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100Hires MCP Server

100Hires MCP Server

Official
by 100Hires
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

hires_update_notification_message

Update scheduled notification emails before sending. Modify subject and body, and optionally reschedule the send time.

Instructions

Update a scheduled notification email before it is sent. Change subject, body, and optionally reschedule the send time. Only scheduled (not yet sent) messages can be updated.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "id": "<id>",
      "subject": "<subject>",
      "body": "<body>"
    },
    "name": "hires_update_notification_message"
  }
}

Input Schema

NameRequiredDescriptionDefault
idYesNotification email message ID.
bodyYesEmail body as HTML.
subjectYesEmail subject line.
scheduled_atNoUnix timestamp (seconds) to reschedule send time. If omitted, the existing schedule is preserved.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.3

TDQS

A4/5.0
Behavior3/5

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

With no annotations, the description discloses a key constraint: the message must be scheduled and not sent. However, it does not explain what happens if the constraint is violated, whether changes are reversible, or what response to expect.

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 concise sentences front-load the purpose and key constraint. Every word earns its place, with no redundant filler.

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 simple update tool with fully documented parameters, the description provides enough context for selection and invocation. It lacks only minor details like return value or exact error behavior, but no output schema exists to set that expectation.

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 parameters are already well documented. The description adds a little by noting that rescheduling is optional and by summarizing subject/body, but does not go beyond the schema.

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 action ('Update a scheduled notification email') and resource, clearly distinguishing it from siblings like get/delete/cancel. It also specifies what can be changed: subject, body, and optionally scheduled time.

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 gives clear context: only scheduled, not-yet-sent messages can be updated. This tells when the tool is applicable and implies exclusion of already-sent messages, though it does not name an alternative for those cases.

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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