Graph Node indexes data from blockchains such as Ethereum and serves it over GraphQL

Obelisk indexes past agent sessions (Claude Code, Codex, Kimi Code, Pi) into a queryable SQLite database with a CLI skill for agents and an Electron app for humans.

PISA: Performant Indexes and Search for Academia

Create branded architecture, IT current-state, flowchart, sequence, state machine, ER/data model, timeline, swimlane, quadrant, radar/spider, polar chart (polar/radial lollipop), loop/flywheel, nested, tree, org chart, layer stack, Venn, pyramid/funnel, treemap, bar, line, Gantt and scatter charts, high-level, process, medallion, data flow, DP integration, DP security matrix, Sankey, fishbone, Wardley map, kanban, user journey, deployment, dependency graph, UML class, story map, or database schema diagrams as standalone HTML/SVG/PNG. Redraw .drawio/.drawio.png/.drawio.svg or Mermaid .mmd sources at a chosen size/detail; onboard brand tokens from a website; add semantic patterns, callouts, accessible motion, or sketchy/hand-drawn styling.

Web application that indexes all popular torrent sites, and saves it to the local database.

Open Knowledge Format (OKF) v0.2 guidance. Use when creating, reading, reviewing, or maintaining an OKF bundle; responding to OpenKnowledge `okf` plugin warnings; or choosing types, provenance, links, indexes, or logs.

Conversion utilities between H3 indexes and GeoJSON

Comprehensive guide for Go database access — parameterized queries, struct scanning, NULLable columns, transactions, isolation levels, SELECT FOR UPDATE, connection pool, batch processing, context propagation, and migration tooling. Use when writing, reviewing, or debugging Golang code that interacts with PostgreSQL, MariaDB, MySQL, or SQLite; for database testing; or for questions about database/sql, sqlx, or pgx. Does NOT generate database schemas or migration SQL.

A collection of token-efficient, agent-friendly OpenTelemetry skills for AI coding agents, installable via skills.sh or Claude Code plugin marketplace.

CodeWiki is a knowledge platform that analyzes repositories into AST graphs, builds GraphRAG indexes, and generates source-grounded developer wikis with FastAPI, React, and LiteLLM.

A markdown-based build playbook that turns any coding agent into a website build foreman, forcing design decisions and shipping verified sites.

A local-first CLI that indexes Obsidian vaults into ChromaDB for AI agents to perform semantic search and graph traversal.