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feat: Add support for MCP Bundles (MCPB) in registry (#295)

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## Motivation and Context
- Add MCPB as a new registry_name option
- Add file_hashes field to package model for integrity verification
- Implement URL validation restricting MCPB packages to GitHub/GitLab
hosts
- Require SHA-256 hash for all MCPB packages
- Add example MCPB package in documentation
- Update schemas and OpenAPI specification

See issue #260

## How Has This Been Tested?
<!-- Have you tested this in a real application? Which scenarios were
tested? -->

## Breaking Changes
N/A, registry has not yet been launched

## Types of changes
<!-- What types of changes does your code introduce? Put an `x` in all
the boxes that apply: -->
- [ ] Bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Documentation update

## Checklist
<!-- Go over all the following points, and put an `x` in all the boxes
that apply. -->
- [x] I have read the [MCP
Documentation](https://modelcontextprotocol.io)
- [ ] My code follows the repository's style guidelines
- [ ] New and existing tests pass locally
- [ ] I have added appropriate error handling
- [x] I have added or updated documentation as needed

---------

Co-authored-by: Adam Jones <adamj+git@anthropic.com>
This commit is contained in:
joan-anthropic 2025-08-26 20:44:53 -07:00 • committed by GitHub
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19
internal/model/model.go
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@ -88,13 +88,18 @@ type Argument struct {
}
type Package struct {
RegistryName string `json:"registry_name" bson:"registry_name"`
Name string `json:"name" bson:"name"`
Version string `json:"version" bson:"version"`
RunTimeHint string `json:"runtime_hint,omitempty" bson:"runtime_hint,omitempty"`
RuntimeArguments []Argument `json:"runtime_arguments,omitempty" bson:"runtime_arguments,omitempty"`
PackageArguments []Argument `json:"package_arguments,omitempty" bson:"package_arguments,omitempty"`
EnvironmentVariables []KeyValueInput `json:"environment_variables,omitempty" bson:"environment_variables,omitempty"`
// RegistryType indicates how to download packages (e.g., "npm", "pypi", "docker-hub", "mcpb")
RegistryType string `json:"registry_type,omitempty" bson:"registry_type,omitempty"`
// RegistryBaseURL is the base URL of the package registry
RegistryBaseURL string `json:"registry_base_url,omitempty" bson:"registry_base_url,omitempty"`
// Identifier is the package identifier - either a package name (for registries) or URL (for direct downloads)
Identifier string `json:"identifier,omitempty" bson:"identifier,omitempty"`
Version string `json:"version,omitempty" bson:"version,omitempty"`
FileSHA256 string `json:"file_sha256,omitempty" bson:"file_sha256,omitempty"`
RunTimeHint string `json:"runtime_hint,omitempty" bson:"runtime_hint,omitempty"`
RuntimeArguments []Argument `json:"runtime_arguments,omitempty" bson:"runtime_arguments,omitempty"`
PackageArguments []Argument `json:"package_arguments,omitempty" bson:"package_arguments,omitempty"`
EnvironmentVariables []KeyValueInput `json:"environment_variables,omitempty" bson:"environment_variables,omitempty"`
}
// Remote represents a remote connection endpoint