Best Vault MCP Servers
Vault is a product by HashiCorp that provides secure access to secrets and sensitive data using collaborative governance and encryption.
Why this server?
Provides a team vault for storing and rotating secrets, which can be referenced in deployments using vault:// references.
AlicenseAqualityCmaintenanceEnables AI coding agents to instantly provision ephemeral developer infrastructure like Postgres, Redis, MongoDB, and container deployments over HTTPS, with no Docker or signup required for the free anonymous tier.31MITWhy this server?
Detects and redacts HashiCorp Vault tokens in text.

classifinder-mcpofficial
AlicenseAqualityBmaintenanceEnables AI agents to scan text for leaked secrets and prompt injection markers, and redact them before reaching an LLM.21MITWhy this server?
Optionally retrieves PostgreSQL credentials and connection settings from HashiCorp Vault KV v2 instead of environment variables.
AlicenseAqualityBmaintenanceEnables governed access to corporate Postgres databases via MCP, supporting read-only queries, confirmed data and schema changes, query explanation, audit trail retrieval, and role-based policies with optional Vault secret integration.10MITWhy this server?
The gateway uses vaulted credential storage for rotating secrets like GitHub tokens in place.
AlicenseAqualityBmaintenanceThis MCP server preserves a Bearer principal on every tool call and SSE frame, rotates vaulted credentials in place, and enforces per-tool allowlists for agents.3MITWhy this server?
Enables the browser automation agent to fill password fields using secrets retrieved from HashiCorp Vault.
MITWhy this server?
Integrates with HashiCorp Vault for fetching PostgreSQL credentials securely using AppRole authentication, eliminating the need to store passwords in environment variables or config files.
AlicenseAqualityCmaintenanceA comprehensive PostgreSQL MCP server providing 27 tools for database management and administration, including connection management, query execution, schema introspection, CRUD operations, and server monitoring.2738 npmAGPL 3.0Why this server?
Integrates with HashiCorp Vault to securely retrieve database credentials for connections.
AlicenseAqualityAmaintenanceAn MCP server that gives AI agents access to configured databases (PostgreSQL, MySQL, Redshift, SQL Server) with SSH/AWS SSM tunnels, pluggable secret providers, and strict per-instance isolation.1067 npmMITWhy this server?
Allows fetching credentials from HashiCorp Vault instead of environment variables for configuration, enabling secure credential management.
AlicenseBqualityBmaintenanceMCP server for Nextcloud that exposes occ admin commands, OCS provisioning, and WebDAV file operations as tools.31MITWhy this server?
Detects leaked HashiCorp Vault tokens in code or diffs to prevent accidental exposure.
AlicenseAqualityBmaintenanceEnables scanning diffs or code blobs for leaked secrets, returning a verdict with severity and masked findings, all processed locally with no data sent externally.1MIT