Tethered Trust

Name: Tethered Trust
Author: com.tetheredtrust

MCP serverMCP

Compatibility checks for AI agents before they buy or install: verdicts, evidence, receipts.

by com.tetheredtrusthomepage ↗v0.12.0

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Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability21/21 checks ok

when	check	result	http	latency	detail
2 h ago	mcp initialize	ok	200	30 ms	server tethered-trust 0.16.0 · protocol 2025-06-18 · 18 tools
10 h ago	mcp initialize	ok	200	28 ms	server tethered-trust 0.16.0 · protocol 2025-06-18 · 18 tools
16 h ago	mcp initialize	ok	200	111 ms	server tethered-trust 0.16.0 · protocol 2025-06-18 · 18 tools
24 h ago	mcp initialize	ok	200	66 ms	server tethered-trust 0.16.0 · protocol 2025-06-18 · 18 tools
30 h ago	mcp initialize	ok	200	30 ms	server tethered-trust 0.16.0 · protocol 2025-06-18 · 18 tools
2 d ago	mcp initialize	ok	200	74 ms	server tethered-trust 0.16.0 · protocol 2025-06-18 · 18 tools
2 d ago	mcp initialize	ok	200	100 ms	server tethered-trust 0.16.0 · protocol 2025-06-18 · 18 tools
2 d ago	mcp initialize	ok	200	60 ms	server tethered-trust 0.16.0 · protocol 2025-06-18 · 18 tools
2 d ago	mcp initialize	ok	200	32 ms	server tethered-trust 0.16.0 · protocol 2025-06-18 · 18 tools
3 d ago	mcp initialize	ok	200	103 ms	server tethered-trust 0.16.0 · protocol 2025-06-18 · 18 tools

Tools observed via MCP handshake

how_it_works — What Tethered Trust is, what it covers, where its data comes from, pricing and terms.
list_coverage — Which 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, m
check_cart_before_checkout — Checks a cart at checkout. Takes the checkout session exactly as a commerce protocol returns it (a UCP checkout or an ACP CheckoutSession) or plain line items,
enrich_catalog — For 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 (sta
identify_product — Identify 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,
list_standards — Every compatibility standard family (with reviewed values), the open formats used for new values, and the numeric limit keys. How Tethered Trust represents phys
resolve_product — Look 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, pr
validate_purchase_plan — Check a whole purchase before recommending or ordering it: the setup the person owns (with current configuration) plus everything in the cart. Returns one decis
fix_purchase_plan — When a plan comes back incompatible or conditional: the smallest set of changes that makes it work (swap a part for a verified one that fits everything else, ad
plan_upgrade — What can be upgraded on this device and with what: memory (type, slots, maximum), storage (M.2 slots, lengths, PCIe generation), power, CPU and cooling for moth
identify_from_photo — Read the brand, model and part numbers from a photo of a label or nameplate and match them to products. Matches are returned as candidates, with what was read.
recheck_plan — Re-run a saved purchase plan against today's data before ordering, and see what changed since it was issued: decisions, product records, or receipt status.
check_batch — Up to 25 independent compatibility checks in one call (e.g. ranking candidate products for one device). Each result has its own decision, evidence and receipt.
check_compatibility — Will this exact part or accessory work with that exact device? Use before recommending or buying. Covers anything that has to fit, plug in, mount, run on or cha
find_parts — Which parts and accessories fit this model? OEM parts first, then verified alternatives: e.g. a refrigerator's water filter, a printer's cartridges, a camera's
check_fit — Will this appliance physically fit this space? Compares dimensions plus typical installation clearances and required connections (power, water, gas).
verify_receipt — Check a Tethered Trust receipt: is the signature ours, is it still within valid_until, and have the records behind it changed since? A valid receipt proves what
report_outcome — After a purchase, report whether it actually fit. Free, safe to call, and only the first report per check counts. Reports are weighted by level: self_reported (

Provenance

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Official MCP Registrycom.tetheredtrust/tethered-trust

first seen 6 d ago · fetched 2 d agoopen ↗

Field history (6 recent events)

6 d ago · declared · summary → "Compatibility checks for AI agents before they buy or install: verdicts, evidence, receipts."
6 d ago · declared · description → "Compatibility checks for AI agents before they buy or install: verdicts, evidence, receipts."
6 d ago · declared · publisherName → "com.tetheredtrust"
6 d ago · declared · homepageUrl → "https://tetheredtrust.com"
6 d ago · declared · version → "0.12.0"
6 d ago · declared · protocols → ["mcp"]

Tethered Trust

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Evidence

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Capabilities

Where this record came from