Cosmonic: Sandbox AI-Generated Code, MCP, and Functions
Verified publisherby Cosmonic Sandbox·cosmonic-sandbox.cosmonic-vscode
Sandbox for Claude Code, Claude Desktop, Codex, OpenCode, Hermes, and Kiro. Sandbox AI-written code securely: build MCP servers, functions, triggers, HTTP, NATS, Kafka, and more. Works with local AI models, Qwen, Gemma, DeepSeek, Mistral, GPT-OSS, and more, all with zero ambient authority.
VS Code Marketplaceas of 8 Sept 2026
Installs
2
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Rating
—
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Rank in Language Model Tools
#6
of 6
Latest v0.1.8 · 6 Sept 2026First published Sept 2026
Open VSXas of 8 Sept 2026
Not listed on Open VSX.
Tracked since 10 Jun 2026
The last 7 days are free. Start a trial and add this extension to your watchlist for full history, ranks and alerts. No ownership check: yours or a competitor’s.
Installs and downloads, last 7 daysFree. Daily levels as observed.
7d
Marketplace installs
Daily levels as recorded, not day-over-day gains. Marketplace install counts are restated downwards as well as upwards, so a difference between two days is not a count of new users.
Last 7 days free. Start a free trial for daily history since 10 Jun 2026 with release markers.
Search rank
Ranks for 6 keywords on both registries
Version history
No releases in the last 7 days, 1 total, 0 pre-release
Competitors
0 extensions moved past it since 10 Jun 2026
Reviews
No new reviews in the last 7 days, 0 across both registries