Distill
Look up sales tax rates by location and hospital procedure prices with sources and confidence scores.
Provides pre-computed sales tax rates for 24 US states using official Streamlined Sales Tax data, and hospital procedure pricing from CMS standard-charge files in Colorado. Returns rates, jurisdictions, payer negotiated amounts, and confidence metrics. Paid per call in USDC on Base blockchain.
Try asking Muse: "What's the sales tax rate for a purchase at a specific address in Washington state?"
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Source: Found in the official MCP Registry (com.spencermcw.data/distill) · First listed October 29, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 1 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://data.spencermcw.com/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
Distill 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://data.spencermcw.com/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 112ms. 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 · 7
tax_sales_rateFrom the state’s own Streamlined Sales Tax rate and boundary files (24 states: AR, GA, IA, IN, KS, KY, MI, MN, NC, ND, NE, NJ, NV, OH, OK, RI, SD, TN, UT, VT, WA, WI, WV, WY). Matches an address when the state publishes address records, else the ZIP+4 record, else the 5-digit rectax_sales_rate_batchThe same answer as tax.sales_rate for each location, in order. A location that fails (outside the SST states, a bad date) carries its own error; the call is still one price. Price: $0.1 per call. Free tier: 3 free calls a day per IP, at most 3 rows per answer. Confidence: The lowtax_changesChange records read from the states’ rate and boundary files: rates that change, begin or end; ZIP+4 and 5-digit ZIP ranges whose jurisdictions change; new files posted. Each record cites the sha256 of the files it came from. Pages of up to 100, oldest first; pass next_cursor bachospital_pricesFrom the machine-readable standard-charge files hospitals must publish (45 CFR 180), parsed and normalized: for each hospital within the radius that posts the code, nearest first, the gross charge, the discounted cash price, the de-identified minimum and maximum, and every payer hospital_compareFor each named hospital: whether it posts the code, and over its items for the code (only those without modifiers when it posts any, so a professional -26 or bilateral -50 line does not skew the row) nearest-rank statistics of its gross charges, discounted cash prices and negotiahospital_payersEvery payer’s negotiated dollar amounts for the code at the hospitals within the radius, grouped by canonical payer_id (the stable id behind the many ways hospitals write a payer’s name), plan type and methodology (a per diem and a case rate are never pooled): how many hospitals hospital_changesChange records from diffing consecutive weekly builds: a hospital republishing its file (source raw_sha256), items and payer rates that appear, disappear or change price, a hospital’s status or file date changing, and the canonical payer of a payer/plan name changing. Keys: sourcLink
https://data.spencermcw.com/mcpQuestions about Distill in Muse
How do I connect Distill to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Distill to help me. It is a free service with an MCP server at https://data.spencermcw.com/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 Distill working right now?
At the last check (October 29, 2026, 17:46 UTC) the endpoint was working, answering in 112ms. It is checked every 15 minutes.
Is Distill 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 Distill do in Muse?
It exposes 7 tools, including tax_sales_rate, tax_sales_rate_batch, tax_changes, hospital_prices. For example, you could ask Muse: "What's the sales tax rate for a purchase at a specific address in Washington state?"
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