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messages_forward

Destructive

Forward a message from one thread to another. Supports native Telegram forwarding (preserves original sender attribution) and text-based forwarding for cross-channel scenarios.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
in_workspaceNoRun this one call in this workspace id instead of the session's. Nothing is stored; other sessions are not affected.
dest_thread_idNoDestination thread to forward into. Provide at least one of dest_thread_id or recipient_name. To forward into the active conversation, pass the current thread_id. (If both are provided, dest_thread_id wins and recipient_name is ignored.)
recipient_nameNoName of person to forward to (channel auto-resolved). Provide at least one of dest_thread_id or recipient_name. Use only when forwarding to a different contact than the current conversation.
source_thread_idYesThread containing the message to forward (e.g., 'telegram:123456' or numeric DB ID)
source_message_idYesID of the message to forward

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • addedInput schema / properties / in_workspace
      Added value: +{
      +  "description": "Run this one call in this workspace id instead of the session's. Nothing is stored; other sessions are not affected.",
      +  "type": "integer"
      +}
  2. Added
  3. Removed
  4. First observed

TDQS

A3.8/5.0
Behavior4/5

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

Annotations already declare the mutation (readOnlyHint=false, destructiveHint=true, idempotentHint=false), so the safety profile is covered. The description adds real behavioral nuance beyond that: native forwarding 'preserves original sender attribution' while text-based forwarding does not, which matters to an agent picking a mode. It stops short of disclosing permissions or effects on the destination.

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?

Two sentences, zero filler, with the core action front-loaded and the mode distinction immediately after. Every sentence earns its place.

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

Completeness4/5

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

For a forward tool with no output schema and full schema coverage of parameters, the description supplies the key behavioral distinction an agent needs. It omits prerequisites (e.g., that the destination channel/contact must be resolvable) but is otherwise sufficient.

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 the schema already documents all five parameters, including the dest_thread_id/recipient_name precedence rules. The description adds no parameter-level detail, 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: 'Forward a message from one thread to another.' This is clear and distinguishable from siblings like messages_send or messages_edit. However, it never names or contrasts those siblings, which is what a 5 requires.

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 hints at usage context by contrasting native Telegram forwarding against 'text-based forwarding for cross-channel scenarios,' but it never says when to choose this tool over messages_send or how the mode is selected. Usage is implied rather than instructed.

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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