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Conduit Agentic Commerce

Email a supplier or carrier

agent_outreach
Idempotent

Email outside addresses (suppliers, carriers). to is a string email, { email }, or { emails } (max 5). Not to=all and not a Hub user_id / role — those are agent_notify. Linked agents set Reply-To to an org member (default OWNER). No action buttons. Channel is email.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
toYesOutside address(es): a string email, { email }, or { emails } (max 5). Not to=all and not a Hub user_id / role — those are agent_notify.
bodyYesPlain-text body, max 4000 characters. URLs stay escaped text, not buttons.
titleYesSubject line, max 120 characters
channelNoDelivery channel. Email only — omit or pass email
dry_runNoIf true, resolve recipients and from-address without sending or storing
agent_idYesAuthenticated agent sending the note
order_idNoOptional order correlation
reply_toNoLinked only: who receives replies. { email } or { role } matching a member. Omit to default to the OWNER. Unlinked agents have no Reply-To.
search_idNoOptional search correlation
session_tokenNoSession token from agent_authenticate — required whenever agent_id is passed
idempotency_keyNoReplay key — same agent + key returns the original outreach_id without sending again

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
fromNo
hintNo
nextNo
errorNo
detailNo
failedNo
channelNo
dry_runNo
reply_toNo
deliveredNo
recipientsNo
outreach_idNo
idempotent_replayNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed2 schema fields changed
    • addedOutput schema / properties / next / properties / args / additionalProperties / anyOf
      Added value: +[
      +  {
      +    "type": "string"
      +  },
      +  {
      +    "type": "number"
      +  },
      +  {
      +    "type": "boolean"
      +  }
      +]
    • removedOutput schema / properties / next / properties / args / additionalProperties / type
      Removed value: -"string"
  2. Changed2 schema fields changed
    • removedOutput schema / properties / idempotentReplay
      Removed value: -{
      -  "type": "boolean"
      -}
    • addedOutput schema / properties / idempotent_replay
      Added value: +{
      +  "type": "boolean"
      +}
  3. Added

TDQS

A4.6/5.0
Behavior4/5

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

Annotations already cover readOnly, destructive, openWorld, and idempotent hints. The description adds beyond them by disclosing that emails have 'No action buttons' and that linked agents' Reply-To defaults to OWNER. This enriches the agent's mental model of the side effects without contradicting any annotation.

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?

Four short, dense sentences cover purpose, recipient constraints, sibling differentiation, and Reply-To behavior. Every sentence earns its place; no filler or redundancy. The critical caveat about agent_notify is front-loaded for immediate decision-making.

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?

Given the schema describes all 11 parameters and the output schema exists, the description doesn't need to explain default return shapes or every field. It covers the essential usage decision (external vs internal recipients) and a couple of behavioral nuances. Minor gaps like how to identify a 'linked agent' are already addressed in the schema's reply_to description, so completeness is high.

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%, so baseline is 3. The description adds value by summarizing the accepted `to` formats ('string email, { email }, or { emails } (max 5)') and explicitly excluding internal Hub identifiers, reducing misuse risk. It does not re-document every parameter but highlights the most error-prone one effectively.

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?

The description states a specific verb and resource: 'Email outside addresses (suppliers, carriers)'. It explicitly contrasts with agent_notify for internal messages, making the tool's scope crystal clear and differentiating it from its most similar sibling.

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?

The description provides explicit when-to-use vs when-not-to-use guidance: 'Not to=all and not a Hub user_id / role — those are agent_notify.' It also clarifies the recipient format constraints (max 5, outside addresses only) and Reply-To behavior, leaving no ambiguity about invocation conditions.

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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