Sheet & Flow Landlord Math
io.github.onyxaholguin-cyber/sheet-and-flow-mcp
About Sheet & Flow Landlord Math
Sheet & Flow Landlord Math is an MCP server published by the GitHub account onyxaholguin-cyber. Landlord math: rental cash flow, cap rate, DSCR, Airbnb break-even, late fees, lease notices.
It runs on your own machine: your AI client starts it from the MCP bundle package sheet-and-flow-mcp-1.0.0.mcpb, with no version pinned.
It asks for no keys or passwords.
Version 1.0.0 was published on 12 October 2026, and the source code is public, so you can read it before installing.
Written from the registry entry. 8 automated checks on the registry entry and the package code: 5 pass, 1 warn, 0 fail, 2 info. How we check.
What it asks for
This server declares no environment variables, so it asks for no keys or settings.
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/onyxaholguin-cyber/sheet-and-flow-mcp |
| Version pinned | Warn | Not pinned: https://github.com/onyxaholguin-cyber/sheet-and-flow-mcp/releases/download/v1.0.0/sheet-and-flow-mcp-1.0.0.mcpb |
| 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 onyxaholguin-cyber |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Code red flags | Pass | Read 6 files in the bundle: 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 6 files, including comments and the README |
Popularity & health: 39 / 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, 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 name | io.github.onyxaholguin-cyber/sheet-and-flow-mcp |
|---|---|
| Publisher | GitHub account onyxaholguin-cyber |
| How the name is verified | Name verified via GitHub account onyxaholguin-cyber. 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 | mcpb https://github.com/onyxaholguin-cyber/sheet-and-flow-mcp/releases/download/v1.0.0/sheet-and-flow-mcp-1.0.0.mcpb no version given (stdio) |
| Version | 1.0.0 |
| Published | |
| Last updated | |
| Source repository | https://github.com/onyxaholguin-cyber/sheet-and-flow-mcp |
| Website | https://onyxaholguin-cyber.github.io/sheet-and-flow/ |
| Category | Security (assigned by keyword rule, not by hand) |
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