Vibe CodingPencil.dev Free Design Canvas with MCP Integration for Claude CodePencil.dev·high signalXBlueskyLinkedInCopy linkLocal-first infinite design canvas connecting to Claude Code via MCP. Design visually, get production code. Free, saves as .pen files in git.SourceSource pagePencil.dev↳ Follow the threadShared entity / Stack layerClaude Code 2.1.269 Ships a Plugin Eval Runner and a Knob to Raise the Workflow Tool's Concurrent Agent Cap to 256Anthropic (claude-code CHANGELOG)Shared entity / Stack layerCline Ships a Desktop App for Open-Weight Models and Sells Ten of Them From Six Labs for $9.99 FlatCline (corroborated by the Product Hunt leaderboard for 2026-09-11, the GitHub API and newreleases.io for desktop-v0.0.25)Shared entity / Stack layerResearchers Say Coding-Agent Sandboxes Leak in Claude Code, Codex and Cursor, and Anthropic Took 50 Days to PatchUpstarts MediaShared entity / Stack layerECC 2.2.1 packages a full agent harness discipline as 68 subagents and 292 skillsGitHubShared entity / Stack layerAnthropic's September threat report documents autonomous agent swarms, 13 unsupervised collection agents, and a developer token escalated to full admin in three hoursAnthropicShared entity / Stack layerClaude Code 2.1.268 syncs gateway pricing to clients, caps hung WebFetch at 300 seconds, and adds --json to plugin commandsClaude Code changelog (v2.1.268, Sep 10 2026)Shared entity / Stack layerArize Phoenix ships Claude Code, Codex and Cursor plugins plus an MCP skills root in two releases a day apartGitHubShared entity / Stack layerKilo Code 7.6.0 imports your Claude Code instructions and skills, and its agent now pushes PR fixes itselfGitHub