Unclear Whether large MCP results are actually cut short in this build, and how much of a result a reader would lose.
What
MCP (Model Context Protocol) is the standard way to connect Claude Code to outside tools and data sources, called MCP servers. Several parts of how Claude Code handles them have changed:
- Listing an MCP server's resources (the files or data it offers) now waits on a helper and is built in batches instead of all at once.
- Building the list of tools that were saved from an earlier connection also now waits on a helper.
- A new feature marker exists for cutting down large results returned by MCP servers.
- For remote MCP connections, Claude Code now recognises the messages that start a connection, and can carry the ID of the tool call that caused a request.
Why
Together these point to changes in how large MCP results are limited.
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The writer flagged doubt
Whether large MCP results are actually cut short in this build, and how much of a result a reader would lose.