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agent-passport-system-mcp

agent-passport-system-mcp

by agent-passport-system
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TypeScript

Generate Ed25519 Keypair

generate_keys
Read-onlyIdempotent

Create an Ed25519 keypair for AI agent identity, enabling signed communication and verification.

Instructions

Generate an Ed25519 keypair for agent identity.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "generate_keys"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv4.0.0
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
  2. Addedv2.8.0

TDQS

C2.9/5.0
Behavior1/5

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

The description asserts fresh generation of key material, yet the annotations declare idempotentHint=true and readOnlyHint=true — repeated identical calls cannot yield an identical freshly generated keypair, and generation produces new material rather than reading state. The description neither reconciles this nor discloses where the private key goes, so the declared behavior is misleading rather than merely thin.

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

Conciseness5/5

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

One sentence, front-loaded with verb and resource, with zero filler. There is nothing to trim.

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?

With no output schema and an empty parameter schema, the description is the only place an agent could learn what actually comes back (public key only? full keypair? persisted server-side?) and whether secrets must be handled by the caller. None of that is present, so a key-material-producing tool is under-specified at the point where it matters most.

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 takes zero parameters, so the baseline is 4 and there is no schema surface the description could clarify. Nothing about parameter semantics is missing.

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

Purpose4/5

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

The description states a specific verb ('Generate') and resource ('Ed25519 keypair') plus an intended use ('for agent identity'), so an agent knows exactly what the tool produces. It does not differentiate itself from nearby siblings such as rotate_key or is_key_active, which is the only thing keeping it from a 5.

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

Usage Guidelines2/5

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

There is no when-to-use guidance, no prerequisite (e.g., whether an agent must already be registered), and no routing versus rotate_key, which also concerns key material. The phrase 'for agent identity' hints at context but states no conditions or exclusions.

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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