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SendGrid MCP Server

SendGrid MCP Server

by deyikong
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

Open Single Send Creator

open_single_send_creator
Read-onlyIdempotent

Open SendGrid's single send creator in your browser to compose and send a single email campaign.

Instructions

Open SendGrid single send creator in browser

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "open_single_send_creator"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A4.1/5.0
Behavior3/5

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

Annotations already declare this as read-only, idempotent, and non-destructive. The description adds only that the action happens in the browser, which is mildly useful context but does not substantially expand on the behavior beyond the annotations.

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?

The description is a single, front-loaded sentence with no wasted words. Every word contributes to identifying the tool's purpose and behavior.

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 zero-parameter navigation tool with annotations covering safety and no output schema, this description is complete enough for an agent to invoke it correctly. No additional parameter or return-value documentation is needed.

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?

There are no parameters, so the description has little to add over the input schema. The baseline for a zero-parameter tool is 4, and the description adequately reflects that no inputs are required.

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 ('open') and resource ('SendGrid single send creator'), and specifies that the action happens 'in browser'. This makes it clearly distinguishable from sibling tools like open_automation_creator and list_single_sends.

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 implies the tool is used when a user wants to open the Single Send creation UI, but it does not explicitly mention when to prefer this over alternatives such as list_single_sends or get_single_send. No exclusions or alternative routing are provided.

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

Deploy Server

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