RDFLib is a Python library for working with RDF, a simple yet powerful language for representing information.

Python package for scraping recipes data

Extract embedded metadata from HTML markup

JSON-LD processor written in Python

Minimal metadata schemas for science software and code, in JSON-LD

JSON-LD parser and serializer plugins for RDFLib

Vault-LD: an open spec for Markdown vaults as linked data. YAML-LD frontmatter + a shared @context = an RDF knowledge graph. Prose for humans and LLMs, triples for machines.

IMDb + Auto + Unlimited Filter BoT

MkDocs plugin for SEO metadata, social cards, JSON-LD, Git authors, Copy for LLM, and llms.txt generation.

Schema.org classes in pydantic

A sentiment and emotion analysis server in Python

A set of documents addressing the structure of and supporting services for xAPI Profiles.

Building and Using Knowledge Graphs made easy

OpenAPI keywords for Linked Data

WG3 Metadata Specification

DEPRECATED: replaced by linkml

Detects when a deploy silently ships a noindex, drops a schema block, or rewrites your canonical. Baselines a page's SEO contract, diffs every change with Critical/Warning/Info severity, and points fixes to claude-seo sub-skills. A Claude Code skill. Open source.

🌎 🖥 Supercharge your scraper to extract quality page metadata by parsing JSON-LD data via Python's extruct library.

Agent tools for any API, device, or local process, from a description you write or compile from OpenAPI. HTTP, MQTT, RTSP, in-process, subprocess, or your own protocol. Authorized per operation; the agent never holds your keys.

Open standard for portable AI knowledge interchange — JSON-LD + Markdown dual format with W3C PROV provenance, bi-temporal tracking, entity relationships, and OKF support.