Yagami AI Context Firewall
io.github.MatthewTracy/yagami
About Yagami AI Context Firewall
Yagami AI Context Firewall is an MCP server published by the GitHub account MatthewTracy. Open-source AI context firewall for governed model, retrieval, memory, and tool access.
It runs on your own machine: your AI client starts it from the PyPI package yagami at version 0.8.3.
It asks for no keys or passwords.
Version 0.8.3 was published on 6 October 2026, and the source code is public, so you can read it before installing.
Written from the registry entry. 9 automated checks on the registry entry and the package code: 7 pass, 0 warn, 0 fail, 2 info. How we check.
What it asks for
| Variable | Required | Secret | Description |
|---|---|---|---|
YAGAMI_HEADLESS | No | No | No description given |
YAGAMI_MCP_SERVER_ENABLED | No | No | No description given |
YAGAMI_REQUIRE_AUTH | No | No | No description given |
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/MatthewTracy/yagami |
| Version pinned | Pass | Every package has an explicit version |
| Secrets requested | Info | Asks for no secrets |
| Known package registry | Pass | All packages come from npm, PyPI, OCI, NuGet or MCPB |
| Namespace ownership | Info | Name verified via GitHub account MatthewTracy |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Install scripts | Pass | yagami 0.8.3 has no setup.py; nothing runs at install |
| Code red flags | Pass | Read 126 files in yagami 0.8.3: no obfuscation, encoded execution, credential reads or data-collection endpoints found |
| Text aimed at the AI | Pass | No hidden characters or instructions to the AI in 126 files, including comments and the README |
Popularity & health: 51 / 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.
0 forks, 37 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 name | io.github.MatthewTracy/yagami |
|---|---|
| Publisher | GitHub account MatthewTracy |
| How the name is verified | Name verified via GitHub account MatthewTracy. The registry ties the name prefix to that account or domain; it does not check the code. |
| Type | Local: runs on your machine from a package |
| Packages | pypi yagami 0.8.3 (streamable-http) |
| Version | 0.8.3 |
| Published | |
| Last updated | |
| Source repository | https://github.com/MatthewTracy/yagami |
| Website | https://matthewtracy.github.io/yagami/ |
| Category | Productivity & notes (assigned by keyword rule, not by hand) |
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