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Secure Firecracker microVM sandboxes for AI agents: network policy, PII & injection guardrails.
About
Secure Firecracker microVM sandboxes for AI agents: network policy, PII & injection guardrails.
Security Report
Valid MCP server (5 strong, 6 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry.
8 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: DECLAW_API_KEY
Environment variable: DECLAW_DOMAIN
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-declaw-ai-mcp-server": {
"env": {
"DECLAW_DOMAIN": "your-declaw-domain-here",
"DECLAW_API_KEY": "your-declaw-api-key-here"
},
"args": [
"-y",
"@declaw/mcp-server"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
Declaw MCP Server
MCP server for Declaw — secure sandbox execution for AI agents with network policies, PII scanning, prompt injection defense, and audit logging.
Works with Claude Desktop, Claude Code, Cursor, Windsurf, and any MCP-compatible AI tool.
Quick Start
Claude Desktop / Cursor / Windsurf
Add to your MCP config:
{
"mcpServers": {
"declaw": {
"command": "npx",
"args": ["-y", "@declaw/mcp-server"],
"env": {
"DECLAW_API_KEY": "your-api-key"
}
}
}
}
Claude Code
claude mcp add declaw -- npx -y @declaw/mcp-server
Set DECLAW_API_KEY in your environment.
Tools
| Tool | Description |
|---|---|
create_sandbox | Create a secure sandbox with configurable security policies |
run_command | Execute a shell command inside a sandbox |
read_file | Read a file from a sandbox |
write_file | Write a file to a sandbox |
list_files | List directory contents in a sandbox |
kill_sandbox | Destroy a sandbox |
list_sandboxes | List all active sandboxes |
Security Presets
When creating a sandbox, choose a security preset:
none— No guardrails. Full internet access.standard(default) — PII scanning + audit logging. Full internet access.strict— PII scanning + prompt injection defense + audit logging + network deny-all.
You can also pass allowed_domains to restrict outbound traffic to specific domains:
create_sandbox with template="python", security_preset="strict", allowed_domains=["pypi.org", "github.com"]
Why Declaw?
| Declaw | Other Sandbox Providers | |
|---|---|---|
| Sandbox execution | Yes | Yes |
| Non-bypassable network controls | Yes | ?? |
| PII scanning | Yes | No |
| Injection defense | Yes | No |
| Full audit trail | Yes | Basic |
| Snapshots | Yes | Varies |
| Multiple templates | 8 built-in | Varies |
| Interactive stdio | Yes | Varies |
Environment Variables
| Variable | Required | Description |
|---|---|---|
DECLAW_API_KEY | Yes | Your Declaw API key |
DECLAW_DOMAIN | No | Custom API domain (for on-prem deployments) |
On-Prem
For self-hosted Declaw deployments, set the domain:
{
"mcpServers": {
"declaw": {
"command": "npx",
"args": ["-y", "@declaw/mcp-server"],
"env": {
"DECLAW_API_KEY": "your-api-key",
"DECLAW_DOMAIN": "declaw.internal.company.com"
}
}
}
}
License
Apache-2.0
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