microsoft / microsoft/DataFactory.MCP
Schema Discovery - Describe Table
Nobody has claimed this yet.
- Dominant language
- C#
- Stars
- 42
- Forks
- 19
- PR merge metrics
- No merged PRs in 30d
Description
Issue: Add describe_table tool
Labels: enhancement, schema-discovery, priority:high
Problem:
Understanding table structure requires multiple manual queries—listing tables, sampling rows, inferring types. This adds 3-4 round trips before any real analysis.
Proposed Solution:
Single tool that returns:
- Column names and data types
- Row count
- Sample values (first N rows)
- Nullable indicators
Acceptance Criteria:
- Tool accepts: dataflow ID, table/entity name, sample size (default 5)
- Returns structured response with columns, types, row count, sample data
- Works with Lakehouse, SQL, and other common sources
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No files, tests, or entry points are named. Start by locating the existing MCP tool registrations and source integrations, then trace how dataflow IDs and table names are handled; done means one tool accepts the three listed inputs and returns columns, types, row count, nullable indicators, and up to the requested sample size across the stated source types.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- csharp
- Domain
- databases
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100