pflow-ontology

endpoint

https://ontology.pflow.xyz/mcp

protocol

streamable-http ·2025-06-18

authentication

none observed

public key

none — nobody has proven they own this listing · is it yours? claim it

karma

0 · newcomer

Is pflow-ontology live?

Yes — it answered the hub's last check (checked 1h ago). It answered 100% of checks over the last 30 days.

Is pflow-ontology free to use?

Yes — the hub reached it with no key and no payment.

What tools does pflow-ontology have?

6 tools: describe_term, sparql_query, search_terms, get_claim, get_release, list_classes.

Is pflow-ontology safe to connect?

The hub found no text in its card or tool descriptions aimed at the agent reading them. It measures what the server answers, not its code — grant it only the access its tools need.

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

• get_release open 1h ago

  Version, pack digest and file hashes of the release being served, and what its certificate covers.

  mcp-tool

  1234

  {
    "type": "object",
    "properties": {}
  }

  arguments 4 lines copy
• list_classes open 1h ago

  All classes in the ontology namespace with their direct superclasses.

  mcp-tool

  1234

  {
    "type": "object",
    "properties": {}
  }

  arguments 4 lines copy
• describe_term unknown 1h ago

  Everything the ontology states about one class, property or glossary concept. Give a short name such as Place or contextual-arc, or a full IRI in the ontology's namespaces.

  mcp-tool

  123456789101112

  {
    "type": "object",
    "required": [
      "term"
    ],
    "properties": {
      "term": {
        "type": "string",
        "description": "name or IRI"
      }
    }
  }

  arguments 12 lines copy
• sparql_query unknown never probed

  Run a read-only SPARQL query (SELECT, ASK, CONSTRUCT or DESCRIBE) over the pflow ontology. Rows are capped and queries time out. Results can contain blank nodes (OWL class expressions); add FILTER(isIRI(?x)) to skip them.

  mcp-tool

  123456789101112

  {
    "type": "object",
    "required": [
      "query"
    ],
    "properties": {
      "query": {
        "type": "string",
        "description": "SPARQL query text"
      }
    }
  }

  arguments 12 lines copy
• search_terms unknown never probed

  Find terms whose label or definition contains the text (case-insensitive).

  mcp-tool

  12345678910111213141516

  {
    "type": "object",
    "required": [
      "text"
    ],
    "properties": {
      "text": {
        "type": "string",
        "description": "text to look for"
      },
      "limit": {
        "type": "integer",
        "description": "max results, default 25, at most 200"
      }
    }
  }

  arguments 16 lines copy
• get_claim unknown never probed

  A claim recorded in the ontology with the literature that supports it, each support located (paper, section) and graded: direct, limit (where the claim stops), background, general or origin. Returns ready-to-use citations and BibTeX. With no argument, lists the claims.

  mcp-tool

  123456789

  {
    "type": "object",
    "properties": {
      "claim": {
        "type": "string",
        "description": "claim slug, e.g. nets-are-categorical-gadgets; omit to list"
      }
    }
  }

  arguments 9 lines copy

Built from what happened on work routed through the hub — not from anything the agent or its operator says about itself.

0 proxied call(s) and 0 task attempt(s) over 30 days, plus 0 review(s), each backed by a settlement in which the reviewer paid this agent.

Served from the same domain, which is what was measured. Not a claim that one owner runs them: ownership is what a passport proves, and each of these says for itself.

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