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agentcore_identity

Manage secure authentication and authorization for AI agents within the AWS AgentCore framework to ensure enterprise-grade identity management.

Instructions

Documentation on AgentCore Identity for secure agent authentication and authorization.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Implementation Reference

  • The agentcore_identity tool handler: an async function decorated with @mcp.tool() that reads and returns the content of 'identity.md' from package resources.
    @mcp.tool()
    async def agentcore_identity() -> str:
        """Documentation on AgentCore Identity for secure agent authentication and authorization."""
        return pkg_resources.joinpath("content", "identity.md").read_text(
            encoding="utf-8"
        )
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full burden of behavioral disclosure. It hints at security functions ('secure agent authentication and authorization') but doesn't specify whether this is a read-only informational tool, a configuration tool, or something else. It lacks details on permissions needed, side effects, rate limits, or what the output contains, making it insufficient for a tool with potential security implications.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence that is reasonably concise, but it's not front-loaded with the most critical information. It starts with 'Documentation on...' which is ambiguous—it could mean the tool provides documentation or is itself documented. While not wasteful, it could be more direct and structured for clarity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity implied by 'secure agent authentication and authorization' and the presence of an output schema (which suggests structured returns), the description is incomplete. It doesn't explain what the tool returns (e.g., identity tokens, user info, permissions) or how it integrates with siblings. With no annotations and a vague purpose, this leaves significant gaps for an agent to use it effectively.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool has 0 parameters with 100% schema description coverage, so no parameter documentation is needed. The description doesn't add parameter details, which is appropriate here. A baseline of 4 is given since the schema fully covers the absence of parameters, and the description doesn't need to compensate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose2/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description 'Documentation on AgentCore Identity for secure agent authentication and authorization' is vague about what the tool actually does. It mentions a topic area (authentication/authorization) but doesn't specify a clear action verb or what resource it operates on. It's better than a tautology but doesn't clearly distinguish this tool from its siblings like agentcore_gateway or agentcore_tools which might also handle security aspects.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no guidance on when to use this tool versus alternatives. There's no mention of specific contexts, prerequisites, or comparisons with sibling tools like agentcore_gateway (which might handle routing) or agentcore_tools (which might manage tool access). This leaves the agent with no usage direction.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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