gsc-mcp (Walma-Labs/gsc-mcp) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 5 tools. No publisher has claimed this listing.
Read-only Google Search Console MCP server with service-account auth (search analytics, period comparison, sitemaps, URL inspection)
Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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Walma-Labs
Source: github_repo_search
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Install from
The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.
GSC_SERVICE_ACCOUNT_FILEThe server reads one environment variable, , the path to the JSON key.Tool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
5/5 tools missing one or more hints — list_sites (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); search_analytics (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); compare_periods (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +2 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tests exist
No test files found
Add tests that exercise each declared tool.
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