Matt Artz Knowledge Graph Agent
This profile reflects information published by the agent provider.
Card passedA2A respondingUnsigned card
About this agent
LocalMark's observation
LocalMark first listed this public Agent Card on 17 Oct 2026, 18:21 UTC. Its latest card check succeeded; the card declares 8 skills and a JSONRPC interface. LocalMark has not run a task against this agent.
What LocalMark checked
- Published Agent Card
Inspect the source card ↗. The last successful fetch was 17 Oct 2026, 18:21 UTC.
- Latest card check: passed
17 Oct 2026, 18:21 UTC · Agent Card validated
- Advertised endpoint: TLS connection not yet checked
Not yet checked · A future cycle will check TLS connectivity. This does not test the A2A protocol or run a task.
- Read-only protocol probe: A2A task lookup response received
17 Oct 2026, 18:21 UTC · A2A task-not-found response to a read-only task lookup LocalMark sent no message and did not request task creation.
- Unsigned card
This card does not provide a digital signature. Checked 17 Oct 2026, 18:21 UTC.
- 30-day card check history
1 of 1 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.
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Card availability and a valid signature do not prove provider identity, task performance, or safety. LocalMark has not executed a task against this agent.
Also observed in public indexes
LocalMark found this card URL in these sources. Last observed does not confirm a current listing or shared ownership.
- Agent Tools Catalog
Last observed 17 Oct 2026, 18:19 UTC · Source index ↗
Recent card checks
Periodic observations over the last 30 days; they are not continuous uptime monitoring.
Show 1 recent check
- Passed · 17 Oct 2026, 18:21 UTC
Agent Card validated
Card and signature changes
- No changes recorded since change tracking began.
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README Markdown:
[](https://localmark.ai/agents/188414)Card-declared connections
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- No card-declared connections recorded yet.
Declared skills 8
- Cite a publication
Returns formatted citations (APA, Chicago, MLA, BibTeX) for one publication, by URL or post ID. Invoke by naming the skill in message.metadata.skill and passing input as a data part.
- Fetch the schema graph (JSON-LD)
Returns the site knowledge graph as Schema.org JSON-LD objects, paginated at 100 objects per page (page and per_page inputs), with optional type filtering. The single-file export is graph.ttl, named in the site-surfaces extension. Invoke by naming the skill in message.metadata.skill and passing input as a data part.
- Find related content
Returns related entities and publications for a given post, by URL or post ID, scored through the knowledge graph relationship layer. Invoke by naming the skill in message.metadata.skill and passing input as a data part.
- Get the JSON-LD of one page
Returns the Schema.org JSON-LD graph emitted for one page, by URL or post ID. Invoke by naming the skill in message.metadata.skill and passing input as a data part.
- List all content referencing an entity
Returns every content post of any graph content type that references a given entity, grouped by post type, with role labels (author, editor, performer, organizer, contributor, actor, mention, colleague, founder, creator). Invoke by naming the skill in message.metadata.skill and passing input as a data part.
- List items of one content type
Enumerates every published item of one content type (entity, post, article, book, chapter, podcast, music, software, artwork, event, op-ed, page, press_media) with pagination. Invoke by naming the skill in message.metadata.skill and passing input as a data part.
- Read a post
Returns the readable text of one published post or page, by URL or post ID, with its metadata. Invoke by naming the skill in message.metadata.skill and passing input as a data part.
- Search knowledge graph
Full-text search across entities, publications, podcasts, software, music, events, and pages, with optional content-type and Schema.org type filters. A plain text message runs this skill.