{"version":"2.1.309","anchor":"new-mcptelemetry-names-added","canonical_anchor":"new-mcptelemetry-names-added","heading":"New internal names, and some MCP servers now filtered out","tier":"internal","area":"Internals","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.309\/e\/new-mcptelemetry-names-added","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.309","markdown":"### New internal names, and some MCP servers now filtered out\n\nClaude Code adds several new internal names, and a filter now leaves out some MCP servers it used to keep\n\n**Unclear.** Which MCP servers the filter now leaves out is not identified.\n\n**What**\n\nClaude Code adds several new names to its internal lists, among them `cron_fire_texts`, `ccs_mods_dont_run_here`, `artifact_mcp_swap`, `api_reconnect` and `transcript_waiting_messages`. Separately, a filter over MCP servers (outside programs that give Claude Code extra tools) now also leaves out some servers.\n\n**Why**\n\nSome MCP servers may not show up where they did before.\n\n- Area: Internals\n- Tier: Under the hood\n- Useful: 2\/5\n- Signal: 4\/5\n- Scope: individual\n- Heads-up: no"}