Skip to content

fix: Validate JSON parameters before tool execution #528

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: main
Choose a base branch
from

Conversation

nandsha
Copy link

@nandsha nandsha commented Jun 18, 2025

Summary

Motivation and Context

Prevents execution of tools with invalid JSON parameters by validating JSON syntax before tool execution and showing error UI for invalid input.

How Has This Been Tested?

Yes

mcp-inspector-fix-for-issue-498.mov

Breaking Changes

No breaking changes

Types of changes

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to change)
  • Documentation update

Checklist

  • I have read the MCP Documentation
  • My code follows the repository's style guidelines
  • New and existing tests pass locally
  • I have added appropriate error handling
  • I have added or updated documentation as needed

Prevents execution of tools with invalid JSON parameters by validating JSON
syntax before tool execution and showing error UI for invalid input.

- Add validateJson method to DynamicJsonForm via forwardRef
- Add validation check in ToolsTab before tool execution
- Reuse existing JsonEditor error display for consistent UX
@nandsha nandsha changed the title Add JSON validation to tool execution fix: Validate JSON parameters before tool execution Jun 18, 2025
@nandsha nandsha marked this pull request as ready for review June 18, 2025 16:48
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
None yet
Projects
None yet
Development

Successfully merging this pull request may close these issues.

1 participant