Lawcus
Access your law firm's cases, contacts, time tracking, billing and reports from Lawcus.
Read and manage Lawcus law practice data: contacts, matters (cases), leads, time entries, expenses, billing and financial reports. Create new contacts and tasks. Requires a Lawcus account and API token.
Try asking Muse: "Show me all open matters for our biggest client and their current trust account balance."
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Source: Found in the official MCP Registry (io.usefulapi/lawcus) · First listed October 28, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 37 min 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://lawcus.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
Lawcus 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://lawcus.usefulapi.io/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 1053ms. Worked in 100% 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 · 27
lawcus_get_meLawcus: the user the API token belongs to (id, uuid, name, timezone, role such as OWNER/ADMIN/MEMBER).lawcus_get_firmLawcus: the firm (team) details: name, address, currency, locale and phone numbers.lawcus_list_team_membersLawcus: the people on the firm's team with id, uuid, name, role and hourly rate. Ids are used in matter, task and report filters.lawcus_searchLawcus: global search across contacts, matters and leads for a keyword.lawcus_list_contactsLawcus: list contacts (people and companies; clients are contacts), filterable by name, email, type or update date. Paged with skip/take.lawcus_get_contactLawcus: one contact by UUID, with addresses, phones, emails and custom fields.lawcus_create_contactWRITE: create a new contact in Lawcus (a person or a company). It does not send anything to the contact. Person needs first_name and last_name; Company needs name. Check lawcus_list_contacts first to avoid duplicates.lawcus_list_mattersLawcus: list matters (cases) with status, client, billing type, trust and retainer balances. Filter by status, name, number, client or dates. Paged with skip/take; the reply also carries opened/closed counts.lawcus_get_matterLawcus: one matter by UUID with its client, workflow stage, billing settings, balances and custom fields.lawcus_list_leadsLawcus: list leads (prospective matters) with client contact details and pipeline stage. Paged with skip/take.lawcus_get_leadLawcus: one lead by UUID.lawcus_list_lead_sourcesLawcus: the firm's lead sources (Website, Referral, Google, ...). Ids go into lead and contact filters.lawcus_list_workflowsLawcus: the workflows (matter and lead pipelines) with their ids.lawcus_list_workflow_stagesLawcus: the stages of one workflow (pipeline).lawcus_list_tasksLawcus: list tasks, optionally by completion, assignee, matter or tag. The API returns the whole list; the reply is cut to `limit`.lawcus_create_taskWRITE: create a task in Lawcus, optionally on a matter and assigned to team members. Lawcus may email or SMS the assignees if reminders are set; no reminders are set by this tool.lawcus_list_time_entriesLawcus: time entries (hours worked, rate, total, matter, invoiced or not). The API returns all entries; filter here by matter and date range, reply cut to `limit`.lawcus_list_expensesLawcus: expenses logged against matters. The API returns all expenses; filter here by matter and date range, reply cut to `limit`.lawcus_list_billing_itemsLawcus: billable activity (time entries, expenses and flat fees) with payment details, filterable by date range, user, practice area, matter, client and invoiced state. Also returns time totals for today/week/month/year.lawcus_list_interactionsLawcus: logged client interactions (emails, calls, secure messages) with subject, matter and contact. Paged with skip/paginate.lawcus_report_accounts_receivableLawcus report (needs the Admin role): unpaid invoices by age (who owes the firm what).lawcus_report_matter_balanceLawcus report (needs the Admin role): balance summary of all matters, optionally trust balances only.lawcus_report_revenueLawcus report (needs the Admin role): revenue by attorney for a period.lawcus_report_time_entriesLawcus report (needs the Admin role): time entries summarized per user for a period.lawcus_report_payments_collectedLawcus report (needs the Admin role): payments the firm collected in a period.lawcus_report_invoice_historyLawcus report (needs the Admin role): summary of issued invoices for a period.lawcus_report_client_trustLawcus report (needs the Admin role): client trust (IOLTA) balances; zero balances hidden unless display_zero is true.Recent checks
Link
https://lawcus.usefulapi.io/mcpQuestions about Lawcus in Muse
How do I connect Lawcus to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Lawcus to help me. It is a free service with an MCP server at https://lawcus.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 Lawcus working right now?
At the last check (October 29, 2026, 11:16 UTC) the endpoint was working, answering in 1053ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is Lawcus 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 Lawcus do in Muse?
It exposes 27 tools, including lawcus_get_me, lawcus_get_firm, lawcus_list_team_members, lawcus_search. For example, you could ask Muse: "Show me all open matters for our biggest client and their current trust account balance."
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