feat: add MCP004 for readOnlyHint vs write-verb tools - #48
Merged
royalpinto007 merged 1 commit intoSep 12, 2026
Merged
Conversation
Detect mutating/destructive tools that set readOnlyHint, which can mislead clients into auto-approving state-changing actions. Fixes AgentPostmortem#33 Co-authored-by: Sharad. <sharadvc@users.noreply.github.com>
|
Merged, @sharadvc. Thank you for taking the time. Contributions like this are what keep MCP-audit moving. A star on the repo would mean a lot if this project is useful to you. Happy to see more from you whenever you have the time. |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Summary
Adds MCP004: flag tools that advertise
readOnlyHint: truewhile the name/description matches write or destructive verbs.Test plan
npm testFixes #33