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Cryyer

Environment Variables

Core

Section titled “Core”
VariableRequiredDescription
GITHUB_TOKENYesGitHub personal access token
RESEND_API_KEYConditionalResend API key (required when EMAIL_PROVIDER=resend or unset)
FROM_EMAILYesDefault sender email address
FROM_NAMENoDefault sender name
CRYYER_REPOWorkflowsowner/repo for draft issue creation
CRYYER_ROOTMCP onlyProject root path (defaults to cwd)
ISSUE_NUMBERCI onlySet by GitHub Actions for send-on-close
GITHUB_REPOSITORYCI onlySet by GitHub Actions

LLM Provider

Section titled “LLM Provider”
VariableDefaultDescription
LLM_PROVIDERanthropicanthropic, openai, or gemini
LLM_MODELPer-providerOverride the default model
ANTHROPIC_API_KEY—Required when LLM_PROVIDER=anthropic
OPENAI_API_KEY—Required when LLM_PROVIDER=openai
GEMINI_API_KEY—Required when LLM_PROVIDER=gemini

Default models: Anthropic claude-sonnet-4-5-20250514, OpenAI gpt-4o, Gemini gemini-1.5-flash.

See LLM Providers for setup details.

Email Provider

Section titled “Email Provider”
VariableDefaultDescription
EMAIL_PROVIDERresendresend or gmail
RESEND_API_KEY—Required when EMAIL_PROVIDER=resend (or unset)
GMAIL_REFRESH_TOKEN—Required when EMAIL_PROVIDER=gmail; set via cryyer auth gmail

Subscriber Store

Section titled “Subscriber Store”
VariableDefaultDescription
SUBSCRIBER_STOREsupabasesupabase, json, gist, or google-sheets

Supabase

Section titled “Supabase”
VariableDescription
SUPABASE_URLYour Supabase project URL
SUPABASE_SERVICE_KEYSupabase service role key

JSON File

Section titled “JSON File”
VariableDefaultDescription
SUBSCRIBERS_JSON_PATH./subscribers.jsonPath to subscriber data
EMAIL_LOG_JSON_PATH./email-log.jsonPath to email send log

GitHub Gist

Section titled “GitHub Gist”
VariableDescription
GITHUB_GIST_IDID of a private Gist containing subscribers.json
GITHUB_TOKENClassic PAT with gist scope (fine-grained PATs do not support gists; the default Actions token cannot access private gists)

Google Sheets

Section titled “Google Sheets”
VariableDescription
GOOGLE_SHEETS_SPREADSHEET_IDThe ID from your spreadsheet URL
GOOGLE_SERVICE_ACCOUNT_EMAILService account email
GOOGLE_PRIVATE_KEYService account private key (PEM format)

See Subscriber Stores for setup details.

Waitlist (Site only)

Section titled “Waitlist (Site only)”
VariableDescription
RESEND_AUDIENCE_IDResend Audience ID for waitlist signups