Rank, 14 days: 81 on the Claude Code sheet
2 people reported
All time, since Nov 3.
MCP tools fetch fails
“The client may be treating this response as an error rather than a result (content-type or schema handling).”
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/25457/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
Valid tools/list result rejected as POST error on remote MCP. Server connects and authenticates, then /mcp shows "tools fetch failed · connected" and no tools register, though the error body is a well-formed JSON-RPC result.
Is this your bug?
File my report- Where
- MCP servers
- Error text
Error POSTing to endpoint:- Versions
- 2.1.318 to 2.1.319
- Platforms
- macOS
- How bad
- Breaks a normal workflow.