servicetitan_update_estimate
Update estimate details
This record as markdown: /tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-update-estimate.md
What servicetitan_update_estimate does on ServiceTitan MCP Server
AI agents use servicetitan_update_estimate to create or update resources in ServiceTitan MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your ServiceTitan MCP Server environment.
Why servicetitan_update_estimate is rated Medium
The tool creates or modifies data reversibly—estimates can be updated multiple times and the changes are undoable through subsequent updates or system rollback. It does not delete data (would be Destructive), does not move money directly (would be Financial), and does not execute arbitrary code (would be Execute).
From the tool's definition Tool name contains 'update' and description states 'Update estimate details'. This modifies existing estimate records in ServiceTitan, a field service management system where estimates are financial documents that precede invoices and represent committed…
Attacks that exploit this kind of access
The rule that runs servicetitan_update_estimate safely
PolicyLayer is an MCP gateway: it sits between your AI agents and ServiceTitan MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For servicetitan_update_estimate, this is the rule to start with:
servicetitan_update_estimate 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.
The button opens the PolicyLayer dashboard: create your workspace, connect ServiceTitan MCP Server, apply this rule, and every servicetitan_update_estimate call is checked against it from then on.
Questions about servicetitan_update_estimate
Update estimate details. It is categorised as a Write tool in the ServiceTitan MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the ServiceTitan MCP Server MCP server in PolicyLayer and add a rule for servicetitan_update_estimate: 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 ServiceTitan MCP Server. Nothing to install.
servicetitan_update_estimate is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the servicetitan_update_estimate 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.
Set action: deny in the PolicyLayer policy for servicetitan_update_estimate. 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.
servicetitan_update_estimate is provided by the ServiceTitan MCP Server MCP server (busybee3333/servicetitan-mcp-2026-complete). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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