microsoft / microsoft/DataFactory.MCP

Query Experience - Sample Table

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Dominant language
C#
Stars
42
Forks
19
PR merge metrics
No merged PRs in 30d

Description

Issue: Add sample_table convenience tool

Labels: enhancement, query-experience, priority:high

Problem:
Sampling a table requires building M code manually every time:

let Source = ..., Table = ..., Sample = Table.FirstN(Table, 5) in Sample

Proposed Solution:
Single tool: provide table name → get N rows with types.

Acceptance Criteria:

  • Tool accepts: dataflow ID, table name, row count (default 10)
  • Returns rows with inferred/actual column types
  • Works without user writing M code

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names no files or tests. Start by locating the existing MCP query-tool entry points and the dataflow/table request path, then determine how row data and column types are represented. Done means a tool accepts a dataflow ID, table name, and optional row count, returns typed rows, and does not require user-authored M code.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
data-engineering, tooling
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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