candidate_create_note

THE RISK

Medium Risk

Why candidate_create_note needs a policy

This tool creates new note records associated with candidates in the hiring pipeline. While notes can theoretically be deleted or modified later, the primary action is to write/create data reversibly.

From the tool's definition Tool description states it will 'Add a note to a candidate,' which creates new data (a note) in the Ashby ATS system. The mention of 'HTML formatting in the note body' confirms this is a write operation that persists data.

Documented attack patterns abuse exactly the kind of access candidate_create_note gives an agent:

POLICY

How to control candidate_create_note

PolicyLayer is an MCP gateway — it sits between your AI agents and Ashby MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for candidate_create_note:

policy.json

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

candidate_create_note 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.

Create a free account and register Ashby MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Ashby MCP Server tools

Write application_change_stage Move an application to a different interview stage. Write application_create Create an application linking a candidate to a job. Write candidate_add_tag Add a tag to a candidate. This is a WRITE operation. Write candidate_create Create a new candidate in Ashby. Only Read application_info Get full details for a single application by ID. Returns candidate, job, Read application_list List applications (candidates in a hiring pipeline). Filter by jobId to see Read candidate_full_profile Get a complete view of a candidate: their info, all applications (with job Read candidate_info Get details of a single candidate by ID. For a complete profile including

All 21 Ashby MCP Server tools →

Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about candidate_create_note

What does the candidate_create_note tool do? +

Add a note to a candidate. Supports HTML formatting in the note body. It is categorised as a Write tool in the Ashby MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on candidate_create_note? +

Register the Ashby MCP Server MCP server in PolicyLayer and add a rule for candidate_create_note: 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 Ashby MCP Server. Nothing to install.

What risk level is candidate_create_note? +

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

Can I rate-limit candidate_create_note? +

Yes. Add a rate_limit block to the candidate_create_note 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 candidate_create_note completely? +

Set action: deny in the PolicyLayer policy for candidate_create_note. 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 candidate_create_note? +

candidate_create_note is provided by the Ashby MCP Server MCP server (plenishai/mcp-ashby). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Ashby MCP Server tool call.

Start from Ashby MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →