ServiceTitan MCP Server
Provides 108 tools and 15 React apps to manage ServiceTitan field service operations, including jobs, customers, estimates, invoices, dispatching, technicians, equipment, memberships, inventory, locations, marketing, reporting, tags, and payroll.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
How we verified
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⚡ Connect GitHub → continuous verification on every pushwhy connect →Who stands behind it
BusyBee3333
Source: Glama
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Install from
The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`
axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge
Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig
Axios is vulnerable to DoS attack through lack of data size check
SERVICETITAN_APP_KEYyour_app_key_hereSERVICETITAN_CLIENT_IDyour_client_id_hereSERVICETITAN_CLIENT_SECRETyour_client_secret_hereSERVICETITAN_TENANT_IDyour_tenant_id_hereTool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
108/108 tools missing one or more hints — servicetitan_list_customers (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); servicetitan_get_customer (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); servicetitan_create_customer (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +105 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tests exist
No test files found
Add tests that exercise each declared tool.
Production dependencies are patched
0 critical, 14 high severity in production deps — @modelcontextprotocol/sdk@1.0.4 (high), axios@1.7.9 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Domain consistency
npm scope @mcpengine doesn't match GitHub owner busybee3333
Use the same org name across GitHub, npm, and your homepage so users can verify the publisher.
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