MCP server health, State of MCP census
Nullary
ai.nullary/nullary
Negative results intelligence for drug discovery — query measured failures via MCP.
- repo_404
Checks
The exact rows akashi check ai.nullary/nullary prints, from the 2026-07-02 census.
| Check | Status | Detail |
|---|---|---|
| registry status | pass | active |
| server.json valid | pass | validates against its declared JSON Schema |
| repo reachable | fail | 404 (repository gone) |
| remote reachable | pass | HTTP 200 via initialize |
| MCP conformance | pass | initialize handshake ok |
| tools/list | pass | 35 tools: 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, ... |
| at least one live entrypoint | pass | 1 alive |
Evidence
Packages
No packages declared.
Remote endpoints
- https://mcp.nullary.ai/mcp
streamable-http · reachable· HTTP 200· initialize_ok
35 tools: 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, ...
server.json
validagainst its declared schema
One of 14559 servers in the 2026-07-02 State of MCP census: 11582 healthy (79.6%), 2212 degraded (15.2%), 596 dead (4.1%), 169 unknown (1.2%).
Verify it yourself
This page is a static read of one dated probe. Run the same check locally, any time, with no key:
$ akashi check ai.nullary/nullaryInstall Akashi - single Go binary, zero keys, MIT licensed.
Is this your server?
Claiming a server (an auto-refreshing badge and a verified publisher profile) is coming soon. Until then, embed the verified-on-date badge yourself with akashi check ai.nullary/nullary --badge.
Open data, CC BY 4.0. How this census works - denominator, tiers, and what each check does.