Bastion MCP Server
by gowthaman90io.github.Gowthaman90/mcp-bastionv0.6.1
Security proxy for MCP servers: tool-definition pinning, tool-poisoning and exfiltration detection, injection blocking, secret redaction and audit trails.
context tax
queued
security
queued
cold start
queued
freshness
Active10d ago
Install Bastion MCP server
Install in Claude Code
claude mcp add bastion -- npx -y mcp-bastionInstall in Cursor
{
"mcpServers": {
"bastion": {
"command": "npx",
"args": [
"-y",
"mcp-bastion"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"bastion": {
"command": "npx",
"args": [
"-y",
"mcp-bastion"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"bastion": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-bastion"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"bastion": {
"command": "npx",
"args": [
"-y",
"mcp-bastion"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Freshness
Active — last maintenance signal 10d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-30 · 10d ago · GitHub
Latest release
2026-09-30 · 10d ago · GitHub · v1.1.0
Package published
no data · npm/PyPI
Registry entry updated
2026-07-16 · 3mo ago · official registry · v0.6.1
FAQ
›How do I install the Bastion MCP server in Claude Code?
Run: claude mcp add bastion -- npx -y mcp-bastion. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Bastion require an API key?
No required environment variables are declared in its published metadata.
›Can I use Bastion as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Bastion in the official MCP registry?
Yes, as io.github.Gowthaman90/mcp-bastion.
Alternatives to Bastion
Other security MCP servers.