Buildkite MCP Server adds skill guides and more efficient log search

The Buildkite MCP Server can now discover and load on-demand usage guides, and log searching is more efficient and reliable. Discoverable skill guides for agents Agents can now discover and load usage guides on demand, instead of relying solely on tool descriptions or the server’s static instructions. Guides can be searched by keyword and loaded in full when needed, making it easier for an agent to find the right guidance for the task at hand.