nullary for Grok
ai.nullary/nullary
Negative results intelligence for drug discovery — query measured failures via MCP.
client:Grok
transport:streamable-http
tools:35
Install nullary in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"nullary": {
"type": "http",
"url": "https://mcp.nullary.ai/mcp"
}
}
}Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs
What Grok can do once it is connected
- search_inactive_compounds
- search_failed_selectivity
- search_admet_failures
- search_failed_guides
- search_failed_essentiality_screens
- search_ancestry_specific_failures
- search_developability_failures
- search_failed_clinical_antibodies
- search_failed_peptide_therapeutics
- search_peptide_stability_issues
- search_failed_protacs
- search_protac_e3_issues
- search_failed_oligonucleotides
- search_oligo_delivery_failures
- search_failed_vaccines
- search_vaccine_immunogenicity_failures
- search_failed_adcs
- search_adc_linker_failures
- search_failed_bispecifics
- search_bispecific_format_failures
- search_admet_failures_all_modalities
- search_drug_drug_interaction_failures
- search_mechanism_failures
- search_failed_replications