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resend

Email Sending MCP

by resend

Get Broadcast

get-broadcast

Retrieve full details of an email broadcast by providing its ID or Resend dashboard URL, including HTML and plain text content.

Instructions

Retrieve full details of a specific broadcast by ID or Resend dashboard URL (e.g. https://resend.com/broadcasts/), including HTML and plain text content.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
broadcastIdYesBroadcast ID or Resend dashboard URL (e.g. https://resend.com/broadcasts/<id>)
Behavior4/5

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

No annotations exist, so the description carries full burden. It discloses the return includes HTML and text, which is sufficient for a read operation. No mention of auth requirements or rate limits, which is acceptable for a simple get tool.

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, concise, front-loaded with action, no redundant words.

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?

For a simple get tool with one parameter and no output schema, the description is complete: it explains what it retrieves and the content included.

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%, and the description adds no additional meaning beyond what the schema provides. Baseline of 3 is appropriate.

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 clearly states the verb 'Retrieve' and resource 'broadcast', specifies identification by ID or URL, and mentions returned content (HTML and plain text). It distinguishes from sibling tools like list-broadcasts and update-broadcast.

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?

The description implies when to use (when needing full details of a specific broadcast) but does not explicitly exclude alternatives or mention when not to use. Sibling tools are present but not referenced.

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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