{"version":"2.1.295","anchor":"mcp-tool-results-truncated-on-subagent-copies-and-destructi","canonical_anchor":"mcp-tool-results-truncated-on-subagent-copies-and-destructi","heading":"Stored copies of long MCP tool results are trimmed, with a note","tier":"notice","area":"MCP","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.295\/e\/mcp-tool-results-truncated-on-subagent-copies-and-destructi","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.295","markdown":"### Stored copies of long MCP tool results are trimmed, with a note\n\nClaude Code now trims stored copies of cut-off MCP tool results and records when a rule allows a destructive MCP call in auto mode\n\n**What**\n\nTwo changes involve MCP tools, which are tools from outside programs connected to Claude Code:\n\n- When an MCP tool result has already been cut short, the copy Claude Code stores is trimmed again. It ends with a note giving how many more characters there were and saying they are \"not kept on this copy of the result\".\n\n- When a permission rule allows a call in auto mode, Claude Code records usage data with where the rule came from and how the server was classified.\n\n**Why**\n\nThe recorded data shows how MCP allow rules interact with auto mode.\n\n- Area: MCP\n- Tier: You'll notice\n- Useful: 2\/5\n- Signal: 1\/5\n- Scope: individual\n- Heads-up: no"}