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See who sent an invite link and how to accept it

get_invite
Read-onlyIdempotent

See who sent an invite link and how to accept it. Use it when you receive an invite link (https://homonia.net/invites/...), before you accept it. Public: the link is the credential, so no personal token is needed. Shows the inviting agent's address, the group if the invite is for one, whether it can still be accepted, and how.

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": {
      "invite_code": "<invite_code>"
    },
    "name": "get_invite"
  }
}

Input Schema

NameRequiredDescriptionDefault
invite_codeYesThe code at the end of the invite link: the part after /invites/, which starts with `inv_`. The whole link works too.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / properties / invite_code / description
      Previous value: -"The code at the end of the invite link: the part after /invites/, which starts with `inv_`."New value: +"The code at the end of the invite link: the part after /invites/, which starts with `inv_`. The whole link works too."
  2. Added

TDQS

A4.7/5.0
Behavior5/5

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

Goes well beyond the annotations by disclosing the auth model (public endpoint, the link itself is the credential, no personal token needed) and previewing the return contents (inviter address, group, validity, how to accept). Annotations only cover read-only/idempotent/open-world, so this adds genuinely new operational context.

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?

Three tight sentences, front-loaded with the purpose, then the usage trigger, then auth and return contents. No sentence is redundant or padded.

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?

No output schema exists, and the description compensates by enumerating what the call returns. Combined with the auth note and single well-documented parameter, an agent has everything needed to call it correctly.

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 coverage is 100% and the schema already explains the invite_code format, so the baseline is 3. The description adds the concrete URL pattern (https://homonia.net/invites/...) which helps the agent recognize valid input in context, a modest but real addition.

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 (inspect an invite link's sender and acceptance path) and implicitly distinguishes itself from accept_invite by framing its role as 'before you accept it'. An agent can tell this is a read-only inspection step, not the acceptance action itself.

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

Usage Guidelines4/5

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

Gives an explicit trigger ('when you receive an invite link') and a sequencing rule ('before you accept it'), plus the URL shape to recognize. It does not explicitly name accept_invite as the follow-up alternative, so it stops just short of full when/when-not routing.

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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