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fix: Named arguments should identify the argument name (#321)

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Originally by @dmartinol. This branch is an attempt by @domdomegg to fix
the merge conflicts...

---

## Motivation and Context
Closes #145 

Add comprehensive validation for named arguments in MCP server packages
to ensure argument names, values, and defaults follow proper format
conventions. This prevents common issues where argument names contain
embedded values or descriptions, and where values/defaults incorrectly
start with the argument name itself.

Key changes:
- Add ArgumentValidator with validation rules for named argument format
- Enhance PackageValidator to validate runtime and package arguments
- Update import process to log warnings for invalid servers instead of
failing
- Fix 396 servers in seed.json with malformed named arguments
- Extended `validate-examples` tool to apply the object validator (it
was completely missed before)
- Add comprehensive test coverage for all validation scenarios

Examples of fixes applied:
- "--directory <path>" → "--directory" with value "<path>"
- "--with-editable $REPO" → "--with-editable" with value "$REPO"
- "recipient@example.com" → "--recipient" (proper argument naming)

All servers now pass validation during both API publishing and data
import.

🤖 Generated with [Claude Code](https://claude.ai/code)

## How Has This Been Tested?
With ad-hoc unit tests.
Manual integration tests of built artifact and the seed data.

## Breaking Changes
New registrations need to follow the argument name conventions,
otherwise the import would fail for the inconsistent servers.

## Types of changes
- [x] 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
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [x] My code follows the repository's style guidelines
- [x] New and existing tests pass locally
- [x] I have added appropriate error handling
- [ ] I have added or updated documentation as needed

---------

Signed-off-by: Daniele Martinoli <dmartino@redhat.com>
Co-authored-by: Daniele Martinoli <dmartino@redhat.com>
Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
adam jones 2025-08-29 12:17:53 +01:00 • committed by GitHub
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