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Diogenes Agent Guardrails & Sandbox MCP

io.github.stand-out-of-my-sun/diogenes-agent-guardrails-mcp

Install Source code

About Diogenes Agent Guardrails & Sandbox MCP

Diogenes Agent Guardrails & Sandbox MCP is an MCP server published by the GitHub account stand-out-of-my-sun. Autonomous agent guardrails, bash sandboxing, MCP rugpull diffing & prompt firewalls.

It is hosted by the publisher at one address, so there is nothing to install: your AI client connects to it over the internet.

It asks for no keys or passwords.

Version 1.0.0 was published on 20 October 2026, and the source code is public, so you can read it before installing.

Written from the registry entry. 7 automated checks on the registry entry and the live tool descriptions: 4 pass, 0 warn, 0 fail, 3 info. How we check.

What it asks for

This server declares no environment variables, so it asks for no keys or settings.

Checks

CheckResultDetail
Source repository linkedPasshttps://github.com/stand-out-of-my-sun/diogenes-agent-guardrails-mcp
Remote uses HTTPSPassAll remote endpoints use https://
Secrets requestedInfoAsks for no secrets
Namespace ownershipInfoName verified via GitHub account stand-out-of-my-sun
Registry text aimed at the AIPassDescription and settings contain no hidden characters or instructions to the AI
Tool descriptions readInfoLists 12 tools: verify_agent_command_safety, validate_sql_query_ast, execute_python_sandbox, audit_mcp_server_manifest, detect_mcp_schema_rugpull, validate_mcp_sampling_request, sanitize_tool_output_stream, redact_sensitive_pii, detect_agent_action_loop, verify_a2a_agent_card, audit_outbound_egress_url, audit_response_factuality
Hidden instructions in toolsPassRead every tool description: no hidden characters or instructions to the AI

Popularity & health: 47 / 100

Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.

Popularity4 / 40

2 GitHub stars, no download count, no Hacker News posts found. Best two of the three, each on a log scale.

Activity15 / 25

Last push 2026-10-27, last release 2026-10-20, 0 commits in 90 days.

Issue health8 / 15

0 closed of 0 issues, too few to judge. No data, so half marks.

Our checks20 / 20

0 warnings, each costing a fifth.

0 forks, 0 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.

What people say

No Hacker News threads link to its source code.

Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.

Facts

Registry nameio.github.stand-out-of-my-sun/diogenes-agent-guardrails-mcp
PublisherGitHub account stand-out-of-my-sun
How the name is verifiedName verified via GitHub account stand-out-of-my-sun. The registry ties the name prefix to that account or domain; it does not check the code.
TypeRemote: hosted at a URL, nothing to install
Remote endpointsstreamable-http https://diogenes-micro-gateway.corinth.workers.dev/mcp/agent-guardrails
Version1.0.0
Published
Last updated
Source repositoryhttps://github.com/stand-out-of-my-sun/diogenes-agent-guardrails-mcp
Websitehttps://diogenes-micro-gateway.corinth.workers.dev
CategoryAgent safety & governance (assigned by keyword rule, not by hand)

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