Tuesday, October 27, 2026i10X News · Section desk11 stories
Studies
Agent Research
Research on autonomous agents, tool use and multi-agent systems
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Realistic MCP Faults Halve Agent Quality, and a Bigger Model Doesn’t Help
Injecting MCP tool failures mined from 1,774 server repos cut agents’ task-completion score by 60%. gpt-oss-120B was no more resilient than gpt-oss-20B; the agent framework mattered more.
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Editor's picks
- Realistic MCP Faults Halve Agent Quality, and a Bigger Model Doesn’t Help
- Stale CLAUDE.md and AGENTS.md Files Override the Code, and One Sentence Fixes It
- Coding Agents Can Be Tricked Into Running Attacker Commands After Compacting Context
- Even Top Agents Finish Only ~30% of Real Startup Product Workflows
- No Single Agent Memory Architecture Wins Everywhere, Systems Study Finds
More stories
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LLMs Can Build Their Own Agent Harnesses — But Still Trail Human Ones on Code
HarnessDev: six creator models build execution infrastructure from a seed. Generated harnesses match or beat references on writing and ML experiments, but lag on code and…
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Coding Agents Fix More Bugs When Shown Whole Files, Study Finds
A UIUC study of 300 real GitHub issues finds coding agents resolve more bugs when shown a few whole, verbatim files than with prompt compressors or…
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