MCP server for querying versioned C2PA specification knowledge graphs, enabling AI agents to browse entity definitions, validation rules, and version diffs via natural language.
An MCP server that gives AI assistants access to biological and biomedical RDF databases via SPARQL at the RDF Portal, as well as selected REST APIs (NCBI E-utilities, UniProt, ChEMBL, PDB, Reactome, Rhea, MeSH, and more).
MCP server enabling AI assistants to explore schema.org types, generate JSON-LD examples, validate structured data, and navigate the complete ontology with fuzzy matching and caching.
MCP server for searching academic, patent, and web sources, normalizing identifiers, and managing workspace records. Exposes the same operations to AI clients via MCP tools.
MCP server for German e-invoice compliance (XRechnung 3.0 & ZUGFeRD 2.x) enabling AI agents to validate, generate, parse, and check compliance of electronic invoices per EN 16931.