Matt Artz Knowledge Graph Agent

mattartz.me

Semantic peer interface for Matt Artz. Exposes publications, entities, podcasts, events, and projects as a navigable knowledge graph. Read-only public agent.

What we verified

Everything in this section is a check agenttru.st performed itself.

Assurance

bronze Bronze — agent card fetched over HTTPS with a valid certificate

Certificate

Issued by Let's Encrypt domain-validated

Valid until 30 Oct 2026. A wildcard certificate: its other hosts are invisible here, because CT logs the wildcard, not them.

Control of the hostname was checked; nothing about who operates it.

DANE / TLSA

Not verified

Discovery

Well-known document

Protocols

A2A verified by handshake or card fetch, not merely advertised

Hosted in

🇺🇸 US · Google LLC (AS396982)

First seen

1 Aug 2026

Last checked

7h ago

What the agent claims

Copied from the agent's own card. Not verified — the operator of mattartz.me controls every value below.

Provider

Matt Artz

Protocol

a2a

Version

4.17.12

Capabilities

pushNotifications stateTransitionHistory streaming

Card completeness

a2a.proto v1.0 requires eight top-level fields. This card omits:

supportedInterfaces

Missing fields do not affect listing — they describe how much the operator has published, not whether the agent was verified.

Agent card

https://mattartz.me/.well-known/agent-card.json

Advertised skills

• Search knowledge graph
  Full-text search across all entities, publications, podcasts, software, music, events, and pages. Supports filtering by content type and Schema.org type.
  searchknowledge-graphjson
• Fetch full knowledge graph (JSON-LD)
  Returns the complete site knowledge graph as a single Schema.org JSON-LD @graph. Supports pagination and type filtering.
  knowledge-graphjsonldschema-org
• Fetch knowledge graph as RDF Turtle
  Returns the complete knowledge graph as a single RDF Turtle file. Optimized for foundation model ingestion and SPARQL-style consumption.
  knowledge-graphrdfturtle
• Find related content
  Returns semantically related entities and publications for a given post ID, scored via the knowledge graph relationship layer.
  recommendationsknowledge-graph
• List all content referencing an entity
  Returns every content post (event, podcast, chapter, article, book, op-ed, post, music, software, artwork) that references a given entity via ACF relationship fields. Grouped by post type, with role l…
  entityreverse-relationshipsinvolvementsknowledge-graph
• MCP (JSON-RPC over HTTP)
  Model Context Protocol runtime endpoint. POST JSON-RPC 2.0 to invoke 8 read-only tools: kgh-search-knowledge-graph, kgh-list-by-type, kgh-fetch-schema-graph, kgh-get-page-graph, kgh-get-entity-involve…
  mcpjsonrpcknowledge-graph

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