{"version":"2.1.318","anchor":"machines-prompt-describes-repl-callable-tool","canonical_anchor":"machines-prompt-describes-repl-callable-tool","heading":"Claude is told it can reach attached machines from inside the REPL","tier":"internal","area":"REPL Mode","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.318\/e\/machines-prompt-describes-repl-callable-tool","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.318","markdown":"### Claude is told it can reach attached machines from inside the REPL\n\nIn some multi-machine sessions, Claude's instructions now say the machines tool can be called inside the REPL\n\n**Unclear.** When these instructions apply is not known.\n\n**What**\n\nWhen other machines are attached to a session, Claude gets instructions on how to use them. In some cases these now say the tool for running commands on a machine can be called from inside the REPL, an interactive area where Claude runs code, and that workers can act on a named machine either there or as tools. Before, the instructions said not to call it there.\n\n**Why**\n\nThis changes how Claude may choose to reach attached machines.\n\n- Area: REPL Mode\n- Tier: Under the hood\n- Useful: 2\/5\n- Signal: 4\/5\n- Scope: individual\n- Heads-up: no"}