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feat: add remove_issue_reaction, remove_issue_comment_reaction and remove_pull_request_review_comment_reaction tools to the granular issues and pull requests toolsets - #3285
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Add granular tools for removing reactions from issues, issue comments, and pull request review comments, with destructive annotations, tests, snapshots, and generated documentation. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 9acf9c83-49aa-41af-a42d-ad75de34d132
timrogers
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remove_issue_reaction, remove_issue_comment_reaction and remove_pull_request_review_comment_reaction tools to the granular issues and pull requests toolsets
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Copilot review overview
🟡 Changes recommended
All three handlers leak response bodies when GitHub returns API errors.
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Review tier: Balanced
Findings: 2
Open (2)
What changed in this PR
Adds granular MCP tools to remove reactions from issues, comments, and pull request review comments.
Changes:
- Registers three destructive reaction-removal tools.
- Adds DELETE handlers, tests, and schema snapshots.
- Updates generated feature-flag documentation.
| File | Description |
|---|---|
pkg/github/tools.go |
Registers the new tools. |
pkg/github/issues_granular.go |
Implements issue and comment removal. |
pkg/github/pullrequests_granular.go |
Implements review-comment removal. |
pkg/github/helper_test.go |
Adds mock DELETE endpoints. |
pkg/github/granular_tools_test.go |
Tests registration and handlers. |
pkg/github/__toolsnaps__/remove_issue_reaction.snap |
Snapshots issue tool schema. |
pkg/github/__toolsnaps__/remove_issue_comment_reaction.snap |
Snapshots comment tool schema. |
pkg/github/__toolsnaps__/remove_pull_request_review_comment_reaction.snap |
Snapshots review-comment schema. |
docs/feature-flags.md |
Documents the new tools. |
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Register nil-safe response body cleanup before handling go-github errors for all reaction removal tools, and cover every API-error path. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Copilot-Session: 9acf9c83-49aa-41af-a42d-ad75de34d132
RossTarrant
approved these changes
Sep 16, 2026
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social4hyq
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Sep 20, 2026
github-mcp-server 1.12.2 Created-by: HarmonybrewBot Commit-by: HarmonybrewBot Merged-by: HarmonybrewBot Description: Created by `brew bump` --- Created with `brew bump-formula-pr`.<details> <summary>release notes</summary> <pre>## What's Changed * feat: add update_issue_comment tool by @timrogers in github/github-mcp-server#3284 * feat: add `remove_issue_reaction`, `remove_issue_comment_reaction ` and `remove_pull_request_review_comment_reaction` tools to the granular issues and pull requests toolsets by @timrogers in github/github-mcp-server#3285 **Full Changelog**: https://github.com/github/github-mcp-server/compare/v1.12.1...v1.12.2</pre> <p>View the full release notes at <a href="https://github.com/github/github-mcp-server/releases/tag/v1.12.2">https://github.com/github/github-mcp-server/releases/tag/v1.12.2</a>.</p> </details> <hr> See merge request: Harmonybrew/homebrew-core!20388
eduardomoralesmartines618-pixel
approved these changes
Sep 21, 2026
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Summary
Adds granular MCP tools for removing reactions from issues or pull requests, issue or pull request comments, and pull request review comments.
Why
The granular toolsets can add reactions but previously had no matching way to remove them, leaving agents unable to undo an accidental or outdated reaction.
What changed
remove_issue_reactionandremove_issue_comment_reactionto the granular issues toolset.remove_pull_request_review_comment_reactionto the granular pull requests toolset.MCP impact
Each new tool mirrors its add-reaction counterpart and accepts the target identifier plus the
reaction_idreturned when a reaction is created.Prompts tested (tool changes only)
Security / limits
The tools retain the same
reposcope and granular feature gating as their add counterparts. They are explicitly marked destructive because they delete reactions; GitHub enforces ownership and repository permissions.Tool renaming
deprecated_tool_aliases.goLint & tests
./script/lint./script/testDocs