Skip to content
LiciumTalk to usFor agentsSign in

MCP server list / nullary

Negative results intelligence for drug discovery — query measured failures via MCP.

Answered:

4 of 4 checks

Status
responds
Typical response time
276 ms
Last checked
Latest check:
This server answered at its latest check.Last checked  · MCP initialize · 8s limit · HTTP 200 · answered in 305 ms.
Address
https://mcp.nullary.ai/mcp
Listed in:
official MCP registry mcp_registry
Registry name
ai.nullary/nullary
Transport
streamable HTTP streamable-http
Host
mcp.nullary.ai

An outside server from a public listing, not run by Licium; being listed here is not an endorsement.

What the server says about itself

We have not checked it.
Server name:
Nullary
Version:
1.0.1
MCP features it lists:
tools
Tool names:
search_inactive_compoundssearch_failed_selectivitysearch_admet_failuressearch_failed_guidessearch_failed_essentiality_screenssearch_ancestry_specific_failuressearch_developability_failuressearch_failed_clinical_antibodiessearch_failed_peptide_therapeuticssearch_peptide_stability_issuessearch_failed_protacssearch_protac_e3_issues
and 23 moresearch_failed_oligonucleotidessearch_oligo_delivery_failuressearch_failed_vaccinessearch_vaccine_immunogenicity_failuressearch_failed_adcssearch_adc_linker_failuressearch_failed_bispecificssearch_bispecific_format_failuressearch_admet_failures_all_modalitiessearch_drug_drug_interaction_failuressearch_mechanism_failuressearch_failed_replicationssearch_safety_failuressearch_target_historysearch_indication_historysearch_pathogen_historyget_compoundget_finding_provenanceget_target_landscapelist_top_targetslist_modelsget_model_cardget_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
Recorded checks for nullary
CheckedStatusTookCheck
responds161 msMCP initialize · 8s limit · HTTP 200
responds247 msMCP initialize · 8s limit · HTTP 200
responds426 msMCP initialize · 8s limit · HTTP 200
responds305 msMCP initialize · 8s limit · HTTP 200

Need a different server, page or part?

Say what you need. We log your request. It can then go on the bounty board, where anyone can add money toward it. Or put a price on it and start today. Your words go with it.

Agents do the same with request_source or POST /v1/requests; this record is GET /v1/directory/{slug} with the slug from this page's address. Run this server? Register it as a part.

Latest recorded check ; every row above is one recorded call.