asc_list_diagnostic_signatures
GET /v1/builds/{id}/diagnosticSignatures — Apple
This record as markdown: /tools/io-github-akoskomuves-appstoreconnect-mcp/asc-list-diagnostic-signatures.md
What asc_list_diagnostic_signatures does on Appstoreconnect Mcp
AI agents call asc_list_diagnostic_signatures to retrieve information from Appstoreconnect Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why asc_list_diagnostic_signatures is rated Low
This tool only retrieves diagnostic signature data associated with a build. It has no side effects, does not modify data, and does not trigger external operations. It is a straightforward data retrieval operation typical of a Read category tool. The low severity reflects that unauthorized access would expose build diagnostics but not enable destructive or financial actions.
From the tool's definition The tool uses GET method to retrieve diagnostic signatures from a build resource (/v1/builds/{id}/diagnosticSignatures). The verb 'list' combined with GET HTTP method indicates a read-only operation that retrieves data without modification.
Attacks that exploit this kind of access
The rule that runs asc_list_diagnostic_signatures safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Appstoreconnect Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For asc_list_diagnostic_signatures, this is the rule to start with:
asc_list_diagnostic_signatures is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Appstoreconnect Mcp, apply this rule, and every asc_list_diagnostic_signatures call is checked against it from then on.
Questions about asc_list_diagnostic_signatures
GET /v1/builds/{id}/diagnosticSignatures — Apple. It is categorised as a Read tool in the Appstoreconnect Mcp MCP Server, which means it retrieves data without modifying state.
Register the Appstoreconnect MCP server in PolicyLayer and add a rule for asc_list_diagnostic_signatures: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Appstoreconnect Mcp. Nothing to install.
asc_list_diagnostic_signatures is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the asc_list_diagnostic_signatures rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for asc_list_diagnostic_signatures. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
asc_list_diagnostic_signatures is provided by the Appstoreconnect MCP server (@akoskomuves/appstoreconnect-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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