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M12 lens and C-mount lens finder with image-sensor matching and field-of-view calculator.
Do not connect
A critical issue was found. Do not connect this server as-is.
Scanned 1 month 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 commonlands-mcp MCP server exposes 21 tools, focused primarily on general-purpose capabilities. Its published description reads: "M12 lens and C-mount lens finder with image-sensor matching and field-of-view calculator". It communicates over Streamable HTTP using the 2026-07-28 protocol revision, and does not require authorization to connect. MCPGrade currently rates commonlands-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 commonlands-mcp's advertised tools, transport security, and authorization posture before connecting an autonomous agent or sharing sensitive context with it.
Add commonlands-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.commonlands.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.
Calculate Commonlands lens field of view for a lens/sensor pair and return HFOV, VFOV, DFOV, coverage, distortion status, and an explicit rectilinear comparison. Use this tool for FOV, HFOV, VFOV, DFO
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: match_lens_to_sensor
A tool description tries to alter the model’s use of another tool.
OM-<w>x<h>. Use read_shopify_products afterward for live stock, price, availability,RecommendationDescriptions must describe only their own tool.
tool: search_lens_catalog
A tool description tries to alter the model’s use of another tool.
oes not replace calculate_field_of_view for sensor-specific HFOV/VFOV/DFOV and does notRecommendationDescriptions must describe only their own tool.
tool: get_sensor_specs
A tool description tries to alter the model’s use of another tool.
cs as inputs to calculate_field_of_view or match_lens_to_sensor, not as a reason to hanRecommendationDescriptions must describe only their own tool.
tool: compare_lenses
A tool description tries to alter the model’s use of another tool.
text, then call calculate_field_of_view for final sensor-specific FoV values when preciRecommendationDescriptions must describe only their own tool.
tool: get_product_page_details
A tool description tries to alter the model’s use of another tool.
cific FoV; call calculate_field_of_view for the lens/sensor pair. FoV rule: never estimRecommendationDescriptions must describe only their own tool.
tool: get_shopify_readonly_config_status
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
ithout exposing secrets or calling Shopify. {"type":"object","propertieRecommendationRemove side-channel parameters; constrain tool inputs.
tool: create_cart
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
includes a cart_access_token that binds the cart to this session; retain it,RecommendationRemove side-channel parameters; constrain tool inputs.
tool: create_cart
A tool description tries to alter the model’s use of another tool.
ain it, because get_cart and update_cart refuse to act on the cart withoRecommendationDescriptions must describe only their own tool.
tool: get_cart
A tool description tries to alter the model’s use of another tool.
ken returned by create_cart, so only the session that created a cart can reRecommendationDescriptions must describe only their own tool.
tool: get_cart
The input schema declares a parameter that asks the caller to hand over a password, key, token, or other secret — a credential-harvest / token-passthrough risk. (Bare pagination `token` params are excluded.)
parameter "cart_access_token"RecommendationNever pass secrets as tool arguments; authenticate out-of-band and remove credential parameters from the schema.
tool: update_cart
A tool description tries to alter the model’s use of another tool.
ken returned by create_cart, so only the session that created a cart can chRecommendationDescriptions must describe only their own tool.
tool: update_cart
The input schema declares a parameter that asks the caller to hand over a password, key, token, or other secret — a credential-harvest / token-passthrough risk. (Bare pagination `token` params are excluded.)
parameter "cart_access_token"RecommendationNever pass secrets as tool arguments; authenticate out-of-band and remove credential parameters from the schema.
tool: search_catalog
A tool description tries to alter the model’s use of another tool.
ing from catalog fields. FoV rule: never estimate sensor-specific FoV fromRecommendationDescriptions must describe only their own tool.
tool: lookup_catalog
A tool description tries to alter the model’s use of another tool.
ecords are not enough for sensor-specific FoV; call calculate_field_of_vieRecommendationDescriptions must describe only their own tool.
tool: get_product
A tool description tries to alter the model’s use of another tool.
cific FoV; call calculate_field_of_view for the lens/sensor pair. FoV rule: never estimRecommendationDescriptions must describe only their own tool.
tool: prepare_shopify_purchase_handoff
A tool description tries to alter the model’s use of another tool.
provenance from calculate_field_of_view/match_lens_to_sensor when carrying optical contRecommendationDescriptions must describe only their own tool.
tool: get_purchase_route_options
A tool description tries to alter the model’s use of another tool.
utes only; call calculate_field_of_view/match_lens_to_sensor for sensor-specific FoV beRecommendationDescriptions must describe only their own tool.
tool: recommend_lenses_for_application
A tool description tries to alter the model’s use of another tool.
ns_to_sensor or calculate_field_of_view for final per-sensor HFOV/VFOV/DFOV. FoV rule:RecommendationDescriptions must describe only their own tool.
tool: (server instructions)
Tools that execute commands / write files / make arbitrary requests are exposed without annotations or guards.
ed. Do not pass arbitrary URLs or client-supplied downstream tokens; CommonlanRecommendationAnnotate destructive tools and require human approval.
tool: (server instructions)
A tool description tries to alter the model’s use of another tool.
ld of view with calculate_field_of_view, rank options with match_lens_to_sensor/compareRecommendationDescriptions 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: update_cart
The server advertises open-world / broadly-scoped capabilities.
annotations.destructiveHint = trueRecommendationScope tools to the minimum needed.
Vantaj uptime monitoring via MCP — manage monitors, heartbeats, incidents, and status pages.
Unified gateway to Algeria's TKAWEN ecosystem: commerce, certification, and AI tools.
Provides access to the Cohereon Doctrine AI safety framework with governance components, tiered access, and agent onboarding.
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.
Find and rank Commonlands lenses for a sensor, target field of view, working distance, mount, or "lens for" request. Use this tool for FOV, HFOV, VFOV, DFOV, field of view, "lens for", lens-to-sensor,
Search the Commonlands lens catalog by SKU, mount, lens type, M12, C-mount, or application text. For sensor part numbers such as AR0234, IMX290, and IMX477, or any "lens for <sensor>" request, use mat
Return the Commonlands distortion model/status for one lens SKU, including whether the data is source-display-only or backend-calculated. Use this tool for FOV, HFOV, VFOV, DFOV, field of view, "lens
Return sensor dimensions, pixel pitch, and resolution for lens field of view, M12 lens, and C-mount lens matching inputs. In production this uses the read-only live sensor table when configured, with
Compare selected Commonlands M12 lens and C-mount lens SKUs on the same sensor with the same deterministic scoring model. Use as explanatory context, then call calculate_field_of_view for final sensor
Return fixture-backed product-page handoff details for one lens, including DynamoDB-sourced optical specs and gated datasheet policy. Product-page/catalog optical fields are not a substitute for senso
Return fixture-backed joined catalog counts, validation status, source provenance, live connector readiness, and non-authoritative product-truth warning.
Report connector-free Shopify Storefront MCP and UCP Catalog compatibility, launch blockers, and Commonlands engineering differentiators.
Report sanitized Cloudflare Shopify binding presence, approved read scopes, and read-only safety flags without exposing secrets or calling Shopify.
Use this for live purchasable product truth: product and variant IDs, SKUs, prices, coarse availability, product URLs, and public product-page metafields. Public data only: active products, no exact i
Create a Shopify-owned cart for selected variant line items through the configured Shopify Cart/Storefront MCP endpoint. Commonlands MCP is a stateless proxy: cart state is stored and mutated by Shopi
Retrieve a Shopify-owned cart by cart id. Owner-bound: requires the cart_access_token returned by create_cart, so only the session that created a cart can read it. Cart persistence comes from Shopify;
Update a Shopify-owned cart through the configured Cart/Storefront MCP endpoint. Owner-bound: requires the cart_access_token returned by create_cart, so only the session that created a cart can change
Fixture-backed UCP Catalog search alias for Shopify-native product discovery; no live Shopify calls or cart behavior. Use this only for broad discovery; when a sensor or target FoV is involved, call m
Fixture-backed UCP Catalog lookup alias for product, variant, SKU, handle, or URL identifiers; returns not-found messages instead of writes. Lookup records are not enough for sensor-specific FoV; call
Fixture-backed UCP Catalog product detail alias with Commonlands optical metadata and Shopify-native handoff fields. Product optical fields are not a substitute for sensor-specific FoV; call calculate
Build a read-only Shopify-native purchase handoff seam for a selected lens without creating carts, checkout, orders, inventory mutations, or writes. Preserve any computed FoV provenance from calculate
Return safe dual-channel purchase route options for AI agents and robotics engineers across Commonlands MCP and Shopify-native channels without mutating commerce state. This explains commerce routes o
Rank Commonlands M12 lenses and C-mount lenses for an application note such as embedded robotics, machine-vision inspection, or a required lens field of view. Use as an application shortlist helper, t
Forward a buyer request-for-quote or engineering question to the Commonlands engineering team. Two-step, buyer-confirmed: the first call returns a preview and sends nothing; show the buyer the preview