backend database expert
Focuses on database design, SQL optimization, and migration strategies.
Skills
Find an Agent Skill for your task. Read the guide and copy the install command.
Updated 11-05 00:16
Data & analytics
17,418 results
alembic
Database migration management for SQLAlchemy projects using Alembic
using-jq
Writes, explains, and debugs jq programs that filter, reshape, aggregate, merge, and convert JSON. Use when the user asks to parse, filter, transform, query,…
performance-db-setup
Install one student's Meta ad performance database: copy the Lark Base template, teach them to read the board, fill in their own economics, wire the daily sync…
brightdata-cli
Guide for using the Bright Data CLI (`brightdata` / `bdata`) to scrape websites, search the web, extract structured data from 40+ platforms, manage proxy…
binary-classification
Build a production-ready binary classifier on tabular data using XGBoost. Use when the user needs to predict a binary outcome from tabular features (churn,…
data-provider
Turn a question about the world into a table Parallax can accept, with every field typed observed or simulated at the moment it is written. You do the…
augur-graham
Benjamin Graham investment analysis Agent. Deep value, margin of safety, cigar-butt stock strategy. PE<15, PB<1.5, current ratio>2. Suitable for undervaluation, below net asset value, cyclical bottoms.
aer-replication
Use when assembling the AEA Data and Code Availability deposit for an AER, AER:Insights, or AEJ acceptance, writing the README, or auditing a replication…
aer-tables-figures
Use when constructing or revising regression tables, descriptive statistics tables, or figures after results are estimated and before submission for an AER,…
astrophysics-data-guide
Astronomical data processing with Astropy, FITS files, and sky surveys
codebook
Auto-generates a Markdown codebook from a dataset (CSV, DTA, Excel, Parquet) with types and summary statistics. Use when documenting variables.
econ-visualization
Create publication-quality charts and graphs for economics papers.
econometrics-r
R-based econometric analysis for academic research. Use when writing R code for panel data, difference-in-differences, instrumental variables, spatial…
geopandas
Spatial data: GeoDataFrames, spatial joins, CRS/projections, choropleth/interactive maps, spatial autocorrelation, PySAL. Use for geographic data, spatial…
hypothesis-generation
Structured hypothesis formulation from observations. Use when you have experimental observations or data and need to formulate testable hypotheses with…
linearmodels
Panel data, IV/GMM, system regression. PanelOLS (FE/RE), BetweenOLS, Fama-MacBeth, IV2SLS/LIML/GMM, SUR, 3SLS, Driscoll-Kraay SEs. Use for RE/between, system…
obsidian-bases
Create and edit Obsidian Bases (.base files) with views, filters, formulas, and summaries. Use when working with .base files, creating database-like views of…
panel-data-analyst
Expert panel data regression analysis with fixed effects and GMM
plotly
Plotly interactive visualization. Express and Graph Objects: scatter, line, bar, heatmap, 3D, geographic charts; subplots; styling; export. Use when…
polars
Polars DataFrame library for high-performance data manipulation. Lazy/eager execution, expressions, I/O (CSV, Parquet, JSON), aggregations, joins,…
regression-table
Formats estimation output as a publication-quality regression table with stars, SEs, and fit statistics. Use when creating a results table.
stata-data-cleaning
Clean and transform messy data in Stata with reproducible workflows
chi-artifact-evaluation
Use when packaging the artifacts behind an ACM CHI paper — prototypes, study instruments, codebooks, datasets, analysis code — for anonymous review scrutiny…