PostgreSQL connection URL. This server keeps its own index and does not run without a database; the repository ships docker-compose files that start one for you.
EMAILSERVER_AUTH_MODE
No
How callers are authenticated: development (no auth, loopback only), single_user (static bearer token), or google (multi-user OAuth).
EMAILSERVER_API_TOKEN
No
Bearer token required in single_user mode. At least 32 characters, or the server refuses to start. Secret.
CREDENTIAL_ENCRYPTION_KEY
No
Key used to encrypt stored mailbox credentials at rest. Generate with: openssl rand -base64 32 Secret.
Tools show up when the registry metadata or the repository README lists them. GitHub enrichment fills this in when a token is configured.
About
Your mail, indexed and searchable, as a remote MCP server you host yourself. Multi-user IMAP/Gmail sync into Postgres with exhaustive search and attachment text extraction.
FAQ
What is mailindex-mcp?
Search, move, mark, delete and draft your real mail over a self-hosted index.
How do I install mailindex-mcp?
Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.
Is mailindex-mcp official?
No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.
How is the trust score calculated?
This listing scores 37 (Limited). The formula is published on the methodology page.