Kotoba Cloud Graph & Ontology database bronze

graph.kotoba.cloud

“Kotoba Cloud Graph & Ontology database: tenant-isolated graphs of datoms over immutable IPLD snapshots; every entity carries an ontology type tag (:ontology/type). Credential: the MCP connection's Authorization header — a tenant service account token (Bearer kb_sa_…) the account holder minted in the workbench, or a Biscuit — plus x-kotobase-tenant. Start with graph_list_databases; graph_create_database once; graph_transact writes an EDN transaction vector (tx_edn); graph_query reads in datalog (kotobase dialect, Datomic-shaped EDN), cypher, sparql or sql. A 401 in a tool result means the connection carries no live credential: the person mints one at https://graph.kotoba.cloud/ (Create workspace → Create agent token). Docs: https://graph.kotoba.cloud/agent-quickstart.md

https://graph.kotoba.cloud/mcp its card

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Certificate: Issued by Google Trust Services domain-validated
Valid until 15 Dec 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 (TLSA query returned RCodeNameError)
Discovery: Well-known document
AI-facing documents: Publishes /llms.txt — “Kotoba Cloud Graph & Ontology database” a curated map of the site's content for language models

Fetched from this host during verification. Neither document is how this agent was discovered.
First seen: 19 Sep 2026

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Assurance: bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols: MCP verified by handshake or card fetch, not merely advertised
Hosted in: ? Unknown · Cloudflare, Inc. (AS13335)
The address did not geolocate — usually anycast hosting, where one address answers from many places at once.
Last checked: 5d ago

What this agent says it can do

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Technical agent card

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Protocol: mcp
Version: 1.0.0

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Capabilities: tools
Agent card: https://graph.kotoba.cloud/mcp

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