InPlan
Check if your doctor is in your health insurance network using their NPI number.
Looks up US healthcare providers by NPI and checks whether they're listed in Marketplace (ACA) and Medicare Advantage insurance plan networks. Returns plan names, insurers, states, network tiers and current directory dates so you can confirm in-network status before care.
Try asking Muse: "Is my cardiologist in my Blue Cross health plan for 2026?"
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Source: Found in the official MCP Registry (io.inplan/inplan) · First listed October 30, 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: You sign in to your own account with it, so Muse can reach what that account allows. Read what it asks for before you agree.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
Sensitive: this app deals with your health. Only connect it if you are comfortable with Muse reading that information.
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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://api.inplan.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
InPlan 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://api.inplan.io/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 727ms. Worked in n/a of checks over 30 days.
Screening · October 30, 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 · 7
lookup_providerIdentity of a US healthcare provider by NPI: name, credential, specialties, practice locations and groups, plus a summary of the Marketplace (ACA) and Medicare Advantage plans whose network directories list them (plan counts, states, plan years, as_of dates). Use it to confirm whplans_for_providerEvery Marketplace (ACA) and Medicare Advantage plan whose network directory lists the provider, one row per plan and plan year, each with plan name, insurer, state, network tier and source {type, as_of}. Medicare Advantage rows carry service_area_states and provider_state_in_servcheck_networkAnswers whether one plan's network directory lists one provider. answer "listed" (in_network: true) comes with evidence: plan year, network tier and source {type, as_of}. answer "not_found" (in_network: null) means no listing was found in current directory data for this provider check_network_batchThe check_network answer for up to 100 (npi, plan_id) pairs in one request, with the same listed / not_found / no_provider_network semantics. Invalid pairs come back with a per-item error and are not charged; each accepted pair costs 1 call. Needs the Builder plan or higher.get_planDetails of one Marketplace (ACA) or Medicare Advantage plan by plan ID: name, insurer or organization, state or service area, plan type, metal level, the plan years we hold, and whether we hold its directory listings, with their as_of date. Costs 1 call.search_plan_providersProviders that a Marketplace (ACA) plan's network directory lists, with name, credential, primary specialty, network tiers and up to 5 locations. Filter by state, specialty (substring, e.g. "cardiology"), zip, or zip plus radius in miles. Pages are cursor-based: pass next_cursor coverageThe markets, states and insurers InPlan holds directory listings for, with plan counts and as_of dates, by plan year. Filter by market, state or year. Use it to see which states and insurers you can query. Costs 1 call.Link
https://api.inplan.io/mcpQuestions about InPlan in Muse
How do I connect InPlan to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use InPlan to help me. It is a free service with an MCP server at https://api.inplan.io/mcp. It needs an API key from InPlan; ask me to enter it through your secure credential prompt. 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 InPlan working right now?
At the last check (October 30, 2026, 12:06 UTC) the endpoint was working, answering in 727ms. It is checked every 15 minutes.
Is InPlan safe to connect to Muse?
It was screened on October 30, 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 InPlan do in Muse?
It exposes 7 tools, including lookup_provider, plans_for_provider, check_network, check_network_batch. For example, you could ask Muse: "Is my cardiologist in my Blue Cross health plan for 2026?"
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