Use Trial Commander inside Claude, ChatGPT and Word.
Ask the AI subscription you already pay for about your own matters and deadlines. Work on a draft in Word without leaving it. Carry the file on your Android phone. One login, your firm’s permissions, and every call on the firm’s audit log.
Your AI reads your practice. It sees only what you can see.
Trial Commander speaks MCP, the standard way an AI assistant uses another program’s tools. Connect it once and a normal Claude or ChatGPT conversation can look things up in your firm’s own records — “What deadlines do I have in the next two weeks?” answers from your matters, not from the internet.
On every plan, the free Starter plan included, the connector finds a matter and reads its deadlines, contacts, matter health and trial status — 5 read-only tools and 200 calls a month. On Gold, Platinum, Enterprise and during the free trial, the working connector adds notes, communications, the documents on a matter, time and billing.
Only the working connector writes — adding deadlines and notes, logging time, drafting documents — and only on a connection granted write access. Each of those tools is marked as a write tool, so Claude or ChatGPT asks before running one unless you choose to always allow it.
The connection acts as you. It reaches exactly the matters you can open, and an action that needs a permission you do not hold is refused, the same as it would be in the app. Every call is written to the firm’s audit log.
Every firm administrator is e-mailed whenever anyone in the firm approves a connection — who connected, which AI tool, the access granted and when. Settings → MCP Access lists every connection, with a one-click revoke.
Trial Commander recognises Claude and ChatGPT. Any other AI service is refused at the approval screen until a firm administrator turns on Unrecognised AI tools under Settings → MCP Access. (A connector bridge running on your own computer is the one exception.)
Tool calls use your own Claude or ChatGPT subscription, never the firm’s in-app AI allowance. Whether sending a given client’s matter into that service fits your obligations on the engagement is your judgment; the guides below cover it.
Three steps, about five minutes.
- 1Copy the connector address
The one line below. It is the same for every firm.
- 2Add it in Claude or ChatGPT
Paste it where your AI adds a connector — the exact menus are below.
- 3Sign in and approve
Trial Commander opens its own sign-in. Sign in as you normally do and click Approve. Your AI never sees your password.
https://app.trialcommander.com/api/mcpSigned in to Trial Commander? Settings → Connect your AI shows this address with a Copy button, says which connector your plan includes, and confirms the connection once it lands.
In Claude
- In Claude (claude.ai or the Claude desktop app), open Customize → Connectors, press + and choose “Add custom connector”. On a Team or Enterprise plan an owner adds it under Organization settings → Connectors.
- Name it Trial Commander and paste the connector address shown above.
- Claude opens Trial Commander. Sign in as you normally do and click Approve.
- In a new Claude chat, ask: “What deadlines do I have in the next two weeks?” The answer should name your own matters.
In ChatGPT
- In ChatGPT on the web, open Settings → Security and login and turn on Developer mode.
- Open Plugins, select the plus button, and name the new one Trial Commander.
- Under Connection choose Public endpoint, paste the connector address shown above, and create it.
- Sign in to Trial Commander when asked and click Approve. Then, in a new chat with Trial Commander switched on, ask about your deadlines.
Whether you can add a connection depends on your ChatGPT plan and, in a workspace, on what your administrator allows. OpenAI lists full support on ChatGPT Business, Enterprise and Edu, on the web. Menus there change often; the full guide has the details.
The full ChatGPT guide (PDF) →Trial Commander’s listings in the Claude and ChatGPT directories are in review. Until they are published, adding the address as above is the way in — and it is the same connector.
Word, your phone, and the MCP Registry.
A Trial Commander group on Word’s Home tab and a tab of its own: save the open document to a matter, fill one of the firm’s templates, insert the caption block or a Brief Bank citation, compare against the last saved version, log time in one click, and finalize. The AI tools in the pane follow your plan.
Get it from Microsoft AppSource and sign in inside the pane, or have your Microsoft 365 administrator deploy it to the whole firm — Settings → Office Add-ins in the app has the steps. The Outlook add-in installs from that same page; its AppSource listing is in review.
Trial Commander on your Android phone: your matters, deadlines and calendar, with the same sign-in and the same permissions as the web.
Google Play and the Google Play logo are trademarks of Google LLC.
Find us in the official MCP Registry:
com.trialcommander/trial-commander
The entry names the same connector address, signed in with OAuth. Any AI tool that reads the registry can find it there; tools Trial Commander does not recognise still need a firm administrator to allow them.
registry.modelcontextprotocol.io →Connect it to your own cases.
Every plan includes the read-only connector, the free Starter plan too. Start with 30 days of the full product.
Trial Commander is software, not legal advice. The ethics questions a connection raises are yours to decide.