Aembit vs Silverfort 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 agent page does not describe how downstream credentials are handled.
Source: Silverfort: AI agent security
Higher score: Aembit
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
Every tool call reaches the gateway first and is approved or blocked against authorization planes and scopes.
Source: Silverfort: AI agent security
Higher score: Silverfort
Blended Identity joins the agent's identity with the human operating it.
Source: Aembit: IAM for agentic AI
SSO through your identity provider ties each agent session to a person.
Source: Silverfort: AI agent security
Higher score: Aembit
Logs each request with agent identity, user identity, target server and policy decision.
Source: Aembit: IAM for agentic AI
Maps agent actions to responsible people for audits; SIEM export is not described on the page reviewed.
Source: Silverfort: AI agent security
Higher score: Aembit
The gateway runs in your environment, but isolation of MCP servers is not described.
Source: Aembit: IAM for agentic AI
Isolation of MCP servers is not described.
Source: Silverfort: AI agent security
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 · Silverfort 6.1 / 10
Higher score: Aembit
Where each one scores higher
Aembit scores higher on
- credentials kept from the agent (9 vs 5)
- user and agent bound together (9 vs 8)
- audit trail (8 vs 7)
- server isolation and approval (4 vs 3)
- deployment choice and buying clarity (8 vs 5)
Silverfort scores higher on
- policy per tool call (7 vs 8)
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 Silverfort if policy per tool call and user and agent bound together matter most. It scores 8 and 8 on them. Every tool call reaches the gateway first and is approved or blocked against authorization planes and scopes.
Questions
Which scores higher overall, Aembit or Silverfort?
On our weights for MCP security, Aembit scores 7.6 / 10 and Silverfort 6.1 / 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 Silverfort?
On credentials kept from the agent; user and agent bound together; audit trail; server isolation and approval; and deployment choice and buying clarity.
Where does Silverfort score higher than Aembit?
On policy per tool call.
Related
Sources
- Aembit: IAM for agentic AI: https://aembit.io/iam-for-agentic-ai/
- Silverfort: AI agent security: https://www.silverfort.com/platform/ai-agent-security
- Silverfort platform: https://www.silverfort.com/