Service Fusion
Manage service jobs, estimates, customers and technician schedules for field service businesses.
Connects to Service Fusion field service software. Muse can read and create customers, jobs and estimates; view invoices, equipment and technician availability; and check the schedule and calendar tasks.
Try asking Muse: "Show me all open jobs for today and which technicians are available to assign to a new service call."
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Source: Found in the official MCP Registry (io.usefulapi/service-fusion) · First listed October 29, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
musedirectory.ai is not part of Meta. More about how Muse handles your information
How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://service-fusion.usefulapi.io/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
Service Fusion is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://service-fusion.usefulapi.io/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 265ms. Worked in n/a of checks over 30 days.
Screening · October 29, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 26
servicefusion_get_meThe Service Fusion user the API credentials belong to: id, name and email. Use it to check the connection. GET /me.servicefusion_list_customersList customers (newest id order unless sorted). Filter by name, contact, address, city, postal code, phone, email, tags or last-serviced date. Add expand=contacts,locations,custom_fields to include them. GET /customers.servicefusion_get_customerOne customer by id, optionally with contacts, phones, emails, locations and custom fields. GET /customers/{id}.servicefusion_list_customer_equipmentList the equipment on file for a customer (type, make, model, serial number, warranty and install dates). GET /customers/{id}/equipment.servicefusion_get_customer_equipmentOne piece of equipment of a customer. GET /customers/{customer_id}/equipment/{equipment_id}.servicefusion_list_jobsList jobs (work orders). Filter by status, number, PO or invoice number, customer, contact, address, phone, email, category, source and start/end/updated/closed dates. Add expand (techs_assigned, services, products, payments, invoices, visits, notes, ...) for detail. GET /jobs.servicefusion_get_jobOne job by id, optionally with technicians, line items, labor, expenses, payments, invoices, notes, visits and more. GET /jobs/{id}.servicefusion_list_estimatesList estimates (quotes). Filter by status, number, PO number, customer, contact, address, phone, email, category, source and start/end/requested dates. GET /estimates.servicefusion_get_estimateOne estimate by id, optionally with line items, technicians, notes, tags and more. GET /estimates/{id}.servicefusion_list_invoicesList invoices with number, total, paid flag, dates and the customer. The API has no invoice filters: sort and page instead (for example sort=-date). GET /invoices.servicefusion_get_invoiceOne invoice by id. GET /invoices/{id}.servicefusion_list_calendar_tasksList calendar tasks (appointments and to-dos on the schedule) for one day (start_date or end_date alone), a date range (both) and/or given users. A task is returned when it overlaps the range. GET /calendar-tasks.servicefusion_get_calendar_taskOne calendar task by id. GET /calendar-tasks/{id}.servicefusion_get_availabilityOpen time slots for technicians and/or crews over up to 8 days (end_date at most 7 days after start_date). Filter by technician, crew, department, experience level and slot length. GET /availability.servicefusion_list_techsList technicians and sales reps (name, contact details, department, title, color, field-worker and sales-rep flags). GET /techs.servicefusion_get_techOne technician by id. GET /techs/{id}.servicefusion_list_tech_departmentsThe technician department names configured in the account (useful for availability filters). GET /techs/departments.servicefusion_list_crewsList crews (named groups of technicians), optionally with their members. GET /crews.servicefusion_get_crewOne crew by id, optionally with its technicians. GET /crews/{id}.servicefusion_list_job_categoriesThe job category names to use when creating or filtering jobs. GET /job-categories.servicefusion_list_job_statusesThe job status names (code, name, custom flag, category) to use when creating or filtering jobs. GET /job-statuses.servicefusion_list_payment_typesThe payment types configured in the account. GET /payment-types.servicefusion_list_sourcesThe lead/referral sources (short and long names) to use when creating or filtering jobs and estimates. GET /sources.servicefusion_create_customerWRITE: create a customer in Service Fusion, optionally with contacts (phones, emails) and service locations. It is visible to the whole team and cannot be deleted through this API; creating the same name twice makes two customers, so search with servicefusion_list_customers firstservicefusion_create_jobWRITE: create a job (work order) for a customer, optionally with address, category, source, assigned technicians, tasks, notes, products, services and other charges. It appears on the team's schedule and cannot be deleted through this API; creating twice makes two jobs. Look up cservicefusion_create_estimateWRITE: create an estimate (quote) for a customer, optionally with address, category, source, technicians, tasks, notes, products, services, other charges and tags. It cannot be deleted through this API; creating twice makes two estimates. POST /estimates.Link
https://service-fusion.usefulapi.io/mcpQuestions about Service Fusion in Muse
How do I connect Service Fusion to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Service Fusion to help me. It is a free service with an MCP server at https://service-fusion.usefulapi.io/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is Service Fusion working right now?
At the last check (October 29, 2026, 21:11 UTC) the endpoint was working, answering in 265ms. It is checked every 15 minutes.
Is Service Fusion safe to connect to Muse?
It was screened on October 29, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can Service Fusion do in Muse?
It exposes 26 tools, including servicefusion_get_me, servicefusion_list_customers, servicefusion_get_customer, servicefusion_list_customer_equipment. For example, you could ask Muse: "Show me all open jobs for today and which technicians are available to assign to a new service call."
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