SERVER

MCP-Bastion

Rank #4,131

io.github.vaquarkhan/mcp-bastion

Security middleware for MCP. Blocks prompt injection, PII leakage, and resource exhaustion.

14 versions
7 GitHub stars
by vaquarkhan (2 servers)View repository ↗
First listed
Feb 23, 2026
Last publish date
Oct 24, 2026
PURPOSE

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.

CAPABILITIES AND LIMITATIONS

What MCP-Bastion can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using MCP-Bastion

DeclaredNo credentialsNo credentials declared

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.

INSTALLATION AND FIRST TASK

Connect MCP-Bastion and confirm it works

Python package (PyPI)
claude mcp add mcp-bastion -- uvx mcp-bastion-python
First successful task

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.

ALTERNATIVES

When to choose another server

Other servers by vaquarkhan
View all vaquarkhan servers →

No task-specific alternatives are catalogued for MCP-Bastionyet; the list above is its publisher's other servers.

MAINTENANCE AND EVIDENCE

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
Registry sightings

Do you maintain MCP-Bastion? to correct or enrich this profile.

VERSIONS

Available versions (14)

0.1.0 · Nov 25, 20241.0.10 · Feb 23, 20261.0.11 · Feb 24, 20263.0.1 · Jul 12, 20263.1.0 · Jul 12, 20263.1.1 · Jul 12, 20263.1.2 · Jul 12, 20263.2.0 · Jul 21, 20263.3.0 · Jul 21, 20263.3.1 · Jul 24, 20264.0.0 · Jul 31, 20265.0.0 · Aug 9, 20265.1.0 · Aug 16, 20264.1.0 · Oct 24, 2026Nov 25, 2024Oct 24, 2026
VersionPublished
4.1.0Oct 24, 2026
5.1.0Aug 16, 2026
5.0.0Aug 9, 2026
4.0.0Jul 31, 2026
3.3.1Jul 24, 2026
3.3.0Jul 21, 2026
3.2.0Jul 21, 2026
3.1.2Jul 12, 2026
3.1.1Jul 12, 2026
3.1.0Jul 12, 2026
3.0.1Jul 12, 2026
1.0.11Feb 24, 2026
1.0.10Feb 23, 2026
0.1.0Nov 25, 2024
STANDING
#4,131of 167,945 active serversTop 5%

Ranks ahead of 163,814 of 167,945 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

MCP Toplist: Top 5% of 167,945
Markdown
[![MCP Toplist](https://mcptoplist.com/badge/io.github.vaquarkhan%2Fmcp-bastion.svg)](https://mcptoplist.com/server/io.github.vaquarkhan%2Fmcp-bastion)
HTML
<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.

FAQ

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.
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