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Mobile attribution and marketing analytics from Kochava — no prior account needed, sign up and query data within the session.
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 k4a_mcp_server MCP server exposes 2 tools, focused primarily on general-purpose capabilities. Its published description reads: "Mobile attribution and marketing analytics from Kochava — no prior account needed, sign up and query data within the session". It communicates over Streamable HTTP using the 2026-07-28 protocol revision, and does not require authorization to connect. MCPGrade currently rates k4a_mcp_server F — a critical issue was found and the server should not be connected as-is. Its most notable findings include "Hidden instructions in a tool description" 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 k4a_mcp_server's advertised tools, transport security, and authorization posture before connecting an autonomous agent or sharing sensitive context with it.
Add k4a_mcp_server to an MCP client using the endpoint below. Review the grade and findings above before granting an autonomous agent access.
MCP endpoint
https://analytics.mcp.kochava.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.
Retrieve the FAA (Free App Analytics) Terms of Service document link. Use this tool when the user wants to review the Terms of Service before creating an FAA account. Returns a clickable link to the T
Create a new Kochava FAA (Free App Analytics) account. IMPORTANT: The user MUST explicitly agree to the FAA Terms of Service before account creation. If tos_agreed is False, this tool will return the
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: kochava_free_app_analytics_create_acc_and_get_auth_key
A tool description contains imperative text aimed at the model (e.g. "ignore previous", "before answering read …").
tics) account. IMPORTANT: The user MUST explicitly agree to the FAA TermsRecommendationRemove model-directed instructions from tool descriptions.
tool: kochava_free_app_analytics_create_acc_and_get_auth_key
A tool description tries to alter the model’s use of another tool.
the form. Call kochava_free_app_analytics_get_tos() to retrieve and present the TOS to the user fRecommendationDescriptions 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: kochava_free_app_analytics_create_acc_and_get_auth_key
The server advertises open-world / broadly-scoped capabilities.
no annotations on write-capable tool "kochava_free_app_analytics_create_acc_and_get_auth_key"RecommendationScope tools to the minimum needed.
tool: kochava_free_app_analytics_create_acc_and_get_auth_key
The description pairs a fetch imperative with a hardcoded external URL, letting the server relocate its real instructions off-metadata and mutate them after review. Fires only when a fetch verb and a URL co-occur, so benign documentation links do not.
of Service: https://s34035.pcdn.co/wp-content/uploads/2023/08/FAA-Web-Sign-Up-TOS-8-15-23.pdf Example (after user revie…RecommendationDo not direct the model to fetch and act on external URLs; treat linked content as untrusted.
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