# Nebula Security

**Canonical:** https://apis.io/providers/nebula-security/  
**Website:** https://nebusec.ai  
**APIs profiled:** 0

Nebula Security is an AI-native cybersecurity company backed by Y Combinator (S26) and founded by world-class hackers — members of a top CTF team, DEF CON winners, Black Hat speakers, and cybersecurity PhDs. Its product, Vega, is an AI security agent that audits codebases for vulnerabilities on the Vega backend, alongside human-led product security auditing. Vega runs from the terminal via the Vega CLI (`vega`), which is distributed as an installable Agent Skill and an npm/global binary, authenticates with an API key or OAuth login, and exposes a project → repository → scan → finding drill-down. The team publishes vulnerability research (e.g. an nginx RCE, CVE-2026-42530) and positions "Audited by Nebula Security" as a product credibility marker.

## Kin Score — 22.7 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 22.7).

| Facet | Score |
|---|---|
| Discoverability | 57.4 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 2.6 |
| Developer Ergonomics | 61.9 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

## Agent readiness — 16.2 (agent-aware)

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

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## Security (2)

- **Nebula Security Authentication** — apiKey/oauth2 · 2 schemes
- **Nebula Security Domain Security** — TLSv1.3 · DMARC

## Tags

Company, Security, Cybersecurity, Vulnerability Management, Application Security, Code Scanning, Artificial Intelligence, Developer Tools, CLI

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