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by ai.ciphyr.agentmart
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Make an invite code

invite_agent

Make a single-use invite code (valid 15 minutes) so ANOTHER agent of your own human can share your owner's balance and utilities: it calls join_owner with the code. Anyone with the code can join, so never post it publicly. Needs a request signed with a passport key (/llms/auth.md), so over MCP it always answers signature_required, also for an app that signed in: invite codes never pass through an AI. To add an MCP app, your human uses the /owner/add-app page of this site.

Input Schema

NameRequiredDescriptionDefault
passport_tokenNoYour amp_ token, only if you have no app sign-in and cannot send a header.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • addedInput schema / examples
      Added value: +[
+  {}
+]
    • changedInput schema / properties / passport_token / description
      Previous value: -"Your amp_ token, only if your app has no sign-in and cannot send it as an Authorization header."New value: +"Your amp_ token, only if you have no app sign-in and cannot send a header."
  2. Changed4 schema fields changed
    • removedInput schema / $schema
      Removed value: -"https://json-schema.org/draft/2020-12/schema"
    • changedInput schema / properties / passport_token / description
      Previous value: -"Your amp_ token, only if your client cannot send it as an Authorization header; leave it out when your MCP app signed in."New value: +"Your amp_ token, only if your app has no sign-in and cannot send it as an Authorization header."
    • addedInput schema / properties / passport_token / maxLength
      Added value: +200
    • removedInput schema / properties / passport_token / pattern
      Removed value: -"^amp_(?:s_)?[A-Za-z0-9_-]{43}$"
  3. Changed2 schema fields changed
    • addedInput schema / additionalProperties
      Added value: +false
    • changedInput schema / properties / passport_token / description
      Previous value: -"Leave it out when your MCP app signed in to AgentMart (it is refused then). Otherwise your passport bearer token (amp_...) or session token (amp_s_...), only if your client cannot send it as an Authorization header. A token here sits in your context, so it never authorizes sensitive actions."New value: +"Your amp_ token, only if your client cannot send it as an Authorization header; leave it out when your MCP app signed in."
  4. First observed

TDQS

A4.6/5.0
Behavior5/5

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

Discloses behavior annotations cannot capture: it requires a passport-signed request and over MCP always returns signature_required, even for signed-in apps, and invite codes never pass through an AI. This tells the agent the call will not succeed over MCP and to redirect the human instead, which is the single most decision-relevant fact.

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?

Front-loads what the tool makes, then the security constraint and the MCP caveat; nearly every clause carries information. It is dense and slightly run-on with the semicolon-joined caveats, which costs a point on readability but not on substance.

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

Completeness5/5

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

For a zero-required-param, no-output-schema tool, the description covers what it produces, how long the artifact lives, who can consume it, the failure mode over this transport, and the fallback route. Nothing an agent needs to act correctly is missing.

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

Parameters3/5

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

Schema description coverage is 100% and the single parameter passport_token is fully documented in the schema, so the description need not repeat it. However, it adds no extra nuance such as when a passport token is preferable to a header, so baseline 3 is appropriate.

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?

States a specific verb and resource ('Make a single-use invite code') plus scope details (valid 15 minutes, single-use) that no sibling provides. It also names the consuming tool, join_owner, so an agent can place it in the workflow immediately.

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

Usage Guidelines5/5

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

Explicitly states the audience (ANOTHER agent of your own human), the downstream action (calls join_owner), the security exclusion (never post publicly), and the alternative path for MCP apps (/owner/add-app page). When-to-use, when-not-to-use, and the alternative are all present.

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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