hires_send_candidate_message

Schedule an email to a candidate; without scheduled_at it is sent 15 minutes after creation.

SERVER100Hires - AI ATS & Recruitment Software SOURCEhttps://mcp.100hires.com/mcp

Medium RISK CLASS

Category Write

Parameters 114 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/com-100hires-100hires/hires-send-candidate-message.md

WHAT IT DOES

What hires_send_candidate_message does on 100Hires - AI ATS & Recruitment Software

AI agents use hires_send_candidate_message to create or update resources in 100Hires - AI ATS & Recruitment Software, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your 100Hires - AI ATS & Recruitment Software environment.

Parameter	Type	Required	Description
`cc`	array	—
`id`	string \| number	Yes	Candidate id or alias
`to`	array	Yes	Recipient emails
`bcc`	array	—
`body`	string	Yes	HTML
`subject`	string	Yes
`scheduled_at`	number \| null	—	Unix seconds; default: now + 15 min
`application_id`	number \| null	—
`from_account_id`	number \| null	—	Mail account id; default: the API key owner's default account
`reply_to_email_id`	number \| null	—	Mailbox message id to reply to
`send_in_new_thread`	boolean	—	Start a new thread instead of replying

Parameters from the server's own tool schema.

RISK

Why hires_send_candidate_message is rated Medium

An AI agent can call hires_send_candidate_message faster than any human can review: one bad instruction and it creates or modifies resources in 100Hires - AI ATS & Recruitment Software by the hundred, each call as confident as the last.

Risk signalsAccepts raw HTML/template content (body) · High parameter count (11 properties)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hires_send_candidate_message safely

PolicyLayer is an MCP gateway: it sits between your AI agents and 100Hires - AI ATS & Recruitment Software, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hires_send_candidate_message, this is the rule to start with:

hires_send_candidate_message Rate-limited

hires_send_candidate_message stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "hires_send_candidate_message": {
      "limits": [
        {
          "counter": "hires_send_candidate_message_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect 100Hires - AI ATS & Recruitment Software, apply this rule, and every hires_send_candidate_message call is checked against it from then on.

FAQ

Questions about hires_send_candidate_message

What does the hires_send_candidate_message tool do? +

Schedule an email to a candidate; without scheduled_at it is sent 15 minutes after creation. It is categorised as a Write tool in the 100Hires - AI ATS & Recruitment Software MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does hires_send_candidate_message accept? +

hires_send_candidate_message accepts 11 parameters: cc, id, to, bcc, body, subject, scheduled_at, application_id, from_account_id, reply_to_email_id, send_in_new_thread. Required: id, to, body, subject. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on hires_send_candidate_message? +

Register the 100Hires - AI ATS & Recruitment Software MCP server in PolicyLayer and add a rule for hires_send_candidate_message: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches 100Hires - AI ATS & Recruitment Software. Nothing to install.

What risk level is hires_send_candidate_message? +

hires_send_candidate_message is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit hires_send_candidate_message? +

Yes. Add a rate_limit block to the hires_send_candidate_message rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block hires_send_candidate_message completely? +

Set action: deny in the PolicyLayer policy for hires_send_candidate_message. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides hires_send_candidate_message? +

hires_send_candidate_message is provided by the 100Hires - AI ATS & Recruitment Software MCP server (https://mcp.100hires.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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