salesforce_query · Salesforce MCP Server MCP: Risk & Policy

WHAT IT DOES

What salesforce_query does on Salesforce MCP Server

AI agents invoke salesforce_query to trigger actions in Salesforce MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why salesforce_query needs a policy

Although SOQL is primarily a query language, the tool 'runs' arbitrary SOQL statements submitted by the caller. While standard SOQL is read-only, the tool description says 'run a SOQL query' without restricting to SELECT statements. If an agent can inject DML-capable queries or if the underlying CLI permits broader operations, the blast radius is high.

From the tool's definition "Run a SOQL query" — executes arbitrary SOQL against a Salesforce org and returns results

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

salesforce_query Rate-limited

salesforce_query stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "salesforce_query": {
      "limits": [
        {
          "counter": "salesforce_query_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Salesforce MCP Server, so you can run agents against it safely.

FAQ

Questions about salesforce_query

What does the salesforce_query tool do? +

Run a SOQL query and return JSON rows. It is categorised as a Execute tool in the Salesforce MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on salesforce_query? +

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

What risk level is salesforce_query? +

salesforce_query is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit salesforce_query? +

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

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

salesforce_query is provided by the Salesforce MCP Server MCP server (mattmahowald/sfmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.