SmitheryListed

Predictive intelligence for drug discovery

Nullary is an MCP server providing structured, citable access to negative results in drug discovery. Every record carries full provenance (DOI, PMID, source URL, license). Covers 7 modalities: small molecules (84.5M records), CRISPR (37.6M), clinical trials (104K terminated), peptides, antibodies, PROTACs, and oligonucleotides. Sources include ChEMBL, PubChem BioAssay, DepMap, BioGRID ORCS, GenomeCRISPR, ClinicalTrials.gov, EudraCT, Drugs@FDA, Thera-SAbDab, SAbDab, FLAb, PROTAC-DB, THPdb, AOBase, Retraction Watch, and 10 others. Fully cited.

First seen 2 Oct 2026. Evidence as of 5 Oct 2026.