7 people reported
All time, since Sep 25, including 6 thumbs-up on GitHub.
MCP tools/list rejected, zero tools
“The problem persists indefinitely — no retry ever recovers it.”
Is this your bug? What gets counted gets fixed. Pile on.
Paste this into your agent. It files your report, with your error and version.
I hit this bug: rapsheet.dev/sheets/claude-code/issues/1479/file Follow it to file my report. Show me the text before you send.
No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends
MCP server connects but reports zero tools after tools/list validation. Stdio MCP server shows status connected with tool_count 0 across new sessions, restarts and reboot; logs show tools/list failing client-side schema validation.
Is this your bug?
File my report- Where
- MCP client
- Versions
- 1.0.0
- Platforms
- Windows
- How bad
- Breaks a normal workflow.
Not quite your bug?
- Stdio MCP tools/list times out3 people
- HTTP MCP server never reconnects3 people
Original reports1, newest first
- MCP client rejects valid tools/list response due to strict validation of ttlMs/cacheScope fields (Roblox Studio MCP server)#97319