Tethered Trust
by FastDrop
Compatibility checks for AI agents before they buy or install: verdicts, evidence, receipts.
Compatibility checks for AI agents before they buy or install: verdicts, evidence, receipts. Official MCP Registry: com.tetheredtrust/tethered-trust@0.12.0. Remote endpoint: https://tetheredtrust.com/mcp
Problem it solves
Discoverable MCP server listed in the official MCP Registry.
How it's different
Remote MCP endpoint ingested from the official registry and probed by FastDrop.
Ingested from the official MCP Registry
FastDrop pulled this entry from the official MCP Registry as com.tetheredtrust/tethered-trust and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed
and the description is not theirs.
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Read directly from the endpoint on 15 Oct 2026. Not supplied by the maker.
how_it_worksWhat Tethered Trust is, what it covers, pricing and terms, and how an assistant should use it before a purchase. Call once if unsure; you don't need it for every check.
list_coverageWhich product categories and models are in the compatibility graph, with counts. Pass a category to list its models. Covers anything that has to fit, plug in, mount, run on or charge with something so
check_cart_before_checkoutCall right before completing a purchase. Send the checkout session exactly as your commerce protocol returns it (a UCP checkout or an ACP CheckoutSession) or plain line items, plus what the customer a
enrich_catalogFor retailers and marketplaces (API key required): up to 50 products per call (SKU with title, URL or GTIN) in; each product's compatibility attributes out (standards it takes and provides, numeric li
identify_productIdentify a product from a URL, model number, SKU, ASIN, UPC/EAN or description, and get its compatibility profile: the standards it takes and provides (mounts, sockets, connectors, platforms, part num
list_standardsEvery compatibility standard family (with reviewed values), the open formats used for new values, and the numeric limit keys. How Tethered Trust represents physical connections, dimensional fit, vehic
resolve_productLook up one product in the Tethered Trust graph by name or model number and get its structured specs, what it accepts (mounts, battery platforms, cartridges, protocols) and what it fits. If the text c
validate_purchase_planCheck a whole purchase before recommending or ordering it: the setup the person owns (with current configuration) plus everything in the cart. Returns one decision (supported / conditional / incompati
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