# io.github.gbrussich52/mainstreet-mcp (npm · mainstreet-mcp)

Free small-business facts and stateless workflow review kits: quotes, invoices and order handoffs.

- Trust score: 91/100 (high trust)
- Change this week: +18
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-11-05

## Components

- mcpb · `mainstreet-mcp.mcpb`: 60/100, [markdown](https://verifymcp.io/servers/gbrussich52-mainstreet-mcp/https-github-com-gbrussich52-mainstreet-mcp-releases-download-v0-1-2-mainstreet.md), [page](https://verifymcp.io/servers/gbrussich52-mainstreet-mcp/https-github-com-gbrussich52-mainstreet-mcp-releases-download-v0-1-2-mainstreet)
- npm · `mainstreet-mcp`: 91/100 (this document), [markdown](https://verifymcp.io/servers/gbrussich52-mainstreet-mcp/mainstreet-mcp.md), [page](https://verifymcp.io/servers/gbrussich52-mainstreet-mcp/mainstreet-mcp)

## Channel facts

- Registry: `npm`
- Package: `mainstreet-mcp`
- Version: `0.1.5`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-11-05.

- **Supply Chain Security**: 100/100
  - No malware found by supply-chain analysis.
  - No known CVEs affecting this package version or its production dependencies.
  - No install/post-install scripts declared.
  - 0 of 7 dependencies flagged as unhealthy.
- **Provenance & Transparency**: 97/100
  - Source repository is publicly reachable at the declared URL.
  - Cryptographically verified build provenance (signed, bound to gbrussich52/mainstreet-mcp).
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 6 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 76/100
  - AI-judged instruction clarity (good).
  - Context-footprint check failed: tool/resource definitions use about 306 tokens (~153/item across 2 items; 2 tools + 0 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 73/100
  - Stability observed for 22 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
  - Structured output schemas are declared (100% of tools); any adoption earns full credit.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 2 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 3 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a current MCP spec version (2026-07-28).

## Install

### How do I install the io.github.gbrussich52/mainstreet-mcp server?

io.github.gbrussich52/mainstreet-mcp runs locally as an npm package, launched with npx -y mainstreet-mcp. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add gbrussich52-mainstreet-mcp -- npx -y mainstreet-mcp
```

### Cursor

```json
{
  "mcpServers": {
    "gbrussich52-mainstreet-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mainstreet-mcp"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "gbrussich52-mainstreet-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mainstreet-mcp"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add gbrussich52-mainstreet-mcp -- npx -y mainstreet-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "gbrussich52-mainstreet-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "mainstreet-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add gbrussich52-mainstreet-mcp --command npx --arg -y --arg mainstreet-mcp
```

### Hermes

```yaml
mcp_servers:
  gbrussich52-mainstreet-mcp:
    command: "npx"
    args: ["-y", "mainstreet-mcp"]
```

### Netclaw

```json
{
  "McpServers": {
    "gbrussich52-mainstreet-mcp": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "mainstreet-mcp"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add gbrussich52-mainstreet-mcp -t stdio -c npx -a -y mainstreet-mcp
```

### Other

```json
{
  "mcpServers": {
    "gbrussich52-mainstreet-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mainstreet-mcp"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-11-04 (score 91, +1)

No change was recorded against any check on this day. Stability & Change Management went from 67 to 70. That category is still filling its 30-day observation window: 20 days of observed history at the previous scan, 21 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-11-03 (score 90, 0)

- [functional regression] Security disclosure: unverified → fail

### 2026-11-02 (score 90, +1)

- [functional regression] Security disclosure: fail → unverified

### 2026-10-30 (score 89, +16)

- [security improvement] Malware scan: unverified → pass

### 2026-10-29 (score 73, −10)

- [security regression] CVE-2026-118663 affects this package: high
- [security regression] Malware scan: pass → unverified
- [security improvement] CVE-2023-54404 no longer affects this package
- [security improvement] GHSA-f897-62hf-6gxq no longer affects this package
- [security improvement] CVE-2026-111771 no longer affects this package
- [security improvement] CVE-2026-111768 no longer affects this package
- [security improvement] CVE-2026-111770 no longer affects this package
- [security improvement] Known CVEs: fail → pass
- [functional] Package version: 0.1.4 → 0.1.5

### 2026-10-28 (score 83, +1)

- [security regression] GHSA-f897-62hf-6gxq affects this package: high

### 2026-10-26 (score 82, +1)

No change was recorded against any check on this day. Stability & Change Management went from 37 to 40. That category is still filling its 30-day observation window: 11 days of observed history at the previous scan, 12 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-24 (score 81, +1)

- [security regression] CVE-2023-54404 affects this package: high

## MCP tools (2)

### `list_industries` (~34 tokens)

List Industries

Lists the industry starter kits this server can generate. Use this first, then pass the chosen id to create_business_config.

Output parameters:

- `industries` (array)

### `create_business_config` (~79 tokens)

Create Business Config

Writes a starter business.yaml for the chosen industry into the folder this server was pointed at. Refuses to overwrite an existing file. After this, edit the file with the owner's real details and have them reconnect the extension.

Input parameters:

- `industry` (string, required): Industry id from list_industries, e.g. "dental" or "home-services".

Output parameters:

- `industry` (string)
- `next_step` (string)
- `path` (string)

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/gbrussich52-mainstreet-mcp/mainstreet-mcp#diagnostics

## Score history

- 2026-11-05: 91
- 2026-11-04: 91
- 2026-11-03: 90
- 2026-11-02: 90
- 2026-11-01: 89
- 2026-10-31: 89
- 2026-10-30: 89
- 2026-10-29: 73
- 2026-10-28: 83
- 2026-10-27: 82
- 2026-10-26: 82
- 2026-10-25: 81
- 2026-10-24: 81
- 2026-10-23: 80
- 2026-10-22: 80
- 2026-10-21: 76
- 2026-10-20: 81
- 2026-10-19: 81
- 2026-10-18: 81
- 2026-10-17: 81
- 2026-10-16: 81
- 2026-10-15: 81
- 2026-10-14: 81
- 2026-10-13: 49
- 2026-10-12: 49

## Common questions

### What is the io.github.gbrussich52/mainstreet-mcp server?

io.github.gbrussich52/mainstreet-mcp is listed in the public MCP registry as io.github.gbrussich52/mainstreet-mcp. Free small-business facts and stateless workflow review kits: quotes, invoices and order handoffs. This page covers its npm package (mainstreet-mcp).

### Is the io.github.gbrussich52/mainstreet-mcp server safe to use?

io.github.gbrussich52/mainstreet-mcp scores 91 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 5 November 2026. It declares no install or post-install scripts. Its build provenance is signed and verified. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the io.github.gbrussich52/mainstreet-mcp server expose?

io.github.gbrussich52/mainstreet-mcp exposes 2 tools: list_industries, create_business_config. Their descriptions and schemas cost roughly 113 tokens of context every time the server is loaded.

### Is the io.github.gbrussich52/mainstreet-mcp server still maintained?

io.github.gbrussich52/mainstreet-mcp is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

### What licence is the io.github.gbrussich52/mainstreet-mcp server under?

io.github.gbrussich52/mainstreet-mcp declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.

## Links

- npm package: https://www.npmjs.com/package/mainstreet-mcp
- Socket report: https://socket.dev/npm/package/mainstreet-mcp
- Repository: https://github.com/gbrussich52/mainstreet-mcp
- Website: https://nyclaw.io/ai-workflows
- Changelog RSS feed: https://verifymcp.io/servers/gbrussich52-mainstreet-mcp/mainstreet-mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/gbrussich52-mainstreet-mcp/mainstreet-mcp.json
- HTML version of this page: https://verifymcp.io/servers/gbrussich52-mainstreet-mcp/mainstreet-mcp