MCP client for context7 failed to start: program not found

Resolved 💬 4 comments Opened Aug 29, 2025 by sfz009900 Closed Sep 8, 2025
💡 Likely answer: A maintainer (guidedways, contributor) responded on this thread — see the highlighted reply below.

What version of the VS Code extension are you using?

0.5.0

Which IDE are you using?

VS Code

What platform is your computer?

Windows X64

What steps can reproduce the bug?

C:\Users\xxxx\.codex\config.toml:

[mcp_servers.context7]
args = ["-y", "@upstash/context7-mcp", "--api-key", "xxxxxxxxxxxxxxxxxxx"]
command = "npx"

But Codex is like"MCP client for context7 failed to start: program not found"

What is the expected behavior?

_No response_

What do you see instead?

_No response_

Additional information

_No response_

View original on GitHub ↗

4 Comments

sfz009900 · 12 months ago

Not only does the context7 MCP fail to work, but all MCPS are also unavailable. This is a very serious issue. Please fix it as soon as possible :)

guidedways contributor · 12 months ago

mcp working fine here - potentially an issue with npx? I'm on 0.27.0 (worked on all prior versions).

sfz009900 · 12 months ago

Yo @guidedways, you the Windows version of VS Code?

dheerajawale-svg · 11 months ago

when will this be fixed? It still occurs in yesterday's v.0.30