{"version":"2.1.309","anchor":"file-reference-uploads-host-fill-and-container-host-read-pa","canonical_anchor":"file-reference-uploads-host-fill-and-container-host-read-pa","heading":"New ways to read files for connector uploads in remote and container sessions","tier":"internal","area":"Connectors","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.309\/e\/file-reference-uploads-host-fill-and-container-host-read-pa","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.309","markdown":"### New ways to read files for connector uploads in remote and container sessions\n\nUploading a referenced file to a connector can now have the host machine read the file, after checks on where the file lives\n\n**Unclear.** It is not clear which sessions have the host machine read files for them.\n\n**What**\n\nWhen Claude refers to a file it wants to send to a connector (an outside service linked to Claude), Claude Code checks the reference before it reads the file. Before, there was a single way to read it from the local disk. There are now several:\n\n- The host machine can read the file for the session. It first checks that the file is not outside the allowed folders and is not a credential or one of Claude Code's own files.\n\n- A remote session with no disk of its own reads files through the machine hosting the session.\n\n- A connector reference is dropped if the session no longer holds that connector's entry.\n\n- Outside remote mode, Claude Code looks up the connector's entry directly. It also returns entries marked as refusing file references, because they conflict or were never declared.\n\n- In remote mode, Claude Code can read file details from a store kept on the host.\n\nA container session can also have a file reference refused.\n\n**Why**\n\nThis changes how files are uploaded to connectors and to Claude in Chrome when Claude Code runs in a remote session or a container (an isolated environment that runs separately from your own computer).\n\n- Area: Connectors\n- Tier: Under the hood\n- Useful: 2\/5\n- Signal: 3\/5\n- Scope: individual\n- Heads-up: no"}