Errata
com.apidefects/errata
What is known to be broken in an MCP server or API operation, with the check that found it.
Description as published in the official MCP registry.
Answers the MCP handshake and lists its tools. Checked 2026-10-04.
What we measured
| Endpoint | https://apidefects.com/mcp | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (611 ms) | our check, 2026-10-04 |
| Protocol version | 2025-11-25 | our check, 2026-10-04 |
| Tools (1) | check_defects | tools/list, 2026-10-04 |
| Registry version | 0.1.0 · active · updated 2026-09-17 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows a real call went through, not just an opinion. How to file one.
Connect
claude mcp add --transport http errata https://apidefects.com/mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name com.apidefects/errata.