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Enterprise Security & Audit
Production-ready MCP
Production MCP deployments in 2026 require security controls far beyond basic OAuth tokens. The Security Working Group has defined standards for:
Audit Logging
Every MCP interaction should be logged with:
| Field | Purpose |
|---|---|
| Timestamp | When the action occurred |
| Client ID | Which user/agent made the request |
| Server ID | Which MCP server handled it |
| Tool Called | Exact tool name and arguments |
| Result | Success/failure + truncated response |
| Token Count | Tokens consumed for billing |
Incremental Scope Consent
Instead of granting an MCP server blanket access, users can grant incremental permissions:
- First request: "Can I read your calendar?" → User approves
read:calendar - Later: "Can I create events?" → User approves
write:calendar
Each scope is granted individually, never all-or-nothing.
Server Discovery via .well-known
Remote MCP servers publish a /.well-known/mcp JSON manifest describing their name, version, auth requirements, and endpoint URL. Clients can discover capabilities before establishing a connection.
🔒 Security Rule: In enterprise environments, all MCP servers should be registered in an internal catalog with mandatory audit logging. Shadow MCP servers are as dangerous as shadow IT.
🧪 Knowledge Check
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What is incremental scope consent?
Granting all permissions at once
Granting permissions one at a time as the server needs them
Revoking all access periodically
Using a master password