Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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800, 888, 877, 866, 855, 844, 833 - toll-free is still the credibility move for AI receptionists handling national traffic. Here is how to provision, verify, and route an 800 to an AI brain in under an hour.
Learn how MCP resources differ from tools, how to define resource URIs and templates, expose read-only data to AI agents with proper content types, and implement pagination for large datasets.
A practical guide for founders building AI agent startups. Covers market sizing, competitive positioning, go-to-market strategies, technical architecture decisions, fundraising dynamics, and the common pitfalls that sink agent-first companies.
Learn three strategies for isolating tenant data in vector databases — namespaces, metadata filtering, and separate indexes — with tradeoffs for security, performance, and cost at scale.
Build passwordless authentication for AI agent platforms using magic links and WebAuthn passkeys. Covers the complete flow from email-based login to biometric authentication with FastAPI implementation.
Implement robust security for MCP servers with OAuth2 integration, API key validation, permission scopes, and token management to ensure AI agents only access tools they are authorized to use.
Build a structured red teaming methodology for AI agents with reusable attack vectors, automated test cases, scoring rubrics, and a repeatable testing framework you can integrate into your CI/CD pipeline.
Build a comprehensive test suite for MCP servers covering unit tests for tool logic, integration tests for protocol compliance, mock clients for end-to-end validation, and edge case coverage.
A full project walkthrough for building a production-grade customer support platform using multi-agent orchestration, tool integration, deployment pipelines, and real-time monitoring.
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