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aip-identity

aip-identity

by The-Nexus-Guard
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Remote

aip_verify

Verify AI agent identities using cryptographic challenge-response authentication to establish trust in decentralized systems.

Instructions

Verify another agent's identity via cryptographic challenge-response.

Args: did: The DID of the agent to verify (e.g. did:aip:abc123...)

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "did": "<did>"
    },
    "name": "aip_verify"
  }
}

Input Schema

NameRequiredDescriptionDefault
didYes

Implementation Reference

  • aip_mcp_server/server.py:99-108 (handler)
    Implementation of the `aip_verify` tool which verifies an agent's identity using the loaded AIP client.
    @mcp.tool()
def aip_verify(did: str) -> dict:
    """Verify another agent's identity via cryptographic challenge-response.

    Args:
        did: The DID of the agent to verify (e.g. did:aip:abc123...)
    """
    client = _load_client()
    return client.verify(did)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.1

TDQS

A3.5/5.0
Behavior2/5

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

With no annotations provided, the description carries full burden but offers minimal behavioral context. It mentions 'cryptographic challenge-response' which hints at the verification mechanism, but doesn't disclose what happens during verification (e.g., network calls, timeouts, authentication requirements), what constitutes success/failure, or side effects. For a security-critical tool with zero annotation coverage, this is inadequate.

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

Conciseness4/5

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

The description is efficiently structured with a clear purpose statement followed by parameter documentation. Every sentence adds value, though the parameter documentation could be integrated more seamlessly rather than as a separate 'Args:' section. No wasted words or redundancy.

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?

For a cryptographic verification tool with no annotations and no output schema, the description is insufficient. It doesn't explain what verification returns (success/failure indicators, trust levels, timestamps), error conditions, performance characteristics, or security implications. The context demands more completeness for safe agent operation.

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?

Schema description coverage is 0%, so the description must compensate. It provides the single parameter 'did' with a clear example format ('did:aip:abc123...'), adding essential semantic meaning beyond the bare schema. However, it doesn't explain where to obtain DIDs, validation rules, or what happens with invalid DIDs.

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

Purpose5/5

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

The description clearly states the specific action ('verify another agent's identity') and method ('via cryptographic challenge-response'), distinguishing it from siblings like aip_verify_signature (which likely verifies signatures rather than identities) and aip_whoami (which likely identifies self rather than others). The verb+resource+method combination is precise and unambiguous.

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

Usage Guidelines3/5

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

The description implies usage when needing to verify another agent's identity cryptographically, but provides no explicit guidance on when to use this versus alternatives like aip_trust_score (which might provide reputation data) or aip_verify_signature. There's no mention of prerequisites, error conditions, or when-not-to-use scenarios.

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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