Tool-Call Authorization
Tool-call authorization is the process of deciding, at the moment an agent attempts to invoke a tool, whether that invocation is permitted based on the agent's identity, task context, policy, and intent.
Why this matters for AI agents
Authentication tells you who is calling. Tool-call authorization answers whether the call should proceed right now, for this task, from this agent.
How AgntID relates
Tool-call authorization is the core capability AgntID provides—it evaluates each tools/call request against access policy before execution, returning allow with scoped credentials or deny with a structured reason.
The static IAM gap
IAM does not perform per-call authorization for tool invocations. It assigns roles and permissions but cannot evaluate each individual call against dynamic task context.
Related phrases
Related terms
Frequently asked questions
What is tool-call authorization?
Tool-call authorization is the process of deciding, at the moment an agent attempts to invoke a tool, whether that invocation is permitted based on the agent's identity, task context, policy, and intent.
How is tool-call authorization different from authentication?
Authentication tells you who is calling. Tool-call authorization answers whether the call should proceed right now, for this task, from this agent.
How does AgntID implement tool-call authorization?
AgntID evaluates each tools/call request against access policy before execution, returning allow with scoped credentials or deny with a structured reason.
Secure every agent tool call at execution time.
AgntID gives infrastructure teams scoped, ephemeral access control for AI agents without replacing IAM, MCP servers, tools, or agent frameworks.