MCP Authorization Gap
The MCP authorization gap is the missing layer between authenticating access to an MCP server and authorizing a specific tool call for a specific task—a gap that leaves agent tool invocations ungoverned.
Why this matters for AI agents
MCP authentication proves that a client connected to the server. It does not decide whether the connected agent should invoke a specific tool for a specific task. That decision falls through the gap.
How AgntID relates
AgntID closes the MCP authorization gap by sitting in the MCP request path and evaluating per-tool, per-task access decisions that MCP itself does not provide.
The static IAM gap
IAM can protect the MCP server at the service level. Neither IAM nor MCP handles per-tool authorization within an authenticated session.
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Frequently asked questions
What is the MCP authorization gap?
The MCP authorization gap is the missing layer between authenticating access to an MCP server and authorizing a specific tool call for a specific task—a gap that leaves agent tool invocations ungoverned.
Why doesn't MCP authentication close the authorization gap?
MCP authentication proves a client connected to the server. It does not decide whether the connected agent should invoke a specific tool for a specific task—that decision falls through the gap.
How does AgntID close the MCP authorization gap?
AgntID closes the MCP authorization gap by sitting in the MCP request path and evaluating per-tool, per-task access decisions that MCP itself does not provide.
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.