#tool-use

Radar · 2026-06-01

Search should not be a button. It should be programmable infrastructure for agents

Perplexity describes Search as Code: an architecture where an agent does not call one monolithic search engine, but assembles a retrieval pipeline as code. The point is not a nicer search API. It is control over how evidence is found, filtered and verified.

Radar · 2026-05-21

MagenticLite combines small models, orchestration and local file access into one workflow without a frontier model

Microsoft Research describes MagenticLite, MagenticBrain and Fara1.5 as an agentic system optimized for small models that connects browser and local file system in a single workflow. The direction is practical: not one expensive model for everything, but orchestration of specialized components.

Radar · 2026-05-11

CodexBar unifies limit tracking for 29 AI coding tools in one icon

CodexBar is an open-source macOS menu-bar app that unifies limit tracking, credits, reset windows, and incident status across 29 AI coding providers including Codex, Claude, Cursor, Gemini, Copilot and OpenRouter.

Glossary

Agents — when an LLM gets hands and memory

An LLM with tool use, a loop, and memory. Lots of marketing, few definitions. Here's the plain version.

Glossary

Agent safety and sandboxing

An agent with tools is a tiny machine for consequences. Sandboxes, approvals, least privilege and audit logs are not enterprise decoration; they are brakes before the fire.

Glossary

Computer-use agents — the model that clicks

A computer-use agent sees the screen and controls the UI. It sounds like sci-fi; in practice it is fragile automation over pixels, forms and badly labelled buttons.

Glossary

Koog and Kotlin AI agents — what it is and what it is for

Koog is JetBrains’ framework for building AI agents in Kotlin and Java. It focuses on practical architecture: strategies, tools, memory, tracing, long context and JVM production integration.

Glossary

Tool use — when a model calls tools

Tool use is the moment an LLM stops merely answering and starts calling APIs, running commands, reading files or touching databases. Useful, sharp and dangerous.