On August 5th, Anthropic introduced a feature that sounds technical at first but is pretty central for companies: Inference Hooks. In short, Anthropic is putting a checkpoint in front of every prompt. Before Claude even starts to answer, your company’s security server can decide — let it through, or block it.
How it works
When an organization turns on Inference Hooks, every request routes over a signed WebSocket connection to your own security server. Claude sends the prompt and its context there and waits for a verdict. Only once an ‘allow’ comes back does the model generate. The same applies to tool calls: when Claude calls a tool — including through MCP, skills, or plugins — the response is checked before it goes back to the model.
The verdict is binary: allow or deny. The server can’t rewrite a prompt or redact parts of it, only pass it fully or stop it fully. The most common use is data loss prevention (DLP) — keeping sensitive data from ever reaching the model. But Anthropic names other uses too: real-time transcript archival, telemetry captured at the moment of use, or custom policy engines like model allowlists.
What matters in practice: it’s all built on an open, webhook-based protocol with a published schema. If you already run Netskope, Palo Alto, Proofpoint, or Zscaler, you can just point Claude at the same server. And for a gentle start there’s a shadow mode (always allow, just observe), role-based exclusions, and percentage-based rollouts.
My take
Until now, native inline control only existed in Claude Code via client-side hooks. Inference Hooks closes the gap and covers every enterprise surface with a single configuration. This is exactly the kind of feature that looks boring in a demo and makes the difference in a security meeting.
To me this is a clear signal of who Anthropic is aiming at: not the single enthusiastic developer, but the compliance team that would otherwise say ‘no’. If you want to roll out AI in a regulated environment, you rarely fail on the model and often on the question of who controls the data flow. That’s precisely what this feature answers. A bit of caution remains: pure allow-or-deny with no redaction is blunt — either the whole prompt goes through or none of it. Even so, as a first step it’s a sensible, honest building block.
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