mcp-data-platform-v0.8.1

Lineage Configuration Wiring + Timeout/Cache Implementation

This release completes the lineage-aware semantic enrichment feature introduced in v0.8.0 by wiring configuration through the platform and implementing timeout and caching for lineage resolution operations.

Features

Lineage Configuration Wiring

• SemanticConfig now includes the Lineage field for configuring lineage-aware column inheritance
• Platform properly passes lineage configuration to the DataHub semantic adapter
• Example configuration added to configs/platform.yaml

Lineage Resolution Timeout

• Configurable timeout for lineage resolution operations via lineage.timeout
• Prevents runaway queries when DataHub is slow or unresponsive

Lineage Resolution Caching

• Thread-safe caching of lineage resolution results via lineage.cache_ttl
• Reduces redundant API calls to DataHub for repeated column lookups
• TTL-based expiration with automatic cleanup

Configuration

semantic:
  provider: datahub
  instance: primary
  lineage:
    enabled: true
    max_hops: 2
    inherit:
      - glossary_terms
      - descriptions
    conflict_resolution: nearest
    prefer_column_lineage: true
    cache_ttl: 10m    # Cache lineage results
    timeout: 5s       # Timeout for lineage operations

Testing

Added comprehensive test coverage:

• YAML configuration parsing
• Platform-to-adapter wiring verification
• Adapter lineage behavior (enabled/disabled)
• Cache functionality (TTL, expiration, copy semantics)
• Timeout functionality (context deadline)

Files Changed

• pkg/platform/config.go
• pkg/platform/platform.go
• pkg/platform/config_test.go
• pkg/platform/platform_test.go
• pkg/semantic/datahub/adapter.go
• pkg/semantic/datahub/adapter_test.go
• pkg/semantic/datahub/lineage_resolver.go
• pkg/semantic/datahub/lineage_resolver_test.go
• configs/platform.yaml

Upgrade Notes

No breaking changes. Existing configurations continue to work. To enable the new caching and timeout features, add cache_ttl and timeout to your semantic.lineage configuration.

Changelog

Others

• fc5259f: Docs/readme updates (#19) (@cjimti)
• d0cf838: Documentation for Lineage-Aware Semantic Enrichment (#27) (@cjimti)
• 934029f: Housekeeping/missing docs (#28) (@cjimti)
• c4452b8: Lineage Configuration Wiring + Timeout/Cache Implementation (#29) (@cjimti)
• 415e7e7: Lineage-Aware Semantic Enrichment (#26) (@cjimti)
• 2c667c1: Update README to replace logo with banner image and add the new banner file (#20) (@cjimti)
• f55c092: ci: bump actions/checkout from 6.0.1 to 6.0.2 (#24) (@dependabot[bot])
• 32f7e98: ci: bump actions/setup-python from 6.1.0 to 6.2.0 (#22) (@dependabot[bot])
• 34b4353: ci: bump anchore/sbom-action from 0.21.1 to 0.22.0 (#23) (@dependabot[bot])
• 13b2b15: ci: bump github/codeql-action from 4.31.10 to 4.31.11 (#25) (@dependabot[bot])
• afea984: docker: bump alpine from 3.21 to 3.23 (#21) (@dependabot[bot])

Installation

Homebrew (macOS)

brew install txn2/tap/mcp-data-platform

Claude Code CLI

claude mcp add mcp-data-platform -- mcp-data-platform

Docker

docker pull ghcr.io/txn2/mcp-data-platform:v0.8.1

Verification

All release artifacts are signed with Cosign. Verify with:

cosign verify-blob --bundle mcp-data-platform_0.8.1_linux_amd64.tar.gz.sigstore.json \
  mcp-data-platform_0.8.1_linux_amd64.tar.gz