MCP-Bastion
Rank #4,131io.github.vaquarkhan/mcp-bastion
Security middleware for MCP. Blocks prompt injection, PII leakage, and resource exhaustion.
What you can do with MCP-Bastion
MCP-Bastion is a Model Context Protocol (MCP) server published by vaquarkhan. It ranks #4,131 of 167,945 active servers on MCP Toplist, and its repository has 7 GitHub stars. MCP-Bastion is listed on Official MCP, with 14 tracked versions. It was first listed on Feb 23, 2026 and most recently updated on Oct 24, 2026.
Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.
What MCP-Bastion can and cannot do
Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.
What you need before using MCP-Bastion
The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.
Declared by the Official MCP Registry, last synced Nov 3, 2026. Not independently verified by MCP Toplist.
No runtime, credential or payment requirements are recorded for this server beyond the declaration above.
Connect MCP-Bastion and confirm it works
claude mcp add mcp-bastion -- uvx mcp-bastion-python[mcp_servers.mcp-bastion]
command = "uvx"
args = ["mcp-bastion-python"]Add to ~/.codex/config.toml.
{
"mcpServers": {
"mcp-bastion": {
"command": "uvx",
"args": [
"mcp-bastion-python"
]
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config).
{
"mcpServers": {
"mcp-bastion": {
"command": "uvx",
"args": [
"mcp-bastion-python"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"servers": {
"mcp-bastion": {
"type": "stdio",
"command": "uvx",
"args": [
"mcp-bastion-python"
]
}
}
}Save as .vscode/mcp.json in your workspace.
{
"mcpServers": {
"mcp-bastion": {
"command": "uvx",
"args": [
"mcp-bastion-python"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"mcp-bastion": {
"command": "uvx",
"args": [
"mcp-bastion-python"
]
}
}
}After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.
When to choose another server
No task-specific alternatives are catalogued for MCP-Bastionyet; the list above is its publisher's other servers.
What changed, and when this was checked
- First listed
- Feb 23, 2026
- Latest version published
- Oct 24, 2026
- Version history
- 14 versions tracked (below)
- Requirements evidence
- Declared by the Official MCP Registry, last synced Nov 3, 2026. Not independently verified by MCP Toplist.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Oct 24, 2026
- Official MCP ↗listed since Apr 25, 2026 · still listed
Do you maintain MCP-Bastion? to correct or enrich this profile.
Available versions (14)
| Version | Published |
|---|---|
| 4.1.0 | Oct 24, 2026 |
| 5.1.0 | Aug 16, 2026 |
| 5.0.0 | Aug 9, 2026 |
| 4.0.0 | Jul 31, 2026 |
| 3.3.1 | Jul 24, 2026 |
| 3.3.0 | Jul 21, 2026 |
| 3.2.0 | Jul 21, 2026 |
| 3.1.2 | Jul 12, 2026 |
| 3.1.1 | Jul 12, 2026 |
| 3.1.0 | Jul 12, 2026 |
| 3.0.1 | Jul 12, 2026 |
| 1.0.11 | Feb 24, 2026 |
| 1.0.10 | Feb 23, 2026 |
| 0.1.0 | Nov 25, 2024 |
Ranks ahead of 163,814 of 167,945 servers on MCP Toplist.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.vaquarkhan%2Fmcp-bastion)<a href="https://mcptoplist.com/server/io.github.vaquarkhan%2Fmcp-bastion"><img src="https://mcptoplist.com/badge/io.github.vaquarkhan%2Fmcp-bastion.svg" alt="MCP Toplist: Top 5% of 167,945" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Who maintains MCP-Bastion?
- MCP-Bastion is maintained by vaquarkhan, which publishes 2 MCP servers (14 total versions) tracked on MCP Toplist.
- Is MCP-Bastion listed on the Official MCP Registry?
- Yes — MCP-Bastion is listed on the Official MCP Registry.
- How many versions does MCP-Bastion have?
- MCP Toplist tracks 14 versions of MCP-Bastion, most recently published on Oct 24, 2026.
- Where can I find the source code for MCP-Bastion?
- The source code for MCP-Bastion is hosted at github.com/vaquarkhan/MCP-Bastion.
Do you run this server?
Community projects list the MCP servers behind real agents and apps. Publish yours and this page will link to it.