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GitHub Copilot HydraFusion adds Max option, refreshed model pool, and smarter Cascade/Critique

HydraFusion’s research preview now draws from Claude Opus 5.5, GPT-6 Astra, GPT-6.1 Sol, and GPT-6 Luna, tailors reasoning effort per stage, and upgrades Cascade with a judge/repair step and Critique with parallel tool-using critics. New HydraFusion Max targets harder tasks; both options stay in preview on Copilot Pro through Enterprise in VS Code, the Copilot app, and CLI.

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Graphicle ships a local Rust code graph and memory MCP for Claude Code, Cursor, and Codex

Show HN launch: Graphicle indexes a repo into a tree sitter code graph plus docs, decisions, and past agent sessions in one local SQLite store, then returns cited file/line excerpts over a single MCP server with no API key or telemetry. Install with brew install graphicle ai/tap/graphicle and run graphicle setup to wire Claude Code, Codex, Cursor, and other MCP clients…

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