A connector used to be text in, text out. Now it can draw. An MCP App is an MCP server that ships its own interface, and Claude renders it inline in the conversation.
Sat Aug 22 2026 · 5 min read · 6 views
The advice you have read about MCP context cost is out of date. The old rule was simple. Every tool you connect gets injected up front, so a big connector spends a chunk of the window before you type
Sat Aug 22 2026 · 6 min read · 2 views
Most guides to the Claude Connectors Directory explain how to submit. This one covers what fails. The triggers are published, exact, and easy to hit by accident. The most common one is a design choice
Sat Aug 22 2026 · 6 min read · 2 views
Claude shows one error for a lot of different problems: Couldn't reach the MCP server. Your server is up. You can curl it. MCP Inspector connects. Claude still refuses.
Sat Aug 22 2026 · 6 min read · 0 views
Your remote MCP server works in curl. It works in MCP Inspector. Then you add it to Claude as a custom connector and get this:
Sat Aug 22 2026 · 5 min read · 3 views
Set temperature=0.7 on Claude Opus 5 and the request fails. The API returns a 400 error, not a warning and not a silently ignored parameter. The same happens with topp, topk, and with the manual
Fri Aug 21 2026 · 6 min read · 5 views