Fix MCP tool name parsing: use newline delimiter instead of colon#48636
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Fix MCP tool name parsing: use newline delimiter instead of colon#48636
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MCP tool names can contain colons (e.g. mcp:server:tool), which broke the splitn(3, ':') parsing of always_allow/always_deny pattern option IDs. Switch to newline as the delimiter between tool name and pattern, since newlines cannot appear in either.
naaiyy
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Feb 16, 2026
Key changes: - LSP folding ranges support (zed-industries#48611) - textDocument/foldingRange with custom fold text - LSP refactoring (zed-industries#48604) - extracted document_colors, code_lens, folding_ranges into modules - Crate graph restructuring (zed-industries#48602) - terminal moved closer to editor - Side-by-side diff searching (zed-industries#48539) and OpenExcerpts for LHS (zed-industries#48438) - SplittableEditor: sync custom blocks between RHS/LHS (zed-industries#48575) - Thinking effort for Zed/OpenAI providers (zed-industries#48545, zed-industries#48605) - Agent default_model.enable_thinking setting (zed-industries#48536) - Configurable LSP timeout setting (zed-industries#44745) - PaneSearchBarCallbacks global (search bar setup extracted from vim) - Settings migrations for nested platform/channel/profile keys (zed-industries#48550) - Shell parser: I/O redirects, here-documents, compound commands (zed-industries#48635) - Hardened tool authorization: sensitive settings, deferred ops (zed-industries#48641) - rm security bypass fixes (zed-industries#48640, zed-industries#48647) - MCP tool name parsing fix: newline delimiter (zed-industries#48636) - Canonicalize --user-data-dir path (zed-industries#48470) - Fix text_threads_dir XDG spec compliance (zed-industries#45771) - Buffer font for folds (zed-industries#48652) - Multibuffer toolbar layout shift fix (zed-industries#48472) - Editor: tabs bitmask syncing (zed-industries#48366) Conflict resolution: - collab tests: deleted (collab removed) - util/archive.rs, util/shell.rs: deleted (extracted to Obsydian) - copilot_ui/sign_in.rs: kept native_button style - editor_tests.rs: merged imports (kept MoveItemToPaneInDirection, added ViewId/FollowEvent) - lsp_store.rs: took upstream refactored imports, added FoldingRangeData, removed collab imports - main.rs: added PaneSearchBarCallbacks, removed vim::init Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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MCP tool names can contain colons (e.g.
mcp:server:tool), which broke thesplitn(3, ':')parsing of always-allow/always-deny pattern option IDs. This switches to newline (\n) as the delimiter between tool name and pattern, since newlines cannot appear in either component.Changes
always_allow_pattern:{tool}:{pattern}toalways_allow_pattern:{tool}\n{pattern}splitn(3, ':')withstrip_prefix+split_once('\n')log::error!when pattern parsing fails (previously silent)agentandagent_uicratesNo release notes because granular tool permissions are still feature-flagged.
Release Notes: