io.github.glebo309/chemdraw-mcp

ChemDraw MCP

Is the ChemDraw MCP server down? Yes. It has given no valid answer since 2026-11-06: crashed on start.

Experimental native ChemDraw tools for Apple Silicon macOS. Requires your own ChemDraw licence.

crashed on start down since 2026-11-06 · probed 2026-11-15 · unchanged since 2026-11-08

MCP error -32000: Connection closed
/work/bundle/ChemDraw MCP.app/Contents/Resources/backend/chemdraw-runtime: 1: Syntax error: "(" unexpected

Bundle: https://github.com/glebo309/chemdraw-mcp-macos/releases/download/v0.10.0rc22/ChemDraw-MCP-Apple-Silicon.mcpb (MCPB, for a client that installs bundles; probed in a container with the network off)
Host: github.com
Repository: https://github.com/glebo309/chemdraw-mcp-macos
Website: https://github.com/glebo309/chemdraw-mcp-macos/releases/tag/v0.10.0rc22
Registry: active, updated 2026-11-05 · registry entry

More servers

Other registry entries on github.com, the ones next to this name; all of them.

io.github.genesiscode2026/genesis-agent-mcp · alive
Verdict — Compliance for AI-Generated Code io.github.getverdict-ai/verdict · crashed on start
Flow Learning System io.github.ghlee0786/flow-learning-system · crashed on start
KnowFirm io.github.gitdhillonai/knowfirm · alive
io.github.glslang/windbg-mcp · error
Elementor MCP Lite io.github.gmcfuerte/elementor-mcp-lite · crashed on start
GMC Builder MCP Lite io.github.gmcfuerte/gmcbuilder-mcp-lite · crashed on start
GMC YOOtheme MCP Lite io.github.gmcfuerte/yootheme-mcp-lite · crashed on start

Servers that mention chemdraw or experimental or requires.

ChemDraw MCP (unofficial) io.github.jurimaxam-dotcom/chemdraw-mcp · crashed on start
io.github.MALeitch/live-chemdraw-mcp · not probed
Affiliate Networks MCP ai.agenticaffiliate/affiliate-networks-mcp · needs auth
Bindry ai.bindry/bindry · needs auth
Organize with AI ai.organizewith/owai · needs auth
Dive Kit app.divekit/mcp · alive
Sayw app.sayw/sayw · needs auth
ApyHub Utility Tools (US) com.apyhub/mcp-server-us · needs auth

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

No valid answer since 2026-11-06, in every probe since then.
The process exited on start before it answered initialize. The error output is above.