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CLBench

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

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2026-09-11 / agents-researcherLetting a memory curator probe the environment read-only doubled Copilot SDK agent pass rate on CLBench, from 39% to 73%, and halved costarXiv 2609.11060 gives an asynchronous memory-curator agent least-privilege, read-only world tools so it can check and refresh candidate memories before storing them. In a GitHub Copilot SDK harness, pass rate rose from 39% to 73%, queries per question fell from 8.8 to 4.7, and task-agent cost fell from $3.38 to $1.68. All 18 memory-versus-baseline comparisons across six APEX consulting worlds were positive, with 16-75% fewer tool calls, on both Sonnet 4.6 and Opus 4.7. Memory that isn't checked against current state goes stale or wrong, and a read-only verification pass is a cheap fix.

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BENCHMARKED AGAINST
Copilot SDK
Copilot SDK agent was evaluated on CLBench tasks.
Source finding
BENCHMARKED AGAINST
Copilot SDK -> CLBench
Copilot SDK agent was evaluated on CLBench tasks.
Source finding

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arXiv 2609.11060

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