# bluefield

> bluefield — danielvhofmann-bluefield. Use this tool when you need to capture and verify web data with provenance, turning any URL into clean Markdown or JSON with an offline verifiable Ed25519 manifest. It solves problems of data integrity and transparency, providing a Git-like history and diff for web data. Ideal for use cases requiring trustworthy and auditable web scraping, with inputs of URLs and outputs of Markdown, JSON, and BPM manifests.

Canonical page: https://skillsregistry.net/skills/danielvhofmann-bluefield  
JSON: https://api.skillsregistry.net/v1/skills/danielvhofmann-bluefield

## Description

Local first web scraper that turns any URL into clean Markdown or JSON and signs every capture with an offline verifiable Ed25519 provenance manifest called BPM. Git like history and diff for web data, plus an MCP server so AI agents can prove what they read. TypeScript monorepo, AGPL-3.0 engine, Apache-2.0 spec and SDKs.

## Trust

- **Trust score (0–1):** 0.82
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** AGPL-3.0
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/danielvhofmann/bluefield)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "danielvhofmann-bluefield"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/danielvhofmann-bluefield` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/danielvhofmann-bluefield/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt