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twining_acknowledge

Record agent acceptance of handoffs to track responsibility transfers in collaborative development workflows.

Instructions

Acknowledge receipt of a handoff, recording which agent picked it up.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
handoff_idYesID of the handoff to acknowledge
agent_idYesID of the agent acknowledging the handoff

Implementation Reference

  • The handler for the twining_acknowledge tool, which calls the coordinationEngine.acknowledgeHandoff method.
    async (args) => {
      try {
        const record = await coordinationEngine.acknowledgeHandoff(
          args.handoff_id,
          args.agent_id,
        );
        return toolResult({
          id: record.id,
          acknowledged_by: record.acknowledged_by,
          acknowledged_at: record.acknowledged_at,
          summary: record.summary,
          source_agent: record.source_agent,
        });
      } catch (e) {
        return toolError(
          e instanceof Error ? e.message : "Unknown error",
          "INTERNAL_ERROR",
        );
      }
    },
  • Registration of the twining_acknowledge tool in the coordination tools server.
    server.registerTool(
      "twining_acknowledge",
      {
        description:
          "Acknowledge receipt of a handoff, recording which agent picked it up.",
        inputSchema: {
          handoff_id: z
            .string()
            .describe("ID of the handoff to acknowledge"),
          agent_id: z
            .string()
            .describe("ID of the agent acknowledging the handoff"),
        },
      },
      async (args) => {
        try {
          const record = await coordinationEngine.acknowledgeHandoff(
            args.handoff_id,
            args.agent_id,
          );
          return toolResult({
            id: record.id,
            acknowledged_by: record.acknowledged_by,
            acknowledged_at: record.acknowledged_at,
            summary: record.summary,
            source_agent: record.source_agent,
          });
        } catch (e) {
          return toolError(
            e instanceof Error ? e.message : "Unknown error",
            "INTERNAL_ERROR",
          );
        }
      },
    );
  • The implementation of acknowledgeHandoff within the CoordinationEngine class, which interacts with the handoffStore.
    /** Acknowledge receipt of a handoff. */
    async acknowledgeHandoff(
      handoffId: string,
      agentId: string,
    ): Promise<HandoffRecord> {
      return this.handoffStore.acknowledge(handoffId, agentId);
    }
Behavior2/5

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

No annotations are provided, so the description carries full burden. It states the tool records acknowledgment, implying a write operation, but doesn't disclose behavioral traits like permissions needed, idempotency, side effects, or response format. This is inadequate for a mutation tool with zero annotation coverage.

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?

Single sentence, zero waste, front-loaded with the core action. Every word earns its place by specifying the purpose without redundancy.

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?

Given no annotations and no output schema, the description is incomplete for a mutation tool. It lacks information on what happens after acknowledgment (e.g., status changes, return values, errors), permissions, or system behavior, leaving significant gaps for agent usage.

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 both parameters fully. The description adds no additional meaning beyond what the schema provides (e.g., no context on ID formats or relationships), meeting the baseline for high schema coverage.

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 clearly states the action ('acknowledge receipt') and resource ('handoff'), specifying that it records which agent picked it up. It distinguishes from siblings like 'twining_handoff' (likely creating handoffs) and 'twining_dismiss' (likely rejecting handoffs), but doesn't explicitly name alternatives.

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?

No explicit guidance on when to use this tool versus alternatives like 'twining_dismiss' or 'twining_handoff'. The description implies usage after receiving a handoff, but lacks context about prerequisites, timing, 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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