The official HashiCorp Vault MCP server lets AI assistants read, write, list, and delete secrets in Vault's KV engine through a safe, auditable MCP interface. Supports both stdio and HTTP transports, TLS encryption, and CORS controls.
Scanned 6/8/2026
Install via CLI
openskills install agentskillexchange/skills---
name: "HashiCorp Vault MCP Server"
slug: "hashicorp-vault-mcp-server"
description: "The official HashiCorp Vault MCP server lets AI assistants read, write, list, and delete secrets in Vault's KV engine through a safe, auditable MCP interface. Supports both stdio and HTTP transports, TLS encryption, and CORS controls."
github_stars: 49
verification: "security_reviewed"
source: "https://github.com/hashicorp/vault-mcp-server"
author: "HashiCorp"
publisher_type: "company"
category: "Security & Verification"
framework: "MCP"
tool_ecosystem:
github_repo: "hashicorp/vault-mcp-server"
github_stars: 49
---
# HashiCorp Vault MCP Server
The official HashiCorp Vault MCP server lets AI assistants read, write, list, and delete secrets in Vault's KV engine through a safe, auditable MCP interface. Supports both stdio and HTTP transports, TLS encryption, and CORS controls.
## Prerequisites
MCP-compatible client, HashiCorp Vault server, Vault token with appropriate permissions, Go 1.24+ or Docker
## Installation
Use the upstream install or setup path that matches your environment:
- git clone https://github.com/hashicorp/vault-mcp-server.git
- make build
- make run-http
- make docker-build
Requirements and caveats from upstream:
- Docker
- "command": "docker",
- ## Working with Docker
Basic usage or getting-started notes:
- Go 1.24 or later (if building from source)
- HashiCorp Vault server running locally or remotely
- A valid Vault token with appropriate permissions
- Source: https://github.com/hashicorp/vault-mcp-server
- Extracted from upstream docs: https://raw.githubusercontent.com/hashicorp/vault-mcp-server/HEAD/README.md
## Documentation
- https://developer.hashicorp.com/vault/docs/mcp-server/overview
## Source
- [Agent Skill Exchange](https://agentskillexchange.com/skills/hashicorp-vault-mcp-server/)
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Ultra-compressed communication mode. Cuts token usage ~75% by speaking like caveman while keeping full technical accuracy. Supports intensity levels: lite, full (default), ultra, wenyan-lite, wenyan-full, wenyan-ultra. Use when user says "caveman mode", "talk like caveman", "use caveman", "less tokens", "be brief", or invokes /caveman. Also auto-triggers when token efficiency is requested.