Journal - Topic
AI agents
Entries on AI agents
· 19 min read
Jev vs Clef on 168 identical decisions: Jev 149/167, Clef 150/167, Clef at 3.8x the price and 2x the latency. Where they split, and where a $0 baseline won.
jevclefdecision modelscloudflare clef
· 22 min read
A decision model takes a state and a question and returns a probability, not text. How Jev and Clef differ from LLMs and classifiers, on 168 measured decisions.
decision modelsjevclefsystem one models
· 10 min read
Spacesheep vs Claude Artifacts: any model, any agent, real URLs, versions, block comments, profiles, live pages and privacy controls, plus where Artifacts wins.
SpacesheepClaudeMCPAI agents
· 11 min read
Claude Opus 5 (July 24, 2026) vs Fable 5: verified pricing, benchmarks, ZDR rules, and a routing guide for agentic workloads, plus where Opus 4.8 fits.
claude opus 5claude fable 5ai agentsmodel routing
· 10 min read
Design AI agent approval workflows without vendor lock-in: risk tiers (auto-approve, notify, block-and-ask) plus n8n and MCP implementation sketches.
AI agentsapproval workflowshuman in the loopn8n
· 9 min read
Three human-in-the-loop patterns for MCP servers: elicitation, sampling review, and out-of-band approval, plus an open-source server you can run today.
MCPAI agentshuman-in-the-loopping-a-human
· 8 min read
n8n vs Mastra compared by an agency that ships both: visual workflows vs a TypeScript agent framework, when each wins, and how to combine them.
n8nMastraAI agentsworkflow automation
· 6 min read
AI operator has two meanings: OpenAI's shut-down browser agent and a fast-growing job. What each is, why the product died, and why the role matters now.
AI operatorAI enablementOpenAI OperatorAI agents