#advanced
Every post tagged "advanced".
23 posts · showing 1–10
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One Query Is Rarely Enough: Iterative Retrieval for Agents
The search wasn't broken — it answered the question as typed, which isn't the question that was asked. Making retrieval a tool the agent calls repeatedly needs one signal most retrievers refuse to give.
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Computer Use: When the Agent Drives a Whole Desktop
Clicking is easy; knowing what to click is a perception problem solved from a screenshot. The failures are modals, focus loss, and scroll state — and an agent that assumes its click landed compounds errors silently.
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Request, Worker, or Durable Execution? Hosting Models for Agents
Where a run lives decides how long it can be, whether it survives a deploy, and whether it can wait for a person. Pick by the longest wait it can hit — and keep state out of process memory so the answer can change.
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Red-Teaming Your Own Agent: A Practical Injection Suite
Trying a few "ignore your instructions" prompts tests the easiest attack against the strongest defense. A real suite is a matrix of carriers, payloads, and targets — asserting on actions taken, not words said.
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Shared Tool Access: When Two Agents Touch the Same Resource
An agent holds a stale read for seconds, not microseconds — long enough that last-write-wins silently deletes another agent's work while both report success. Partition, append, or version.
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State Machines for Agents in Regulated Flows
When doing steps out of order is a compliance failure regardless of outcome, a model-decided control flow is the wrong shape. Put the ordering in code, the conversation in the agent, and scope the tools per state.
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Multi-Tenancy for Agent Products: The Boundaries That Must Hold
Data, memory, context, and capacity — four boundaries, and two of them are agent-specific enough that no existing multi-tenancy checklist mentions them. Few-shot examples harvested from production are a leak.
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The Migration Agent: 4,000 Files and What Made It Tractable
The difference between a migration agent that saves weeks and one that produces four thousand unreviewable diffs is decided before it touches a file — and it starts with building the checker, not the agent.
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Data Exfiltration Paths You Forgot Your Agent Had
A URL fetch sends data in the request. A rendered markdown image leaks from the viewer's browser, bypassing every tool-level control. Enumerate the paths — several of them look like features.
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Testing Multi-Agent Systems Without Losing Your Mind
Add a second agent and end-to-end assertions stop telling you anything useful. Contracts at every seam, stubs for the supervisor's unhappy paths, and integration tests that assert on graph shape and cost.