusted publisher list.
6 min read
Archive page 689 of 1230
AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
11,066 articlesArchive page 689
From the blog
Latest articles
SentinelOne Purple AI April 2026 update — natural-language hunting at
SentinelOne's Purple AI April 2026 release adds multi-tenant hunting and an MCP server for SOC tools, letting analysts query telemetry from any MCP-aware client.
6 min read
Curai vs CallSphere Healthcare for Asynchronous Patient Care 2026
Curai's text-first virtual care and CallSphere healthcare's voice-first stack overlap and diverge in 2026. Where each fits, what each costs, and which clinics should pick which.
9 min read
Brex AI Agents 2026: Spend, Reimbursement, Reporting in CFO Stack
Brex's AI agents are now embedded across the CFO stack in 2026 with deep workflow automation. We profile what's automated, the bundled pricing.
8 min read
Glass Health 2026: Clinical Reasoning Agents for Physicians
Glass Health's clinical reasoning agent quietly became a daily tool for 100,000+ US residents and attendings in 2026. Here's the workflow, the per-seat pricing.
9 min read
Speak AI Language Tutor 2026: Voice Agents for Language Learning
Speak's AI language tutor crossed 10M paying users in 2026 by going voice-native end-to-end. Here's the product, the freemium pricing model, the voice-first design.
11 min read
Ultimate.ai After Zendesk Acquisition: 2026 Roadmap and Customers
Ultimate.ai is now Zendesk's flagship AI agent layer for enterprise in 2026. We profile the post-acquisition product, the integrated pricing.
10 min read
Voice AI Concurrency at Scale: CallSphere vs Vapi 100+ Calls
How to scale a voice AI platform to 100+ concurrent calls. K8s HPA, OpenAI Realtime pooling, Twilio media streams. CallSphere vs Vapi capacity tradeoffs.
15 min read
Build a CallSphere-Style Multi-Agent for a Dental Practice
Dental practices miss 20–35% of business-hour calls. Build a 4-agent specialist setup (intake, scheduling, recall, billing) that books straight into Dentrix or OpenDental.
12 min read
Subscribe to our newsletter
Get notified when we publish new articles on AI voice agents, automation, and industry insights. No spam, unsubscribe anytime.
Ready to see AI voice agents in action?
Try our live demo -- no signup required. Talk to an AI voice agent right now.