Skills

Discover and install skills to enhance Claude Code.

520 skills found - Clear filters

data-validation

anthropics

QA an analysis before sharing with stakeholders — methodology checks, accuracy verification, and bias detection. Use when reviewing an analysis for errors, checking for survivorship bias, validating aggregation logic, or preparing documentation for reproducibility.

Data & Analytics
19
0

tanstack-query

exceptionless

Data fetching and caching with TanStack Query in Svelte. Query patterns, mutations, cache invalidation, WebSocket-driven updates, and optimistic updates. Keywords: createQuery, createMutation, TanStack Query, query keys, cache invalidation, optimistic updates, refetch, stale time, @exceptionless/fetchclient, WebSocket

Coding Data & Analytics
19
0

catalyst-dex-integration

duneanalytics

Add a DEX project to dex.trades for a chain (sources, base trades, chain unions, seed, dex_info)

Data & Analytics
19
0

tracking-crypto-derivatives

jeremylongshore

Track cryptocurrency futures, options, and perpetual swaps with funding rates, open interest, liquidations, and comprehensive derivatives market analysis. Use when monitoring derivatives markets, analyzing funding rates, tracking open interest, finding liquidation levels, or researching options flow. Trigger with phrases like "funding rate", "open interest", "perpetual swap", "futures basis", "liquidation levels", "options flow", "put call ratio", "derivatives analysis", or "BTC perps".

Data & Analytics
19
0

pydantic-models-py

microsoft

Create Pydantic models following the multi-model pattern with Base, Create, Update, Response, and InDB variants. Use when defining API request/response schemas, database models, or data validation in Python applications using Pydantic v2.

Coding Data & Analytics
19
0

financereport

AojdevStudio

Generate institutional-quality PDF analysis reports for stocks and ETFs. USE WHEN user mentions generate report, create pdf, stock analysis, ticker report, watchlist analysis, OR regenerate reports. Includes VGT-style headers, embedded charts, portfolio sizing, and Perplexity sentiment integration.

Data & Analytics
19
0

polars

davila7

Fast DataFrame library (Apache Arrow). Select, filter, group_by, joins, lazy evaluation, CSV/Parquet I/O, expression API, for high-performance data analysis workflows.

Data & Analytics
19
0

generating-trading-signals

jeremylongshore

Generate trading signals using technical indicators (RSI, MACD, Bollinger Bands, etc.). Combines multiple indicators into composite signals with confidence scores. Use when analyzing assets for trading opportunities or checking technical indicators. Trigger with phrases like "get trading signals", "check indicators", "analyze for entry", "scan for opportunities", "generate buy/sell signals", or "technical analysis".

Data & Analytics
19
0

youtube-summarizer

sickn33

Extract transcripts from YouTube videos and generate comprehensive, detailed summaries using intelligent analysis frameworks

Data & Analytics
19
0

check-rust-coverage

RediSearch

Check which Rust lines are not covered by Rust tests.

Coding Data & Analytics
18
0

web-perf

cloudflare

Analyzes web performance using Chrome DevTools MCP. Measures Core Web Vitals (FCP, LCP, TBT, CLS, Speed Index), identifies render-blocking resources, network dependency chains, layout shifts, caching issues, and accessibility gaps. Use when asked to audit, profile, debug, or optimize page load performance, Lighthouse scores, or site speed.

Data & Analytics
18
0

insecure-defaults

trailofbits

Detects fail-open insecure defaults (hardcoded secrets, weak auth, permissive security) that allow apps to run insecurely in production. Use when auditing security, reviewing config management, or analyzing environment variable handling.

Security Data & Analytics
18
0

managing-database-migrations

jeremylongshore

This skill enables Claude to manage database schema changes through version-controlled migrations. It is activated when the user requests to create, apply, or rollback database migrations. The skill supports generating timestamped migration files with both up and down migrations for PostgreSQL, MySQL, SQLite, and MongoDB. It helps in tracking schema evolution and ensuring safe database modifications. Use this skill when the user mentions "database migration", "schema change", "add column", "rollback migration", or "create migration".

Data & Analytics
18
0

facebook

openclaw

Manage Facebook Pages, posts, and insights via Graph API. Post content, read comments, and analyze engagement.

Data & Analytics
18
0

google-gemini-embeddings

benchflow-ai

Build RAG systems, semantic search, and document clustering with Gemini embeddings API (gemini-embedding-001). Generate 768-3072 dimension embeddings for vector search, integrate with Cloudflare Vectorize, and use 8 task types (RETRIEVAL_QUERY, RETRIEVAL_DOCUMENT, SEMANTIC_SIMILARITY) for optimized retrieval. Use when: implementing vector search with Google embeddings, building retrieval-augmented generation systems, creating semantic search features, clustering documents by meaning, integrating embeddings with Cloudflare Vectorize, optimizing dimension sizes (128-3072), or troubleshooting dimension mismatch errors, incorrect task type selections, rate limit issues (100 RPM free tier), vector normalization mistakes, or text truncation errors (2,048 token limit).

Data & Analytics
18
0

portfoliosyncing

AojdevStudio

Import and sync broker CSV portfolio data to Google Sheets DataHub. Supports multiple brokers (Fidelity, Schwab, Vanguard, etc.). USE WHEN user mentions import broker data OR sync portfolio OR update positions OR CSV import OR portfolio-sync OR working with Portfolio_Positions CSVs. Handles position updates, SPAXX/margin validation, safety checks, and formula protection.

Productivity Data & Analytics
18
0

posthog-automation

ComposioHQ

Automate PostHog tasks via Rube MCP (Composio): events, feature flags, projects, user profiles, annotations. Always search tools first for current schemas.

Productivity Data & Analytics
18
0

networkx

davila7

Comprehensive toolkit for creating, analyzing, and visualizing complex networks and graphs in Python. Use when working with network/graph data structures, analyzing relationships between entities, computing graph algorithms (shortest paths, centrality, clustering), detecting communities, generating synthetic networks, or visualizing network topologies. Applicable to social networks, biological networks, transportation systems, citation networks, and any domain involving pairwise relationships.

Research Data & Analytics
18
0

geopandas

davila7

Python library for working with geospatial vector data including shapefiles, GeoJSON, and GeoPackage files. Use when working with geographic data for spatial analysis, geometric operations, coordinate transformations, spatial joins, overlay operations, choropleth mapping, or any task involving reading/writing/analyzing vector geographic data. Supports PostGIS databases, interactive maps, and integration with matplotlib/folium/cartopy. Use for tasks like buffer analysis, spatial joins between datasets, dissolving boundaries, clipping data, calculating areas/distances, reprojecting coordinate systems, creating maps, or converting between spatial file formats.

Coding Data & Analytics
18
0

tradingview-screener

openclaw

Screen markets across 6 asset classes using TradingView data. API pre-filters + pandas computed signals. YAML-driven strategies.

Data & Analytics
18
0

social-media-analyzer

alirezarezvani

Social media campaign analysis and performance tracking. Calculates engagement rates, ROI, and benchmarks across platforms. Use for analyzing social media performance, calculating engagement rate, measuring campaign ROI, comparing platform metrics, or benchmarking against industry standards.

Data & Analytics
18
0
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