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How MCP changes agent tool access: a deep dive into scoped tool calls and human approval
AI & ML

How MCP changes agent tool access: a deep dive into scoped tool calls and human approval

MCP standardizes how AI applications discover and call external tools — but the real security control is not the protocol itself, it is the server-side tool catalogue and scope enforcement — so the deep dive must explain how human approval gates and per-tool scopes constrain destructive actions even when the model is prompt-injected.

28 min read
LLM Observability Stack Comparison: LangSmith vs. Langfuse vs. Arize Phoenix
AI & ML

LLM Observability Stack Comparison: LangSmith vs. Langfuse vs. Arize Phoenix

While LangSmith excels at end-to-end testing and evaluation loops with built-in LangChain integration, Langfuse offers superior trace-sampling controls for high-volume production logs, and Arize Phoenix leads in open-source extensibility for custom embedding-based clustering of trace failures.

20 min read

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