Scope

• Base ref: origin/main
• Source ref: opencode/dev
• Theme id: opencode-tools
• Commits mapped: 68
• Date span: 2026-01-20 to 2026-02-13

Theme Summary

Tool execution model, skill integration, and MCP interactions.

Mapping Rule

Commits are assigned to one issue by dominant touched-path prefix (most matched files in commit; ties resolved by longest prefix then fixed theme order).

Top Path Hotspots

• packages/opencode/src/plugin/codex.ts (9)
• packages/opencode/src/skill/skill.ts (8)
• packages/opencode/src/plugin/index.ts (8)
• packages/opencode/src/acp/agent.ts (7)
• packages/opencode/src/plugin/copilot.ts (6)
• packages/opencode/src/tool/task.ts (6)
• packages/opencode/src/tool/apply_patch.ts (5)
• packages/opencode/src/tool/registry.ts (5)
• packages/opencode/src/tool/read.ts (5)
• packages/opencode/src/mcp/index.ts (4)

Commits

• 733226de chore: generate
• 74bd52e8 fix: ensure apply patch tool emits edited events
• 8f62d4a5 fix(mcp): register OAuth callback before opening browser (fix(mcp): register OAuth callback before opening browser anomalyco/opencode#9646)
• e8b0a65c feat: Support ACP audience by mapping to ignore and synthetic (feat: Support ACP audience by mapping to ignore and synthetic anomalyco/opencode#9593)
• 19fe3e26 mark subagent sessions as agent initiated to ensure they dont count against quota (got the ok from copilot team)
• 2049af4d chore: generate
• 301e74d9 fix: Persist loaded model and mode on ACP session load (fix: Persist loaded model and mode on ACP session load anomalyco/opencode#9829)
• ab3d412a tweak: adjust skill tool description to make it more clear which skills are available
• c89f6e7a add chat.headers hook, adjust codex and copilot plugins to use it
• d9f0287d tweak: add back todo list tools for openai models
• 3b7c347b tweak: bash tool, ensure cat will trigger external_directory perm
• 3eaf6f3b fix(ui): show file path in apply_patch request permission screen (fix(ui): show file path in apply_patch request permission screen anomalyco/opencode#10079)
• e4286ae7 fix(codex): write refresh tokens to openai auth ([BUG] OpenAI OAuth token refresh incorrectly writes tokens under 'codex' auth key (#10011) anomalyco/opencode#10010) (fix(codex): write refresh tokens to openai auth (#10010) anomalyco/opencode#10011)
• fc0210c2 fix(acp): rename setSessionModel to unstable_setSessionModel (fix(acp): rename setSessionModel to unstable_setSessionModel anomalyco/opencode#9940)
• 29cebd73 feat(mcp log): print mcp stderr to opencode log file (feat(mcp log): print mcp stderr to opencode log file anomalyco/opencode#9982)
• 1d09343f fix: allow gpt-5.1-codex model in codex auth pluginFixes (fix: allow gpt-5.1-codex model in codex auth pluginFixes anomalyco/opencode#10181)
• 4173adf5 feat(tasks): Add model info as part of metadata (feat(tasks): Add model info as part of metadata anomalyco/opencode#10307)
• b978ca11 fix: retry webfetch with simple UA on 403 (fix: retry webfetch with simple UA on 403 anomalyco/opencode#10328)
• e2d8310b chore: generate
• f4cf3f49 fix(web): construct apply_patch metadata before requesting permission (fix(web): construct apply_patch metadata before requesting permission anomalyco/opencode#10422)
• 021d9d10 fix(app): reactive file tree
• 45b09c14 tweak: when using messages api for copilot, attach anthropic beta headers
• a8c18dba fix(core): expose Instance.directory to custom tools
• 1f931384 feat(core): add worktree to plugin tool context
• 898118ba feat: support headless authentication for chatgpt/codex (feat: support headless authentication for chatgpt/codex anomalyco/opencode#10890)
• 026b3cc8 bump plugin version
• 4d2696e0 tweak: add ctx.abort to grep tool
• 5a0b3ee6 fix: ensure copilot plugin properly sets headers for new messages api
• 63f5669e fix(opencode): ensure unsub(PartUpdated) is always called in TaskTool (fix(opencode): ensure unsub(PartUpdated) is always called in TaskTool anomalyco/opencode#9992)
• 8798a77a bump: plugins
• 92eb9828 fix: undo change that used anthropic messages endpoint for anthropic models on copilot due to ratelimiting issues, go back to completions endpoint instead
• 9a8da20a chore: generate
• 45ec3105 feat: support config skill registration (feat: support config skill registration anomalyco/opencode#9640)
• 75166a19 fix: use ?? to prevent args being undefined for mcp server in some cases (fix: use ?? to prevent args being undefined for mcp server in some cases anomalyco/opencode#11203)
• e5b33f8a fix(opencode): add AbortSignal support to Ripgrep.files() and GlobTool (fix(opencode): add AbortSignal support to Ripgrep.files() and GlobTool anomalyco/opencode#10833)
• fdd484d2 feat: expose acp thinking variants (feat: expose acp thinking variants anomalyco/opencode#9064)
• 612b656d fix: adjust resolve parts so that when messages with multiple @ references occur, the tool calls are properly ordered
• c0e71c42 fix: don't --follow by default for grep and other things using ripgrep (fix: don't --follow by default for grep and other things using ripgrep anomalyco/opencode#11415)
• e7ff7143 fix: handle redirected_statement treesitter node in bash permissions (fix: handle redirected_statement treesitter node in bash permissions anomalyco/opencode#6737)
• 81ac41e0 feat: make skills invokable as slash commands in the TUI (feat: make skills invokable as slash commands in the TUI anomalyco/opencode#11390)
• 83d0e48e tui: fix task status to show current tool state from message store
• aa6b552c Revert pr that was mistakenly merged (Revert pr that was mistakenly merged anomalyco/opencode#11844)
• 17e62b05 feat: add support for reading skills from .agents/skills directories (feat: add support for reading skills from .agents/skills directories anomalyco/opencode#11842)
• 39753296 feat: improve skills, better prompting, fix permission asks after invoking skills, ensure agent knows where scripts/resources are (feat: improve skills, better prompting, fix permission asks after invoking skills, ensure agent knows where scripts/resources are anomalyco/opencode#11737)
• 93e06027 fix: prevent memory leaks from AbortController closures (fix: prevent memory leaks from AbortController closures anomalyco/opencode#12024)
• a68fedd4 chore: adjust way skill dirs are whitelisted (chore: adjust way skill dirs are whitelisted anomalyco/opencode#12026)
• 556adad6 fix: wait for dependencies before loading custom tools and plugins (fix: wait for dependencies before loading custom tools and plugins anomalyco/opencode#12227)
• 09a0e921 fix(plugin): user plugins override built-in plugins for same provider (fix(plugin): user plugins override built-in plugins for same provider anomalyco/opencode#12361)
• 1824db13 tweak: load user plugins after builtin (tweak: load user plugins after builtin anomalyco/opencode#12373)
• 36637b3b chore: rm hardcoded conditional that was used for testing (chore: rm hardcoded conditional that was used for testing anomalyco/opencode#12371)
• 47f00d23 enable 5.3 codex
• 64e2bf8b tweak: adjust task tool description/input to alleviate tool call failures that sometimes occured w/ gpt models (tweak: adjust task tool description/input to alleviate tool call failures that sometimes occured w/ gpt models anomalyco/opencode#12214)
• 9ff423be senior engineer senior engineering
• b5511958 tweak: move codex 5.3 model definition to the plugin so that models.dev doesnt have to show unsupported model for others (tweak: move codex 5.3 model definition to the plugin so that models.dev doesnt have to show unsupported model for others anomalyco/opencode#12344)
• fba5a79c fix: ensure that github copilot plugin properly sets headers when used in other clients than tui (fix: ensure that github copilot plugin properly sets headers when used in other clients than tui anomalyco/opencode#12316)
• 266de27a feat(skill): add skill discovery from URLs via well-known RFC
• 9497cfdf fix(app): don't rely on metadata.summary in task tool render (fix(app): don't rely on metadata.summary in task tool render anomalyco/opencode#12497)
• c35bd398 tui: parallelize skill downloads for faster loading
• 53298145 fix: add directory parameter to plugin client for multi-project support (fix: add directory parameter to plugin client for multi-project support anomalyco/opencode#11344)
• 56b340b5 fix(opencode): ACP File write should create the file if it doesn't exist (fix(opencode): ACP File write should create the file if it doesn't exist anomalyco/opencode#12854)
• d9b4535d chore: generate
• 006d673e tweak: make read tool offset 1 indexed instead of 0 to avoid confusion that could be caused by line #s being 1 based (tweak: make read tool offset 1 indexed instead of 0 to avoid confusion that could be caused by line #s being 1 based anomalyco/opencode#13198)
• 3befd0c6 tweak: use promise all for mcp listTools calls (tweak: use promise all for mcp listTools calls anomalyco/opencode#13229)
• 6b4d617d feat: adjust read tool so that it can handle dirs too (feat: adjust read tool so that it can handle dirs too anomalyco/opencode#13090)
• 624dd94b tweak: tool outputs to be more llm friendly (tweak: tool outputs to be more llm friendly anomalyco/opencode#13269)
• ba54cee5 feat(tool): return image attachments from webfetch (feat(tool): return image attachments from webfetch anomalyco/opencode#13331)
• e6e9c15d improve codex model list
• 1608565c feat(hook): add tool.definition hook for plugins to modify tool description and parameters (feat(hook): add tool.definition hook for plugins to modify tool description and parameters anomalyco/opencode#4956)

Acceptance Checklist

• Validate each commit intent is represented in this theme
• Define parity implementation tasks for Zee based on these commits
• Mark commits that are not applicable to Zee