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Harness Data
Curated data engineering pack with four sub-domains — analytics-engineering, data-analyst-notebook, llm-app, and ml-pipeline — wiring domain skills, read-only architect/auditor agents, warehouse read-only and sample-then-scale guards, provenance audit logging, and eval-separation discipline.
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npx claudepluginhub camilool8/harness-engineering-templates --plugin harness-dataPopularity
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Med: 0·Avg: 274
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Med: 0·Avg: 1
What's Inside
Slash Commands1
Agents22
analytics-architect
/analytics-architect
Designs the layer cake (staging → marts → semantic layer); drafts contracts and unit tests before models. Use before any dbt model implementation.
chart-critic
/chart-critic
Reviews rendered charts against the canonical sins list. Use PostToolUse on plt.savefig, fig.write_html, or matplotlib show. Different model family from the generator agent (cross-family judge).
contract-author
/contract-author
Writes contracts before models; refuses model PRs that break an existing contract without a migration note. Use before any new staging+ model.
data-versioner
/data-versioner
Emits a data hash for every input parquet / arrow / DuckDB snapshot used in a run. Refuses commits that change a model artifact without a recorded data hash. Use whenever a new dataset is introduced or an existing one changes.
dataset-card-author
/dataset-card-author
Emits a dataset card structured for NIST AI RMF Map and EU AI Act Annex IV. Use whenever a new training, eval, or source dataset is introduced.
Skills33
data-addon-bigquery-mcp
/addon-bigquery-mcp
Google BigQuery remote MCP conventions (preview) — GCP Workload Identity Federation auth never a static service-account key, a read-only bigquery.jobUser + dataViewer role, mandatory partition pruning, and in-place query streaming. Use when querying BigQuery, wiring the BigQuery MCP, or setting up read-only warehouse access on GCP.
data-addon-databricks-mcp
/addon-databricks-mcp
Databricks Managed MCP conventions (Public Preview) — Unity Catalog ACLs as the upstream gate, OAuth only never a personal access token, Genie spaces treated as downstream lineage consumers, and Mosaic AI model serving published by humans/CI not the agent. Use when querying Databricks, wiring the Databricks MCP, or working with Unity Catalog.
data-addon-dbt-core
/addon-dbt-core
dbt-core conventions — contract-first models with contract.enforced true, mandatory unit tests, a semantic layer as the single metric source of truth, the dbt remote MCP as the governed agent surface, and auto-activating dbt-agent-skills. Use when building dbt models, contracts, unit tests, or semantic-layer metrics, or wiring the dbt MCP.
data-addon-duckdb-mcp
/addon-duckdb-mcp
DuckDB + MotherDuck conventions — local-first SQL over Parquet/CSV/JSON with no warehouse round-trip, MotherDuck OAuth (never a static token), sample-then-scale even locally, and DuckDB as a join engine for Polars via pl.SQLContext. Use when querying local data files or using DuckDB/MotherDuck. The duckdb MCP server ships with this plugin.
data-addon-inspect-ai
/addon-inspect-ai
UK AISI Inspect AI eval conventions — the dataset/solver/scorer three-piece shape, Docker-sandboxed task isolation, the 200+ pre-built inspect_evals starter tasks, and wrapping Claude Code/Codex/Gemini CLI as the agent under test. Use when authoring or running Inspect AI evals, sandbox-isolated agentic evals, or adding a custom eval task.
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Version0.1.0
LanguageShell
Stars0
MaintenanceGood
LicenseMIT
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harness-base
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Executes bash commands
Hook triggers when Bash tool is used
Modifies files
Hook triggers on file write and edit operations
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