# VulnCheck

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

VulnCheck is an exploit and vulnerability intelligence company that supplies machine-readable data on known exploited vulnerabilities, exploit maturity, threat-actor activity, initial-access exploitation, IP and target intelligence, CPE/PURL identity and vendor advisories. Its Exploit & Vulnerability Intelligence platform enriches CVE records ahead of NIST NVD, publishes the VulnCheck KEV catalog, and exposes everything through a 521-operation REST API at api.vulncheck.com/v3 covering 490+ named indices, alongside a Go SDK, Python SDK, a scripting/agent-oriented CLI, an MCP server and a published Claude Code agent skill. A free Community tier provides VulnCheck KEV and NVD++ data.

## Kin Score — 49.7 / 100 (developing)

Scored 2026-09-04 under rubric 0.18.3.

| Facet | Score |
|---|---|
| Discoverability | 68.5 |
| Contract Quality | 26.7 |
| Governance | 4.5 |
| Contract Governance | 4.5 |
| Operational Transparency | 68.4 |
| Developer Ergonomics | 78.6 |
| Commercial Clarity | 55.3 |
| Access Clarity | 55.3 |

## Agent readiness — 27.9 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | documented |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | yes |
| 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 |

## APIs (1)

- **VulnCheck API** — Version 3 of the VulnCheck API. A read-only REST API exposing VulnCheck's exploit and vulnerability intelligence: 490+ named indices browsable at /index/{name}, CVE and CPE sear...

## MCP servers (1)

- **VulnCheck MCP Server**

## Security (3)

- **Vulncheck Authentication** — apiKey · 3 schemes
- **Vulncheck Domain Security** — TLSv1.3 · DMARC
- **Vulncheck Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Vulncheck Plans Pricing**

## Tags

Company, Security, Vulnerability Intelligence, Exploit Intelligence, Threat Intelligence, Cybersecurity, CVE, Vulnerability Management, Data

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