Model and agent supply chain · #1 by signal score
AIR
Context firewall for AI agents: vets skills, plugins, MCP servers, and sub-agents before they are installed, keeps a marketplace of approved add-ons, discovers sanctioned and shadow agents, and blocks malicious agent actions at runtime.
31Signal score / 100
- Capital
- 10.7/35
- Product
- 10/25
- Standards
- 0/20(not yet assessed)
- Momentum
- 10/20
Identity primitives
| Agent as a first-class identity | No public claim found |
| On-behalf-of token exchange | Not checked |
| Cross App Access (ID-JAG) | Not checked |
| Asynchronous human approval (CIBA) | Not checked |
| MCP authorization conformance | Not checked |
| Fine-grained authorization | Not checked |
| Short-lived, secretless credentials | Not checked |
| Token vault | Not checked |
| Kill switch | No public claim found |
| Per-action audit chain | No public claim found |
Company
HQ: US
Funding: $50M disclosed, latest Seed
Product: AIR Filter
Sources
- AIR: context firewall for AI agents (vendor, accessed 2026-09-24)
- AIR research: Plugin4Shell (vendor, accessed 2026-09-24)
- AI agent firewall startup AIR Security emerges from stealth with $50 million (trade-press, accessed 2026-09-24)
- AIR raises $50M to help companies vet the skills and add-ons AI agents use (trade-press, accessed 2026-09-24)
Last verified 2026-09-24.