Aembit vs NewCore for MCP security
SHORT ANSWER
Editorial assessment · Desk research from public vendor material · Reviewed 2026-09-29
Scores by criterion
Agents never hold direct credentials for MCP servers; Aembit mints and exchanges them at request time.
Source: Aembit: IAM for agentic AI
The MCP gateway executes calls "with credentials the agent never sees".
Source: NewCore: Agent Guardian
Higher score: Tie
A policy decision is recorded for every MCP request; tool-level rules are not detailed on the page reviewed.
Source: Aembit: IAM for agentic AI
Each call is checked at the operation level, with optional human approval.
Source: NewCore: Agent Guardian
Higher score: NewCore
Blended Identity joins the agent's identity with the human operating it.
Source: Aembit: IAM for agentic AI
Every action is tied to the agent, the accountable human or team, and the policy.
Source: NewCore: Agent Guardian
Higher score: Aembit
Logs each request with agent identity, user identity, target server and policy decision.
Source: Aembit: IAM for agentic AI
Audit records cover agent, accountable party, policy, tool and requested action.
Source: NewCore: Agent Guardian
Higher score: Tie
The gateway runs in your environment, but isolation of MCP servers is not described.
Source: Aembit: IAM for agentic AI
Isolation of MCP servers themselves is not described.
Source: NewCore: Agent Guardian
Higher score: Aembit
Free-forever tier; gateway deploys as a Linux VM in your environment.
Source: Aembit: IAM for agentic AI
Higher score: Aembit
Weighted total
Aembit 7.6 / 10 · NewCore 7.4 / 10
Higher score: Aembit
Where each one scores higher
Aembit scores higher on
- user and agent bound together (9 vs 8)
- server isolation and approval (4 vs 3)
- deployment choice and buying clarity (8 vs 4)
NewCore scores higher on
- policy per tool call (7 vs 9)
Pricing, side by side
Aembit
Free-forever tier. Paid plan prices are not on the pages reviewed.
Source: Aembit: IAM for agentic AI
As published on 2026-09-29.
Which should you choose?
Choose Aembit if credentials kept from the agent and user and agent bound together matter most. It scores 9 and 9 on them. Agents never hold direct credentials for MCP servers; Aembit mints and exchanges them at request time.
Choose NewCore if credentials kept from the agent and policy per tool call matter most. It scores 9 and 9 on them. The MCP gateway executes calls "with credentials the agent never sees".
Questions
Which scores higher overall, Aembit or NewCore?
On our weights for MCP security, Aembit scores 7.6 / 10 and NewCore 7.4 / 10. Totals are the weighted average of six criterion scores; the weights are listed on the MCP security page.
Where does Aembit score higher than NewCore?
On user and agent bound together; server isolation and approval; and deployment choice and buying clarity.
Where does NewCore score higher than Aembit?
On policy per tool call.
Related
Sources
- Aembit: IAM for agentic AI: https://aembit.io/iam-for-agentic-ai/
- NewCore: Agent Guardian: https://newcore.com/platform/agent-guardian
- NewCore home page: https://newcore.com/