SMB Founder Playbook: Zep 2.0 — Temporal Knowledge Graphs for Agent Memory
SMB Founder Playbook perspective on Zep 2.0's Graphiti engine adds temporal knowledge graphs to agent memory — the right data structure for fact updates over time.
9 min read
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AI Voice Agent Insights & Guides
Browse older CallSphere articles on AI voice agents, contact center automation, and conversational AI.
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Legal Intake Voice AI for Family Law Firms in Florida 2026
Florida family law firms deployed legal intake voice AI in April 2026 for divorce, custody, and adoption matters. Trauma-informed scripting, compliance, and conversion lift.
9 min read
Plaid + AI Agents 2026: Financial Data Pipes for Agent Stacks
Plaid's AI-agent endpoints shipped in 2026, letting agents access bank, investment, and lending data with user consent. Here's the playbook, the developer pricing.
10 min read
SMB Founder Playbook: Retell AI Knowledge Base — RAG Goes Native in Voice
SMB Founder Playbook perspective on Retell shipped first-class knowledge bases for voice agents, removing one of the last reasons to roll your own RAG layer.
9 min read
Build a Chat Agent with LangChain.js + Ollama (Local, 2026)
LangChain v1 + LangGraph v1 in JS, paired with Ollama, gives you a fully local chat agent with tools, memory, and structured output. No OpenAI key required.
10 min read
TR CoCounsel 2026: Casetext Acquisition Three Years In
TR's CoCounsel platform now serves 4,000+ firms in 2026 after the Casetext deal. We profile the platform, the pricing tiers, the integration with Westlaw.
8 min read
Sierra (Bret Taylor) Series C — what closed in April 2026
Sierra raised a Series C at a reported $4.5B valuation on April 21, 2026, led by Greenoaks with Sequoia and Benchmark following — a 3x markup in eight months.
6 min read
Sydney Engineering Teams Embrace MCP 1.0
A practical engineering deep dive into MCP Sydney, covering architecture, tradeoffs, and what production teams need to know about Australian AI.
10 min read
Tool Use Reliability in Claude Sonnet 4.6: What Improved
A practical engineering deep dive into Claude Sonnet 4.6 tool use, covering architecture, tradeoffs, and what production teams need to know about function calling reliability.
6 min read
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