Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/microsoft/datafactory.mcp/builder.datafactorynpx skills add microsoft/DataFactory.MCP --skill builder.datafactorygit clone --depth 1 https://github.com/microsoft/DataFactory.MCPWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00030 | $0.00442 |
| Opus 5 | $0.00015 | $0.00221 |
| Sonnet 5 | $0.00006 | $0.00088 |
| Haiku 4.5 | $0.00003 | $0.00044 |
Grade A, and why
builder.datafactory scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Building DataFactory.MCP
Prerequisites
- .NET 10 SDK installed
- NuGet feeds configured (see
nuget.configandnuget.private.config)
Commands
All commands run from the repo root.
| Task | Command |
|---|---|
| Build all | dotnet build |
| Build release | dotnet build -c Release |
| Build specific project | dotnet build DataFactory.MCP.Core/ |
| Run all tests | dotnet test |
| Run tests verbose | dotnet test -v normal |
| Run specific test | dotnet test --filter "FullyQualifiedName~TestName" |
| Run with coverage | dotnet test --collect:"XPlat Code Coverage" |
| Run MCP server | dotnet run --project DataFactory.MCP |
| Clean + build | dotnet clean && dotnet build |
| Restore packages | dotnet restore |
Versioning
Version is defined in Directory.Build.props:
<MajorVersion>0</MajorVersion>
<MinorVersion>19</MinorVersion>
<PatchVersion>0</PatchVersion>
<PreReleaseLabel>beta</PreReleaseLabel>
To bump version, use Update-ServerVersion.ps1 or edit Directory.Build.props directly.
NuGet Packages Produced
Microsoft.DataFactory.MCP— Main server packageMicrosoft.DataFactory.MCP.Core— Core libraryMicrosoft.DataFactory.MCP.Http— HTTP transport
Troubleshooting
| Issue | Fix |
|---|---|
| Missing packages | dotnet restore (check nuget.config for feed URLs) |
| Framework not found | Install .NET 10 SDK |
| Private feed auth | Check nuget.private.config credentials |
| Build warnings | Nullable is enabled project-wide; fix nullable warnings |
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 56 lines · 30 tokens per session scan A 32f52d31af43
builder.datafactory is a skill published in the GitHub repository microsoft/DataFactory.MCP (42 stars, last pushed 20d ago), licensed MIT. It adds 30 tokens to every session and 442 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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