Tethered Trust

Install

Pick the AI app you use, then copy the settings.

Passed 2/3 checks · What you ask goes through the maker’s server (tetheredtrust.com) · ✓ Commands checked Nov 13, 2026

claude mcp add --transport http --scope user tethered-trust https://tetheredtrust.com/mcp

{
  "mcpServers": {
    "tethered-trust": {
      "url": "https://tetheredtrust.com/mcp"
    }
  }
}

{
  "servers": {
    "tethered-trust": {
      "type": "http",
      "url": "https://tetheredtrust.com/mcp"
    }
  }
}

Which apps can use it

Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.

Connect over the internet in

ClaudeChatGPTGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatOpen WebUIRaycast

All apps, with pros and cons →

What it can do

Tool names and descriptions exactly as the server reported them on Nov 10, 2026. The maker wrote them, not us; we show them as plain text.

• 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, mount, run on or charge with something someone owns. Verified catalog (specs checked against cited manufacturer sources):

• 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, plus what the customer already owns. Returns a decision per line item, safe_to_checkout, an action (proceed, resolve_con

• identify_product

  Call this when the person gives a shop link, ASIN, barcode or vague product name and you need the exact model and what it's compatible with. Identify a product from a URL, model number, SKU, ASIN, UPC/EAN or description, and get its compatibility profile: the standards it takes a

• list_standards

  Call this before sending products described by their specs instead of model numbers (e.g. specs_from or a custom product), or to map your own catalog fields onto ours: returns every standard family with its reviewed values (lens mounts, battery platforms, memory types, connectors

• resolve_product

  Call this to confirm exactly which model the person means before checking or buying ("which Galaxy S25 is this?") or to read a product's structured specs: looks it up by name or model number and returns its specs, what it accepts (mounts, battery platforms, cartridges, protocols)

• validate_purchase_plan

  Call this before you recommend or order two or more items that have to work together or with what the person owns (a PC build or upgrade, a camera kit, a smart-home setup, a charger plus cable). Check a whole purchase before recommending or ordering it: the setup the person owns

• 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, add a missing cooler, hub or adapter, trim quantities that exceed slots), re-validated, with the reason for each change. F

• plan_upgrade

  Call this when the person asks what they can upgrade or add to a device they own ("can I add more RAM to my laptop", "what SSD does my PC take", "what GPU fits my case") before suggesting parts: returns memory type, slots and maximum, M.2 slots, lengths and PCIe generation, power

• 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. The photo isn't stored.

• 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

  Call this whenever you're about to recommend, link to or buy a part, accessory, charger, filter, cartridge, lens, battery, memory, mount or adapter for something the person already owns, or they ask "will X work with Y" / "is this compatible". Pass both exact models. Covers anyth

• find_parts

  Call this when the person names a device or appliance they own and needs a replacement or add-on ("what filter does my fridge take", "which RAM can I add", "what battery fits my drill") before you search shops or guess. Which parts and accessories fit this model? OEM parts first,

• check_recalls

  Call this before recommending, buying or selling anything used or secondhand, any baby or kids' product, appliance, heater, battery-powered device or vehicle, or when the person asks if something is safe or recalled. Searches US government recall notices: CPSC for consumer produc

• watch_decision

  Call this after a compatibility check, purchase plan, verify_page or verify_mcp result that someone will rely on later (an order next week, an install, a resale, the next agent in a handoff). For product decisions we watch the records, manufacturer sources and US recall notices b

• attach_order

  Call this right after placing an order you checked with check_cart_before_checkout, validate_purchase_plan or check_compatibility: link the receipt_id to the order number, AP2 cart or intent mandate, ACP checkout session, UCP checkout or payment reference. This makes a Decision R

• dispute_packet

  Call this when an agent purchase is disputed, returned as wrong, or charged back and a Tethered Trust receipt exists for it: we assemble the evidence (the decision, products checked, sources with dates, the linked order or mandate, records and recall notices that changed since, r

• file_claim

  Call this when a product we said would work didn't (within 60 days of the check): send the receipt_id and what happened. Decided within 10 business days; if our answer or data was wrong, the fee paid for that check is refunded and the data corrected. Free. For a plain fit/no-fit

• decision_status

  Call this right before acting on a watched decision: still_holds, changed (a record it rested on was updated), recall_on_record (a recall notice names one of the products), or expired, with what changed and what isn't monitored.

• 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 we said and when; it doesn't guarantee the verdict was right.

• 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 (website), agent_reported (anonymous API/MCP), partner_reported (API key holders) and order_confirmed (order evidence we'

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 13, 2026

• ! Caution

  Maker matches the repo

  The registry lists no source repo, so we cannot match the publisher (tetheredtrust.com) to the code

• … Not checked yet

  Still maintained

  We have not read this repo from GitHub yet

• … Not checked yet

  Has a licence

  We have not read this repo from GitHub yet

• ✓ Pass

  Endpoint responds

  Responded in 399 ms (HTTP 200)

• – Not applicable

  Sign-in with OAuth

  No sign-in needed

• ✓ Pass

  No hidden instructions in tool descriptions

  Read 23 tool descriptions and found no hidden instructions to the AI

User reviews

No reviews yet

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Compared with others in Otheri

• More stars than 0% of the other 19664 servers in this category
• Published to the registry more recently than 91% of the other 19664 servers in this category
• Basic checks equal to or better than 44% of the other 19664 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

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Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

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README from the maker

No README found in the repo