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MCP server · Security

Nameguard

by · github.com/sushant-me/mcp-nameguard

Check an MCP server's tool names against the names agent frameworks reserve for their own tools (tool shadowing)

Unclaimed ai-securitymcpmodel-context-protocolpythontooling
InstallView source
34Low

Scored 28 days ago · breakdown

About Nameguard

Nameguard is an MCP server published by sushant-me in the Security category: check an MCP server's tool names against the names agent frameworks reserve for their own tools (tool shadowing).

Recent commit activity is the strongest signal that reported issues will get attention.

Install

From source
git clone https://github.com/sushant-me/mcp-nameguard

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

6 checks have not been run yet.

Releases

v0.4.8v0.4.8 — security fix: cap untrusted server replies · 20 Sep 2026Security fix: an unbounded reply from an untrusted server could kill the scanner Both transports read whatever the server sent. The HTTP client called `response.read()` with no limit, and the stdio readers iterated the pipe line by line —…
v0.4.7v0.4.7 — Go and Java guard status corrected · 17 Sep 2026Absence of a reserved-name list is not absence of a check. Corrected: `adk-go` and `adk-java` were reported as guarding 0 names, on the strength of there being no reserved-name list to cite. That was wrong. A server cannot take a…
v0.4.6mcp-nameguard v0.4.6 — fail closed on input that cannot be read · 16 Sep 2026Fail closed on input that cannot be read. The bug `check -` treated anything not starting with `[` or `{` as a newline-separated list of names. The README documents this pipeline: mcp-inspector list-tools --json | mcp-nameguard check - So…
v0.4.5mcp-nameguard v0.4.5 — GUARDED vs UNGUARDED, and a reproducible reality check · 16 Sep 2026Check the tool names an MCP server advertises against the names agent frameworks put on the wire themselves — cross-server tool shadowing. Install pip install "mcp-nameguard @ git+https://github.com/sushant-me/mcp-nameguard@v0.4.5" What it…
Questions

About Nameguard

How do I install Nameguard?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Nameguard safe to use with an AI agent?

Its trust score is 34 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Nameguard still maintained?

Yes — the latest release is v0.4.8 (20 Sep 2026), and the last commit was 27 days ago. The repository has 0 stars.