# Sunstone Weave: Local Semantic Code Search (npm · blackwindow-weave-mcp)

Semantic search over local folders of code and docs, with a code-search encoder running on your CPU.

- Trust score: 74/100 (medium)
- Change this week: −2
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-10-24

## Components

- npm · `blackwindow-weave-mcp`: 74/100 (this document), [markdown](https://verifymcp.io/servers/space-bacon-blackwindow-weave-mcp/blackwindow-weave-mcp.md), [page](https://verifymcp.io/servers/space-bacon-blackwindow-weave-mcp/blackwindow-weave-mcp)

## Channel facts

- Registry: `npm`
- Package: `blackwindow-weave-mcp`
- Version: `0.1.2`
- 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 2026-10-24.

- **Supply Chain Security**: 81/100
  - No malware found by supply-chain analysis.
  - CVE check failed: a known high-severity CVE affects zod 3.25.76, a direct dependency. A fixed version is available.
  - No install/post-install scripts declared.
  - 43 of 159 dependencies flagged as unhealthy.
- **Provenance & Transparency**: 32/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - License check failed: the license (BUSL-1.1) isn't a recognized OSI-approved license.
  - Actively maintained (last published 23 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 81/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 275 tokens (~68/item across 4 items; 4 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 80/100
  - Stability observed for 24 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.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - All 1 tool(s) whose name or description implies an irreversible operation declare an MCP destructiveHint annotation.
  - An AI judge read all 4 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### How do I install the Sunstone Weave: Local Semantic Code Search MCP server?

Sunstone Weave: Local Semantic Code Search runs locally as an npm package, launched with npx -y blackwindow-weave-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 space-bacon-blackwindow-weave-mcp -- npx -y blackwindow-weave-mcp
```

### Cursor

```json
{
  "mcpServers": {
    "space-bacon-blackwindow-weave-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "blackwindow-weave-mcp"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "space-bacon-blackwindow-weave-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "blackwindow-weave-mcp"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add space-bacon-blackwindow-weave-mcp -- npx -y blackwindow-weave-mcp
```

### opencode

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

### OpenClaw

```bash
openclaw mcp add space-bacon-blackwindow-weave-mcp --command npx --arg -y --arg blackwindow-weave-mcp
```

### Hermes

```yaml
mcp_servers:
  space-bacon-blackwindow-weave-mcp:
    command: "npx"
    args: ["-y", "blackwindow-weave-mcp"]
```

### Netclaw

```json
{
  "McpServers": {
    "space-bacon-blackwindow-weave-mcp": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "blackwindow-weave-mcp"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add space-bacon-blackwindow-weave-mcp -t stdio -c npx -a -y blackwindow-weave-mcp
```

### Other

```json
{
  "mcpServers": {
    "space-bacon-blackwindow-weave-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "blackwindow-weave-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.

### 2026-10-24 (score 74, −5)

- [security regression] CVE-2023-54404 affects this package: high
- [security regression] Known CVEs: pass → fail

### 2026-10-22 (score 79, +1)

No change was recorded against any check on this day. Stability & Change Management went from 70 to 73. That category is still filling its 30-day observation window: 21 days of observed history at the previous scan, 22 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-20 (score 78, +1)

No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-18 (score 77, +1)

No change was recorded against any check on this day. Stability & Change Management went from 57 to 60. That category is still filling its 30-day observation window: 17 days of observed history at the previous scan, 18 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-16 (score 76, +1)

No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-14 (score 75, +1)

No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-10-13 (score 74, +6)

- [functional improvement] Stability: unverified → 0.43

### 2026-10-01 (score 68, +25)

- [security improvement] Malware scan: unverified → pass
- [security improvement] Known CVEs: unverified → pass
- [functional improvement] Dependency health: unverified → 0.88

## MCP tools (4)

### `weave_folder` (~114 tokens)

Weave a folder

Index a folder on this machine (source code and docs) for semantic search, or bring its index up to date: only files that changed since the last run are read again. Call it once per project. The first run downloads the 33M-parameter encoder (133 MB) and embeds every passage on the CPU; a run longer than 25 s continues in the background and weave_list reports its progress.

Input parameters:

- `path` (string, required): Absolute path of the folder, or a path relative to the server's working directory

### `weave_search` (~101 tokens)

Search the weave

Search the woven folders in plain language: where something is defined, handled, configured or explained. Returns the nearest passages with their file, line range and centred-cosine score. Use it before grep when you do not know the identifier or file name.

Input parameters:

- `folder` (string): Search only this woven folder
- `k` (integer): How many passages (default 8)
- `query` (string, required): What to find, in plain words or code

### `weave_list` (~23 tokens)

List woven folders

List the folders this server has indexed, with their file and passage counts.

### `weave_forget` (~37 tokens)

Forget a woven folder

Delete a folder's index from this machine. The folder's own files are not touched.

Input parameters:

- `path` (string, required): The woven folder

## Diagnostics

Captured diagnostic sections: Provenance, Vulnerabilities, Dependencies. The full working is on the page: https://verifymcp.io/servers/space-bacon-blackwindow-weave-mcp/blackwindow-weave-mcp#diagnostics

## Score history

- 2026-10-24: 74
- 2026-10-23: 79
- 2026-10-22: 79
- 2026-10-21: 78
- 2026-10-20: 78
- 2026-10-19: 77
- 2026-10-18: 77
- 2026-10-17: 76
- 2026-10-16: 76
- 2026-10-15: 75
- 2026-10-14: 75
- 2026-10-13: 74
- 2026-10-12: 68
- 2026-10-08: 68
- 2026-10-04: 68
- 2026-10-03: 68
- 2026-10-02: 68
- 2026-10-01: 68
- 2026-09-30: 43

## Common questions

### What is the Sunstone Weave: Local Semantic Code Search MCP server?

Sunstone Weave: Local Semantic Code Search is an MCP server listed in the public MCP registry as io.github.space-bacon/blackwindow-weave-mcp. Semantic search over local folders of code and docs, with a code-search encoder running on your CPU. This page covers its npm package (blackwindow-weave-mcp).

### Is the Sunstone Weave: Local Semantic Code Search MCP server safe to use?

Sunstone Weave: Local Semantic Code Search scores 74 out of 100 on VerifyMCP. We recorded 1 known advisory against it as of 24 October 2026. It declares no install or post-install scripts. 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 Sunstone Weave: Local Semantic Code Search MCP server expose?

Sunstone Weave: Local Semantic Code Search exposes 4 tools: weave_folder, weave_search, weave_list, weave_forget. Their descriptions and schemas cost roughly 275 tokens of context every time the server is loaded.

### Is the Sunstone Weave: Local Semantic Code Search MCP server still maintained?

Sunstone Weave: Local Semantic Code Search is still listed as active in the MCP registry. We last reached this channel on 24 October 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 Sunstone Weave: Local Semantic Code Search MCP server under?

Sunstone Weave: Local Semantic Code Search declares the BUSL-1.1 licence, which is not on the OSI-approved list. Read the terms before using it at work, and note this covers the source only, not the cost of any service it calls.

## Links

- npm package: https://www.npmjs.com/package/blackwindow-weave-mcp
- Socket report: https://socket.dev/npm/package/blackwindow-weave-mcp
- Repository: https://github.com/space-bacon/blackwindow-weave-mcp
- Changelog RSS feed: https://verifymcp.io/servers/space-bacon-blackwindow-weave-mcp/blackwindow-weave-mcp.xml
- Changelog JSON feed: https://verifymcp.io/servers/space-bacon-blackwindow-weave-mcp/blackwindow-weave-mcp.json
- HTML version of this page: https://verifymcp.io/servers/space-bacon-blackwindow-weave-mcp/blackwindow-weave-mcp