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Enables AI agents to search packaging inventory, check pricing, recommend boxes, estimate shipping, and generate checkout links for Packrift.
Do not connect
A critical issue was found. Do not connect this server as-is.
Scanned 8 days ago Due for re-check
A server can change after it's graded. Re-run the automated scan to refresh this report.
This grade is deterministic and reproducible: the same server surface always yields the same grade under a given algorithm version. It is a real automated assessment computed by the MCPGrade engine from what the probe actually observed — not a fabricated or opinion score. It is not a manual human pentest, so it can miss context-specific risks.
Every signal below was measured directly by the automated probe. The grade is derived only from evidence like this — nothing is assumed.
The Packrift MCP MCP server exposes 15 tools, focused primarily on web capabilities. Its published description reads: "Enables AI agents to search packaging inventory, check pricing, recommend boxes, estimate shipping, and generate checkout links for Packrift". It communicates over Streamable HTTP using the 2026-07-28 protocol revision, and does not require authorization to connect. MCPGrade currently rates Packrift MCP F — a critical issue was found and the server should not be connected as-is. Its most notable findings include "Cross-tool shadowing" and "Cross-tool shadowing". This report is a deterministic, reproducible automated assessment: the same observed surface always yields the same grade under a given algorithm version, and it is refreshed as new scans arrive and free to read — but it is not a substitute for a manual human security review. Always re-check Packrift MCP's advertised tools, transport security, and authorization posture before connecting an autonomous agent or sharing sensitive context with it.
Add Packrift MCP to an MCP client using the endpoint below. Review the grade and findings above before granting an autonomous agent access.
MCP endpoint
https://mcp.packrift.com/mcpStreamable HTTP transport. This is the MCP endpoint, not a website — paste it into your MCP client server list rather than a browser.
Captured passively during the read-only scan. Click any value to find servers that match it.
The tools this server advertises via tools/list — names, purposes, and the parameters each accepts, exactly as enumerated read-only.
Use when the user names a category by keyword (e.g. 'kraft tape', 'bubble mailer', 'starter kit') with no dimensions. For dimension-based fit, prefer find_packaging_for_item. Returns products with pri
Use after find_packaging_for_item or search_products to pull full detail for a handle: all variants, SKUs, dimensions, weight, stock. Input: handle. Call before building a cart to map qty to the right
Sorted worst-first. Each finding shows its severity, what it means, its OWASP MCP Top-10 mapping, and a recommended fix — the check id links to the exact methodology row that produced it.
tool: search_products
A tool description tries to alter the model’s use of another tool.
sed fit, prefer find_packaging_for_item. Returns products with price, stock, URL.RecommendationDescriptions must describe only their own tool.
tool: get_product
A tool description tries to alter the model’s use of another tool.
ing_for_item or search_products to pull full detail for a handle: all variants,RecommendationDescriptions must describe only their own tool.
tool: get_cart_handoff_candidates
A tool description tries to alter the model’s use of another tool.
doff, including create_cart_url arguments, SKU records, product/reorder/quote lRecommendationDescriptions must describe only their own tool.
tool: create_cart_url
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
parameter "source_context"RecommendationRemove side-channel parameters; constrain tool inputs.
tool: prepare_purchase_handoff
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
parameter "source_context"RecommendationRemove side-channel parameters; constrain tool inputs.
tool: get_reorder_link
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
parameter "source_context"RecommendationRemove side-channel parameters; constrain tool inputs.
tool: (server instructions)
A tool description tries to alter the model’s use of another tool.
ipping context, search_products for keyword lookups, compare_alternatives or paRecommendationDescriptions must describe only their own tool.
The server accepts tool enumeration (and likely invocation) with no authentication.
RecommendationRequire OAuth 2.1 authorization for any server exposing non-public tools.
tool: search_products
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: get_product
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: get_pricing
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: check_inventory
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: find_packaging_for_item
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: get_shipping_estimate
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: get_cart_handoff_candidates
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: create_cart_url
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: prepare_purchase_handoff
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: compare_alternatives
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: pack_calculator
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: inventory_status
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: get_reorder_link
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: get_bulk_quote_link
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: explain_no_exact_match
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
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Agentic rails for complex workflows with receipts, fees, and MCP tool access.
Structural TC39 spec lookup for ECMA-262 and ECMA-402 in AI agents, SHA-pinned and offline-first.
Structural TC39 spec lookup for ECMA-262 and ECMA-402 in AI agents, SHA-pinned and offline-first.
Use to confirm live unit price and line total before cart handoff. Required argument: variant_ids as an array of numeric Shopify variant IDs encoded as strings, for example ["53475949216112"]. Optiona
Use to confirm stock before recommending a SKU or building a cart. Required argument: variant_ids as an array of numeric Shopify variant IDs encoded as strings, for example ["53475949216112"]. Never s
Use when the buyer has item dimensions and needs a fitting box or mailer. Required arguments are item_length_in, item_width_in, item_depth_in, item_weight_lb, and use_case. Canonical use_case values a
Use when the buyer asks shipping cost for selected catalog variants. Required arguments: destination_postal_code, country (US|CA), and items with variant_id as a numeric Shopify variant ID string plus
Returns curated Packrift SKUs that are ready for cart handoff, including create_cart_url arguments, SKU records, product/reorder/quote links, and the required live-confirmation sequence.
Build the checkout handoff URL once the buyer has confirmed an exact product, quantity, live price, and stock. Preferred input is sku plus quantity; use items only when you already hold variant IDs as
Two-step exact-SKU purchase prep. Call first with sku, quantity, and buyer_confirmed=false to confirm the product, live price, and live stock in one call. After the buyer approves, call again with buy
Exploration tool for buyers comparing a packaging spec, competitor-style item, or catalog-number request against Packrift's curated catalog. Returns ranked Packrift candidates plus a plain-language co
Exploration tool for item dimensions and weight. Calculates required inside dimensions, ranks Packrift box/mailer candidates, and gives void-fill guidance before live price/inventory confirmation.
Live inventory exploration for one or more catalog variants. Returns total quantity, available-for-sale state, warehouse-level quantities where available, and a plain-language fulfillment summary.
Return the reorder URL, product URL, and a copyable procurement spec for one catalog SKU or handle. Use for repeat-buy and procurement handoff workflows.
Return a quote-request URL for an exact packaging spec or SKU. Use when no exact match exists or the buyer needs bulk or procurement review.
Explain why a nearby product should not be presented as an exact match for the buyer's spec, then return safe next actions and a quote-request URL.