# Viracta Therapeutics (formerly Sunesis)

**Canonical:** https://apis.io/providers/viracta-therapeutics-formerly-sunesis/  
**Website:** https://www.viracta.com  
**APIs profiled:** 0

Viracta Therapeutics, Inc. is a precision oncology company formerly known as Sunesis, based in Cardiff, CA, now located in Foxboro, MA. The company focuses on developing targeted therapies for cancer patients, leveraging advanced molecular profiling and innovative drug development platforms. Although no longer operating, its legacy includes a portfolio of oncology assets and collaborations. Contact can be made via email at Viracta@vlpc.com or through its SEC filings.

## Kin Score — 3.1 / 100 (minimal)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 44.6 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 5.9 (matched via fallback).

## Agent readiness — 3.1 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | no |
| 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 |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |

## Security (1)

- **Viracta Therapeutics Formerly Sunesis Domain Security** — TLSv1.3 · DMARC

## Tags

Company, Oncology, Precision Medicine, Biotechnology, Formerly Sunesis

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