io.github.chrischall/signupgenius-mcp
SignUpGenius for Claude — sign-ups, slot reports, and groups. Free accounts or Pro API key.
Using io.github.chrischall/signupgenius-mcp in Claude, Cursor, Gemini CLI, Cline, or Zed?
MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts—before your agent acts. Zero credentials. This is not the package install for this server itself (use Install this server for that).
Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less
curl -fsSL https://mcpindex.ai/install.sh | shSemantic screen found no manipulation pattern in the description. Conformance probe not yet run.
mcpindex.integrity.descriptionpassINFOevidence“No malicious instructions found”via static_description
- - Semantic screen only - the deterministic conformance probe has not run on this server
- - Confidence is reported but not yet calibrated (v1)
- - Screen reads the tool description, not the live behavior
- - advisory
- - registry description only no input schema
- - screen model 8b
Semantic screen: an LLM judge reads the tool description for hidden instructions (status PARTIAL). A pass means the description is not lying, not that the tool is safe: a high-capability tool with an honest description still warrants caution. The deterministic conformance probe has not been run on this server yet, so the screen here is semantic-only. Posture: advisory. Confidences are reported but not yet calibrated (calibrated=false at v1). Full verdict history is not shown on this page.
Own this server? Screen its description →
A live verdict badge for your README or listing. It reflects the current screen, links back here, and updates when the verdict does.
[](https://mcpindex.ai/server/io-github-chrischall-signupgenius-mcp)<a href="https://mcpindex.ai/server/io-github-chrischall-signupgenius-mcp"><img src="https://mcpindex.ai/api/v1/badge/io-github-chrischall-signupgenius-mcp" alt="mcpindex verdict" height="20" /></a>SIGNUPGENIUS_EMAILSignUpGenius login email (recommended). Pair with SIGNUPGENIUS_PASSWORD for session mode — works on free accounts. No SSO/2FA.
SIGNUPGENIUS_PASSWORDSignUpGenius password (recommended) — required iff SIGNUPGENIUS_EMAIL is set.
SIGNUPGENIUS_USER_KEYSignUpGenius Pro API key (Pro Tools > API Management). Required only for slot REPORTS — Pro subscription needed.
SIGNUPGENIUS_NAMEFriendly account name used in startup logs.
SIGNUPGENIUS_BASE_URLOverride the default JSON API base (v2/k for key mode, v3 for session mode).
SIGNUPGENIUS_LEGACY_BASE_URLSession mode only: override the host for legacy /SUGboxAPI.cfm calls. Defaults to https://www.signupgenius.com.
SIGNUPGENIUS_LOGIN_URLSession mode only: override the login-form host. Defaults to https://www.signupgenius.com.
SIGNUPGENIUS_DISABLE_FETCHPROXYSet to 1 to skip the fetchproxy browser-extension fallback (missing creds become a hard error — useful in headless CI).
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