NewCore vs Silverfort for MCP security
SHORT ANSWER
Editorial assessment · Desk research from public vendor material · Reviewed 2026-09-29
Scores by criterion
The MCP gateway executes calls "with credentials the agent never sees".
Source: NewCore: Agent Guardian
The agent page does not describe how downstream credentials are handled.
Source: Silverfort: AI agent security
Higher score: NewCore
Each call is checked at the operation level, with optional human approval.
Source: NewCore: Agent Guardian
Every tool call reaches the gateway first and is approved or blocked against authorization planes and scopes.
Source: Silverfort: AI agent security
Higher score: NewCore
Every action is tied to the agent, the accountable human or team, and the policy.
Source: NewCore: Agent Guardian
SSO through your identity provider ties each agent session to a person.
Source: Silverfort: AI agent security
Higher score: Tie
Audit records cover agent, accountable party, policy, tool and requested action.
Source: NewCore: Agent Guardian
Maps agent actions to responsible people for audits; SIEM export is not described on the page reviewed.
Source: Silverfort: AI agent security
Higher score: NewCore
Isolation of MCP servers themselves is not described.
Source: NewCore: Agent Guardian
Isolation of MCP servers is not described.
Source: Silverfort: AI agent security
Higher score: Tie
Weighted total
NewCore 7.4 / 10 · Silverfort 6.1 / 10
Higher score: NewCore
Where each one scores higher
NewCore scores higher on
- credentials kept from the agent (9 vs 5)
- policy per tool call (9 vs 8)
- audit trail (8 vs 7)
Silverfort scores higher on
- deployment choice and buying clarity (4 vs 5)
Pricing, side by side
Which should you choose?
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".
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, NewCore or Silverfort?
On our weights for MCP security, NewCore scores 7.4 / 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 NewCore score higher than Silverfort?
On credentials kept from the agent, policy per tool call and audit trail.
Where does Silverfort score higher than NewCore?
On deployment choice and buying clarity.
Related
Sources
- NewCore: Agent Guardian: https://newcore.com/platform/agent-guardian
- NewCore home page: https://newcore.com/
- Silverfort: AI agent security: https://www.silverfort.com/platform/ai-agent-security
- Silverfort platform: https://www.silverfort.com/