# Calviri

**Canonical:** https://apis.io/providers/calviri/  
**Website:** https://www.calviri.com/  
**APIs profiled:** 1

Calviri is a Phoenix, Arizona biotechnology company, founded in 2017, that develops multi-cancer diagnostic tests and therapeutic and preventative cancer vaccines for dogs and people. Its science rests on RNA-Error Derived Neoantigens (REDNs) — abnormal proteins thrown off by the error-prone RNA processing of tumor cells — which Calviri builds as peptides on semiconductor chips and then queries against an individual's blood for antibody responses, using those antibodies as sensitive biomarkers of cancer. Its lead product, StageOne Plus, is a canine multi-cancer blood test designed to detect stage 1 disease before signs appear, alongside a pipeline of canine and human therapeutic and preventative vaccines and a preventative-vaccine trial (VACCS) that enrolled 800+ dogs. Calviri is a life-sciences company with no developer program, no product API and no developer portal; the only machine-readable surface on calviri.com is the Wix-platform-generated llms.txt and the anonymous site MCP endpoint it advertises.

## Kin Score — 12.0 / 100 (minimal)

Scored 2026-08-17 under rubric 0.11.0. Trend: flat (+0.0 from 12.0).

| Facet | Score |
|---|---|
| Discoverability | 75.9 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 19.6 |
| Commercial Clarity | 0.0 |

Regulatory layer — **Health**: 15.0 (matched via tags).

## Agent readiness — 19.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| MCP Server | yes |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## APIs (1)

- **Calviri Site MCP** — An anonymous Model Context Protocol endpoint served from Calviri's own host at https://www.calviri.com/_api/mcp. It is the standard Wix "Site Visitor Assistant" server that the ...

## MCP servers (1)

- **calviri-mcp.yml**

## Security (2)

- **Calviri Authentication** — 0 schemes
- **Calviri Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, Biotechnology, Life Sciences, Health, Cancer Diagnostics, Vaccines, Veterinary, Animal Health, Research

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/calviri/). Scores are computed from the provider's own public artifacts under a published rubric.