tobi

Read and explore any data file (CSV, JSON, Parquet, Avro, Excel, spatial, …) locally or remotely (S3, HTTPS). Resolves the path automatically. Uses DuckDB with extension-based format detection — no magic extension needed.

Search past Claude Code session logs to recover your own context. Invoke this proactively when you need to recall past decisions, patterns, or unresolved work — either across all projects or scoped to the current one.

Query the IMSA DuckDB dataset (output/imsa.duckdb). Includes schema guidance for seasons and laps plus formatting macros. Use for analytics, session lookups, and lap-level queries.

use to query historical data on the IMSA Weathertech seasons

Create reactive Python notebooks for IMSA racing data analysis using marimo. Use for building interactive filtering UIs (seasons, classes, events), connecting to DuckDB databases, creating reactive visualizations, and performing data analysis with automatic cell re-execution. Includes templates, patterns, and IMSA-specific workflows.

Search local markdown knowledge bases, notes, docs, and wikis with QMD. Use when users ask to find notes, retrieve documents, inspect a wiki, answer from indexed markdown, or set up QMD access.

Manage releases for this project. Validates changelog, installs git hooks, and cuts releases. Use when user says "/release", "release 1.0.5", "cut a release", or asks about the release process. NOT auto-invoked by the model.

Run background tasks, long-running processes, servers, and anything you'd use tmux for. Named panels persist across commands. Use for dev servers, Electron apps, build watchers, tailing logs, running test suites, or any process that needs to keep running while you do other work.

CSP (Custom Shaders Patch) Lua API reference for Assetto Corsa modding. Use when working with ac.*, ui.*, render.*, physics.* APIs or any CSP Lua code.

Fix failing Ruby gem Nix builds by writing overlays. Use when `just build` reports failures and outputs a build log file. Covers diagnosing build errors, writing overlay files, and the full fix-rebuild-verify cycle.

Build Thymer plugins - use when the user asks to create, modify, or debug Thymer plugins for the note-taking/project management app

This skill should be used when the user asks to "run benchmarks", "profile performance", "measure allocations", "optimize render speed", "find hot paths", "generate flamegraph", or mentions stackprof, memory profiler, or performance optimization.