#AI efficiency low-hanging fruit: uploading a file via an MCP tool today pushes every byte through the model's context — tokens burned on a 500KB payload the model never reads. SEP-2631 fixes it: presigned uploads, bytes by reference. #BuildInPublic
SEP-2631: File Objects and Transfer by caseychow-oai · Pull Request #2631 · modelcontextprotocol/modelcontextprotocolSummary
This PR introduces SEP-2631 for first-class MCP file transfer. It builds on SEP-2356's x-mcp-file input declaration model, keeps file-valued inputs as URI strings, and adds out-of-band ...github.com