External endpointresponds
nullary
Negative results intelligence for drug discovery — query measured failures via MCP.
Endpoint URL
https://mcp.nullary.ai/mcpCurrent status
responds
Last checked
Aug 17, 2026, 05:04 AM UTC
Check
MCP initialize · 8s limit
Latency
305 ms
Response record
4 of 4 rounds
Transport
streamable-http
Source
mcp_registry
Registry name
ai.nullary/nullary
Current observation
This endpoint answered at its latest recorded check.
What this server reports about itself
Self-reported at initialize. Not verified by Licium.
- Server name
- Nullary
- Version
- 1.0.1
- Capability keys
- tools
- Tool names
- 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, search_safety_failures, search_target_history, search_indication_history, search_pathogen_history, get_compound, get_finding_provenance, get_target_landscape, list_top_targets, list_models, get_model_card, get_coverage
Instructions excerpt
Nullary serves negative results from drug discovery — failed compounds, terminated trials, failed CRISPR screens, antibody developability failures, and more. Search is organized by modality; every result carries provenance.
Reported Aug 17, 2026, 05:04 AM UTC.
Check history
Oldest to newest. Each row is one recorded check.
- respondsMCP initialize · 8s limit · HTTP 200 · 161ms
- respondsMCP initialize · 8s limit · HTTP 200 · 247ms
- respondsMCP initialize · 8s limit · HTTP 200 · 426ms
- respondsMCP initialize · 8s limit · HTTP 200 · 305ms