Structural similarity-based code filter. Stops malicious code pattern reaching execution tools.
Connect Runs on your machine
claude mcp add code-firewall-mcp -e FIREWALL_DATA_DIR=<FIREWALL_DATA_DIR> -e OLLAMA_URL=<OLLAMA_URL> -e EMBEDDING_MODEL=<EMBEDDING_MODEL> -e SIMILARITY_THRESHOLD=<SIMILARITY_THRESHOLD> -- uvx code-firewall-mcp==0.7.0{
"mcpServers": {
"code-firewall-mcp": {
"command": "uvx",
"args": [
"code-firewall-mcp==0.7.0"
],
"env": {
"FIREWALL_DATA_DIR": "<FIREWALL_DATA_DIR>",
"OLLAMA_URL": "<OLLAMA_URL>",
"EMBEDDING_MODEL": "<EMBEDDING_MODEL>",
"SIMILARITY_THRESHOLD": "<SIMILARITY_THRESHOLD>"
}
}
}
}{
"mcpServers": {
"code-firewall-mcp": {
"command": "uvx",
"args": [
"code-firewall-mcp==0.7.0"
],
"env": {
"FIREWALL_DATA_DIR": "<FIREWALL_DATA_DIR>",
"OLLAMA_URL": "<OLLAMA_URL>",
"EMBEDDING_MODEL": "<EMBEDDING_MODEL>",
"SIMILARITY_THRESHOLD": "<SIMILARITY_THRESHOLD>"
}
}
}
}{
"servers": {
"code-firewall-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"code-firewall-mcp==0.7.0"
],
"env": {
"FIREWALL_DATA_DIR": "<FIREWALL_DATA_DIR>",
"OLLAMA_URL": "<OLLAMA_URL>",
"EMBEDDING_MODEL": "<EMBEDDING_MODEL>",
"SIMILARITY_THRESHOLD": "<SIMILARITY_THRESHOLD>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
FIREWALL_DATA_DIROptional | Directory for storing ChromaDB data |
OLLAMA_URLOptional | URL for Ollama server (default: http://localhost:11434) |
EMBEDDING_MODELOptional | Ollama embedding model (default: nomic-embed-text) |
SIMILARITY_THRESHOLDOptional | Block threshold 0-1 (default: 0.85) |
Details
| Package | [email protected] (PYPI, stdio) |
| Package | https://github.com/egoughnour/code-firewall-mcp/releases/download/v0.7.0/code-firewall-mcp.mcpb (MCPB, stdio) |
| First published | 19 Jan 2026 |
| Last updated | 19 Jan 2026 |
| Registry name | io.github.egoughnour/code-firewall-mcp |
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