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WhatsApp Business API by Wassenger

by com.wassenger
OverviewDiscussionsAdmin

get_whatsapp_archived_chats

Retrieve archived WhatsApp chats. Useful for accessing historical conversations and managing chat organization.

Same as get_whatsapp_chats with action "archived".

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": {
      "device": "<device>"
    },
    "name": "get_whatsapp_archived_chats"
  }
}

Input Schema

NameRequiredDescriptionDefault
pageNoResults page, starting at 0
sortNoResult order. Defaults to the API order (most recent activity first)
limitNoNumber of WhatsApp chats per call (max 100)
deviceYesWhatsApp device ID connected to Wassenger (24 character hexadecimal string)
toDateNoEnd date (for by_date_range and archived actions)
fromDateNoStart date (for by_date_range and archived actions)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

B3.2/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full behavioral burden. It does not say the operation is read-only, how pagination/sorting behave, that results are scoped to a single device, or that fromDate/toDate only apply in this mode — the only signal is the terse equivalence note.

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?

Two short sentences with the core statement front-loaded and the sibling equivalence second. The middle clause about 'managing chat organization' is mild filler but the whole entry stays efficient.

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

Completeness3/5

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

With six parameters, no output schema, and no annotations, the description is minimally sufficient — the schema covers the inputs and the purpose is clear. It nonetheless omits pagination behavior, device scoping, and date-filter applicability, which an agent would want for correct invocation.

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%, so all six parameters including page, limit, sort, and the date range are documented in the schema itself. The description adds nothing about parameter meaning beyond referencing the 'archived' action, so the baseline 3 applies.

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?

States a specific verb and resource ('Retrieve archived WhatsApp chats') and implicitly differentiates from the general get_whatsapp_chats sibling by scope. It goes further by declaring equivalence to get_whatsapp_chats with action 'archived', which lets an agent place it precisely in the family.

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?

Says it is useful for accessing historical conversations, which implies usage, and the equivalence note hints at an alternative route via get_whatsapp_chats. But there is no explicit when-to-use-this-vs-get_whatsapp_chats, and no exclusions (e.g. that non-archived chats will not be returned).

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

All WhatsApp Business API by Wassenger toolsInspect
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