sf_create_field_update

SERVERSalesforce Metadata Mcp SOURCEsalesforce-metadata-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-semwalajay83-sem-salesforce-metadata-mcp/sf-create-field-update.md

WHAT IT DOES

What sf_create_field_update does on Salesforce Metadata Mcp

AI agents use sf_create_field_update to create or update resources in Salesforce Metadata Mcp, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Salesforce Metadata Mcp environment.

RISK

Why sf_create_field_update is rated Medium

This tool creates and configures field update actions that modify data in Salesforce objects. While reversible (updates can be undone through subsequent workflows or manual correction), it directly modifies object field values through automated actions. The operation is not a read-only query, nor is it destructive/permanent deletion. It falls clearly into Write category.

From the tool's definition Creates a standalone Workflow Field Update action that sets a field to a formula, literal value, or null. The tool modifies data by updating object fields based on workflow triggers, and can set values to formulas or literal values on Salesforce objects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs sf_create_field_update safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Salesforce Metadata Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For sf_create_field_update, this is the rule to start with:

sf_create_field_update Rate-limited

sf_create_field_update 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": {
    "sf_create_field_update": {
      "limits": [
        {
          "counter": "sf_create_field_update_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 Salesforce Metadata Mcp, apply this rule, and every sf_create_field_update call is checked against it from then on.

FAQ

Questions about sf_create_field_update

What does the sf_create_field_update tool do? +

Creates a standalone Workflow Field Update action that sets a field to a formula, literal value, or null when triggered. Can be associated with Workflow Rules, Approval Process steps, or used independently. objectName: object the field update applies to fullName: developer name of the field update name: display name field: field API name to update operation: Formula, Literal, LiteralBlank, or Null formula: Apex formula (for Formula operation) literalValue: static value to set (for Literal operation). It is categorised as a Write tool in the Salesforce Metadata Mcp MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on sf_create_field_update? +

Register the Salesforce Metadata MCP server in PolicyLayer and add a rule for sf_create_field_update: 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 Salesforce Metadata Mcp. Nothing to install.

What risk level is sf_create_field_update? +

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

Can I rate-limit sf_create_field_update? +

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

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

sf_create_field_update is provided by the Salesforce Metadata MCP server (salesforce-metadata-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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