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HeyPCB MCP lets coding agents design, route, and export KiCad circuit boards

As of Oct 16, adding https://api.heypcb.ai/mcp to Claude Code, Codex, Cursor, or ChatGPT lets agents draw schematics, place parts, route boards, run checks, export KiCad projects, and design enclosures. In HeyPCB's demo, Claude Code laid out a 145-part 8x8 RGB display board, fixed a rotated LED that wouldn't route, and finished with zero DRC and ERC errors in KiCad.

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Open Multi-Agent 1.21.3 fixes a dangling-symlink sandbox escape in file_write (CVE-2026-108600)

In @open multi agent/core 1.5.0 through 1.21.2, an agent's file write could create files outside its working directory by writing through a dangling symlink; v1.21.3 (Oct 16) now resolves those links one path component at a time and rejects any that point outside the root. Upgrading needs no code changes, and every built in filesystem tool shares the fixed check…

OpenCode makes GLM 5.3 Flash and Reflection's Beam free for a limited time

OpenCode's model list now includes glm 5.3 flash free and beam free (select them as opencode/<id ), both priced at zero for input, output, and cached tokens with no end date announced; the paid GLM 5.3 Flash stays at $0.15/$0.50 per 1M tokens. The GLM provider keeps no data, while Beam Free retains prompts for 30 days for safety and is blocked in some countries, including China and Russia…

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