exponential (Niach/exponential) is an MCP server listed on the M8ven Trust Index. It scores 56 out of 100, grade D. It declares 64 tools. No publisher has claimed this listing.
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.
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Niach
Source: github_code
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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.
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
tRPC has possible prototype pollution in `experimental_nextAppDirCaller`
Better Auth has stored XSS in the auth-server origin via javascript: redirect_uri in oidc-provider and mcp
Better Auth: Account takeover via pre-account hijacking on magic-link and email-OTP sign-in
Drizzle ORM has SQL injection via improperly escaped SQL identifiers
vite: `server.fs.deny` bypass on Windows alternate paths
APPLE_APP_BUNDLE_IDENTIFIERAPPLE_CLIENT_IDAPPLE_CLIENT_SECRETAPPLE_LOGIN_ENABLEDAUTH_PASSWORD_ENABLEDBETTER_AUTH_TRUSTED_ORIGINSBETTER_AUTH_URLBUN_CONFIG_MAX_HTTP_REQUESTSCREEM_API_KEYCREEM_WEBHOOK_SECRETGOOGLE_CLIENT_IDGOOGLE_CLIENT_SECRETGOOGLE_LOGIN_ENABLEDHOSTNITRO_HOSTNITRO_PORTNITRO_SSL_CERTNITRO_SSL_KEYS3_ACCESS_KEYS3_BUCKETS3_ENDPOINTS3_REGIONS3_SECRET_KEYSECURITY_HEADERS_ENABLEDDATABASE_URLPORTTool 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
74/74 tools missing one or more hints — exponential_teams_list (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); exponential_teams_get (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); exponential_boards_list (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +71 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.
README present
No README found
Add a README.md describing the server and its tools.
Production dependencies are patched
0 critical, 4 high severity in production deps — @trpc/server@11.7.2 (high), better-auth@1.6.11 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dev dependencies
1 critical/high in dev-only deps (does not ship to users)
Upgrade dev dependencies when convenient.
Domain consistency
npm scope @exp doesn't match GitHub owner niach
Use the same org name across GitHub, npm, and your homepage so users can verify the publisher.
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