apinizer
.
← AI Gateway Series
AI Gateway
1 / 5
AI agents on
both sides.
Who governs the
result?
The talk starts with “how do we give agents tools”.
The real question is in
what comes back.
apinizer
.
What the agent reads is governed too
AI Gateway
2 / 5
Where we
put it.
01
Inbound
REST/SOAP/AI proxies as MCP tools — fail-closed allowlist
02
A2A
AgentCard discovery · JSON-RPC 2.0 · task store · relay
03
Outbound
tool_use → bounded loop, max 5 turns
apinizer
.
What the agent reads is governed too
AI Gateway
3 / 5
The key point:
when the tool result
returns.
It re-enters the full policy chain
PII mask · DLP · prompt guard apply
Not just what the agent sends — what it reads
apinizer
.
What the agent reads is governed too
AI Gateway
4 / 5
On top:
egress protection.
SSRF guard on every egress path
Private IPs and metadata endpoints blocked
Per-tool RBAC · full audit trail
apinizer
.
What the agent reads is governed too
AI Gateway
5 / 5
Agent security limited to
“what it sends” is a
half
model.
The real risk is in what the agent brings back — to the model and the user.
Do you also govern what your
agent
brings back?
apinizer
.
What the agent reads is governed too
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