taru (notoofly/taru) is an MCP server listed on the M8ven Trust Index. It scores 68 out of 100, grade C. It declares 60 tools. The publisher has proved control of what we score (Verified Publisher). It is connected through the M8ven GitHub App, so the listing is re-checked on every push.
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Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
How we verified
every push re-verified
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.
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
Better Auth: OAuth refresh-token replay via missing client authentication on oidc-provider and mcp plugins
Better Auth: OAuth refresh-token rotation forks the token family on concurrent redemption
@better-auth/oauth-provider's OAuth authorization-code grant allows concurrent redemption when two token requests race the find-then-delete primitive
Better Auth has stored XSS in the auth-server origin via javascript: redirect_uri in oidc-provider and mcp
Better Auth has insecure cryptographic defaults in oidcProvider: alg=none advertised and plain PKCE accepted by default
BETTER_AUTH_SECRETLOG_LEVELOPENAI_API_KEYORIGINDATABASE_URLDependencies
57 runtime dependencies (8 dev), 3 flagged: @playwright/test, @vitest/browser-playwright, playwright
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
60/60 tools missing one or more hints — container_inspect (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); container_logs (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); container_stats (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +57 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.
Tool test coverage
Only 5/60 tools referenced in tests (8%)
Write tests that reference each tool by name so every tool has at least one test.
Production dependencies are patched
1 critical, 8 high severity in production deps — better-auth@1.4.21 (critical), better-auth@1.4.21 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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