How do I use Credential Manager MCP Server?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@Credential Manager MCP Server list all my stored credentials" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

🔐 Credential Manager MCP Server

Test License: MIT Python 3.13+

A secure MCP server for managing API credentials locally. Read-only by default with simple JSON storage.

✨ Features

🔒 Secure by default - Read-only mode prevents accidental changes
📁 Simple storage - ~/.credential-manager-mcp/credentials.json
🔧 Easy setup - Interactive shell script
🔄 Multi-instance safe - Always reads fresh data from disk
🎯 Minimal exposure - Shows only essential data

🚀 Quick Start

1. Install & Configure

# Install from PyPI uvx credential-manager-mcp

Common config (Claude Desktop):

{ "mcpServers": { "credential-manager": { "command": "uvx", "args": ["credential-manager-mcp"], "env": { "CREDENTIAL_MANAGER_READ_ONLY": "false" } } } }

Devlopment config (run from source):

{ "mcpServers": { "credential-manager": { "command": "uv", "args": [ "--directory", "/path/to/credential-manager-mcp", "run", "credential-manager-mcp" ], "env": { "CREDENTIAL_MANAGER_READ_ONLY": "false" } } } }

2. Add Credentials

# Interactive mode ./add-credential.sh # Command line ./add-credential.sh "GitHub" "https://api.github.com" "ghp_token" "username" "2024-12-31T23:59:59"

🛠 Available Tools

Read-Only Mode (Default):

list_credentials() - List credentials (id, app name only)
get_credential_details(credential_id) - Get full details

Read-Write Mode:

add_credential(app, base_url, access_token, [user_name], [expires])
update_credential(credential_id, [fields...])
delete_credential(credential_id)

📋 Usage Examples

# List all credentials list_credentials() # {"credentials": [{"id": "abc...", "app": "GitHub"}], "count": 1} # Get credential details get_credential_details("credential-id") # Add new credential (write mode only) add_credential("GitHub", "https://api.github.com", "ghp_token", "user", "2024-12-31T23:59:59")

⚙️ Configuration

Environment Variables:

CREDENTIAL_MANAGER_READ_ONLY - Set to "false" for write operations (default: "true")

Expiration Format:

"2024-12-31T23:59:59" - ISO datetime
"never" - No expiration

🔒 Security

Read-only by default
Local storage only (~/.credential-manager-mcp/credentials.json)
File locking for safe concurrent access
Minimal data exposure in listings

🧪 Development

git clone https://github.com/mclamee/credential-manager-mcp.git cd credential-manager-mcp uv sync --dev uv run pytest test/ -v

📄 License

MIT License - see LICENSE file for details.

This server cannot be installed

-

security - not tested

A

license - permissive license

-

quality - not tested

How are these scores calculated?

Resources

GitHub Repository

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