# Send hxxra to your agent
Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.
## Fast path
- Download the package from Yavira.
- Extract it into a folder your agent can access.
- Paste one of the prompts below and point your agent at the extracted folder.
## Suggested prompts
### New install

```text
I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete.
```
### Upgrade existing

```text
I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run.
```
## Machine-readable fields
```json
{
  "schemaVersion": "1.0",
  "item": {
    "slug": "hxxra",
    "name": "hxxra",
    "source": "tencent",
    "type": "skill",
    "category": "开发工具",
    "sourceUrl": "https://clawhub.ai/cxlhyx/hxxra",
    "canonicalUrl": "https://clawhub.ai/cxlhyx/hxxra",
    "targetPlatform": "OpenClaw"
  },
  "install": {
    "downloadUrl": "/downloads/hxxra",
    "sourceDownloadUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=hxxra",
    "sourcePlatform": "tencent",
    "targetPlatform": "OpenClaw",
    "packageFormat": "ZIP package",
    "primaryDoc": "SKILL.md",
    "includedAssets": [
      "SKILL.md",
      "config.json",
      "scripts/hxxra.py"
    ],
    "downloadMode": "redirect",
    "sourceHealth": {
      "source": "tencent",
      "status": "healthy",
      "reason": "direct_download_ok",
      "recommendedAction": "download",
      "checkedAt": "2026-05-07T17:22:31.273Z",
      "expiresAt": "2026-05-14T17:22:31.273Z",
      "httpStatus": 200,
      "finalUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=afrexai-annual-report",
      "contentType": "application/zip",
      "probeMethod": "head",
      "details": {
        "probeUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=afrexai-annual-report",
        "contentDisposition": "attachment; filename=\"afrexai-annual-report-1.0.0.zip\"",
        "redirectLocation": null,
        "bodySnippet": null
      },
      "scope": "source",
      "summary": "Source download looks usable.",
      "detail": "Yavira can redirect you to the upstream package for this source.",
      "primaryActionLabel": "Download for OpenClaw",
      "primaryActionHref": "/downloads/hxxra"
    },
    "validation": {
      "installChecklist": [
        "Use the Yavira download entry.",
        "Review SKILL.md after the package is downloaded.",
        "Confirm the extracted package contains the expected setup assets."
      ],
      "postInstallChecks": [
        "Confirm the extracted package includes the expected docs or setup files.",
        "Validate the skill or prompts are available in your target agent workspace.",
        "Capture any manual follow-up steps the agent could not complete."
      ]
    }
  },
  "links": {
    "detailUrl": "https://openagent3.xyz/skills/hxxra",
    "downloadUrl": "https://openagent3.xyz/downloads/hxxra",
    "agentUrl": "https://openagent3.xyz/skills/hxxra/agent",
    "manifestUrl": "https://openagent3.xyz/skills/hxxra/agent.json",
    "briefUrl": "https://openagent3.xyz/skills/hxxra/agent.md"
  }
}
```
## Documentation

### hxxra

This skill is a Research Assistant that helps users search, download, analyze, report, and save research papers.

### Recommended Directory Structure

For better organization, it is recommended to create a dedicated workspace for hxxra under your OpenClaw working directory:

📁 workspace/                              # OpenClaw current working directory
└── 📁 hxxra/
    ├── 📁 searches/                       # Stores all search result JSON files
        ├── 2025-03-07_neural_radiance_fields_arxiv.json
        ├── 2025-03-07_transformer_architectures_scholar.json
        └── ...
    ├── 📁 papers/                           # Stores downloaded PDF files and per-paper analysis results (each as a subfolder)
        ├── papers_report.md                # Generated Markdown report summarizing all analyzed papers
        ├── 2023_Smith_NeRF_Explained/      # Folder named after the PDF (without extension)
          ├── 2023_Smith_NeRF_Explained.pdf
          ├── analysis.json                 # Structured output from LLM analysis
          └── notes.md                      # (Optional) User-added notes
        ├── 2024_Zhang_Transformer_Survey/
          ├── 2024_Zhang_Transformer_Survey.pdf
          ├── analysis.json
          └── ...
        └── ...
    └── 📁 logs/ # Stores execution logs
        └── hxxra_2025-03-07.log

This structure keeps all related files organized and easily accessible for review and further processing.

### 1. hxxra search - Search for research papers

Dependencies: pip install scholarly

Purpose: Search for papers using Google Scholar and arXiv APIs

Academic Note: To account for the distinct characteristics of each data source, the tool adopts a differentiated sorting strategy—arXiv results are ordered by submission date in descending order, prioritizing the timeliness of recent research; Google Scholar results retain the source's default relevance ranking, ensuring strong alignment with the query keywords while appropriately weighing influential or classical literature.

Parameters:

-q, --query <string> (Required): Search keywords
-s, --source <string> (Optional): Data source: arxiv (default), scholar
-l, --limit <number> (Optional): Number of results (default: 10)
-o, --output <path> (Optional): JSON output file (default: {workspace}/hxxra/searches/search_results.json)

Input Examples:

{"command": "search", "query": "neural radiance fields", "source": "arxiv", "limit": 10, "output": "results.json"} | python scripts/hxxra.py
{"command": "search", "query": "transformer architecture", "source": "scholar", "limit": 15} | python scripts/hxxra.py

Output Structure:

{
  "ok": true,
  "command": "search",
  "query": "<query>",
  "source": "<source>",
  "results": [
    {
      "id": "1",
      "title": "Paper Title",
      "authors": ["Author1", "Author2"],
      "year": "2023",
      "source": "arxiv",
      "abstract": "Abstract text...",
      "url": "https://arxiv.org/abs/xxxx.xxxxx",
      "pdf_url": "https://arxiv.org/pdf/xxxx.xxxxx.pdf",
      "citations": 123
    }
  ],
  "total": 10,
  "output_file": "/path/to/results.json"
}

### 2. hxxra download - Download PDF files

Purpose: Download PDFs for specified papers

Parameters:

-f, --from-file <path> (Required): JSON file with search results
-i, --ids <list> (Optional): Paper IDs (comma-separated or range)
-d, --dir <path> (Optional): Download directory (default: {workspace}/hxxra/papers/)

Input Examples:

{"command": "download", "from-file": "results.json", "ids": ["1", "3", "5"], "dir": "./downloads"} | python scripts/hxxra.py
{"command": "download", "from-file": "results.json", "dir": "./downloads"} | python scripts/hxxra.py

Output Structure:

{
  "ok": true,
  "command": "download",
  "downloaded": [
    {
      "id": "1",
      "title": "Paper Title",
      "status": "success",
      "pdf_path": "{workspace}/hxxra/papers/2023_Smith_NeRF_Explained/2023_Smith_NeRF_Explained.pdf",
      "size_bytes": 1234567,
      "url": "https://arxiv.org/pdf/xxxx.xxxxx.pdf"
    }
  ],
  "failed": [],
  "total": 3,
  "successful": 3,
  "download_dir": "{workspace}/hxxra/papers"
}

### 3. hxxra analyze - Analyze PDF content

Dependencies: pip install pymupdf pdfplumber openai

Purpose: Analyze paper content using LLM

Parameters:

-p, --pdf <path> (Optional*): Single PDF file to analyze
-d, --directory <path> (Optional*): Directory with multiple PDFs
-o, --output <path> (Optional): Output directory. If not specified, analysis results will be saved in the same subfolder as the PDF (default: {workspace}/hxxra/papers/{paper_title}/analysis.json)

** Note: Either --pdf or --directory must be provided, but not both*

Input Examples:

{"command": "analyze", "pdf": "paper.pdf", "output": "./analysis/"} | python scripts/hxxra.py
{"command": "analyze", "directory": "hxxra/papers/"} | python scripts/hxxra.py

Output Structure:

{
  "ok": true,
  "command": "analyze",
  "analyzed": [
    {
      "id": "paper_1",
      "original_file": "paper.pdf",
      "analysis_file": "{workspace}/hxxra/papers/2023_Smith_NeRF_Explained/analysis.json",
      "metadata": {
        "title": "Paper Title",
        "authors": ["Author1", "Author2"],
        "year": "2023",
        "abstract": "Abstract text..."
      },
      "analysis": {
        "background": "Problem background...",
        "methodology": "Proposed method...",
        "results": "Experimental results...",
        "conclusions": "Conclusions..."
      },
      "status": "success"
    }
  ],
  "summary": {
    "total": 1,
    "successful": 1,
    "failed": 0
  }
}

### 4. hxxra report - Generate Markdown report

Purpose: Generate a comprehensive Markdown report from all analysis.json files in a directory

Parameters:

-d, --directory <path> (Required): Directory containing paper folders with analysis.json files
-o, --output <path> (Optional): Output Markdown file path (default: {directory}/report.md)
-t, --title <string> (Optional): Report title (default: "Research Papers Report")
-s, --sort <string> (Optional): Sort by: year (default, descending), title, or author

Input Examples:

{"command": "report", "directory": "hxxra/papers/", "output": "hxxra/papers/report.md", "title": "My Research Papers", "sort": "year"} | python scripts/hxxra.py
{"command": "report", "directory": "hxxra/papers/"} | python scripts/hxxra.py

Output Structure:

{
  "ok": true,
  "command": "report",
  "total_papers": 10,
  "output_file": "/path/to/hxxra/papers/report.md"
}

Generated Markdown Format:

The generated report includes:

Header: Title, generation date, total papers, data source
Keywords Table: Top 15 most frequent keywords across all papers
Overview Table: Quick summary of all papers (title, author, year, keywords)
Detailed Content: For each paper:

Title, authors, year, keywords, code link (if available)
Abstract
Research background
Methodology
Main results
Conclusions
Limitations
Impact
Source folder path

Note: The report command recursively scans all subdirectories for analysis.json files and only includes papers with status: "success".

### 5. hxxra save - Save to Zotero

Purpose: Save papers to Zotero collection

Parameters:

-f, --from-file <path> (Required): JSON file with search results (e.g., hxxra/searches/search_results.json)
-i, --ids <list> (Optional): Paper IDs to save
-c, --collection <string> (Required): Zotero collection name

Input Examples:

{"command": "save", "from-file": "hxxra/searches/search_results.json", "ids": ["1", "2", "3"], "collection": "AI Research"} | python scripts/hxxra.py
{"command": "save", "from-file": "hxxra/searches/search_results.json", "collection": "My Collection"} | python scripts/hxxra.py

Output Structure:

{
  "ok": true,
  "command": "save",
  "collection": "AI Research",
  "saved_items": [
    {
      "id": "1",
      "title": "Paper Title",
      "zotero_key": "ABCD1234",
      "url": "https://www.zotero.org/items/ABCD1234",
      "status": "success"
    }
  ],
  "failed_items": [],
  "total": 3,
  "successful": 3,
  "zotero_collection": "ABCD5678"
}

### Complete Workflow

# 1. Search for papers
{"command": "search", "query": "graph neural networks", "source": "arxiv", "limit": 10, "output": "hxxra/searches/gnn_arxiv.json"} | python scripts/hxxra.py

# 2. Download papers
{"command": "download", "from-file": "hxxra/searches/gnn_arxiv.json", "dir": "hxxra/papers"} | python scripts/hxxra.py

# 3. Analyze downloaded papers
{"command": "analyze", "directory": "hxxra/papers/"} | python scripts/hxxra.py

# 4. Generate comprehensive report
{"command": "report", "directory": "hxxra/papers/", "output": "hxxra/papers/report.md", "sort": "year"} | python scripts/hxxra.py

# 5. Save to Zotero
{"command": "save", "from-file": "hxxra/searches/gnn_arxiv.json", "collection": "GNN Papers"} | python scripts/hxxra.py

### Single Command Examples

# Search with scholar
{"command": "search", "query": "reinforcement learning", "source": "scholar", "limit": 15} | python scripts/hxxra.py

# Download specific papers
{"command": "download", "from-file": "hxxra/searches/search_results.json", "ids": ["2", "4", "6"], "dir": "hxxra/papers"} | python scripts/hxxra.py

# Analyze single PDF in detail
{"command": "analyze", "pdf": "hxxra/papers/2024_Zhang_Transformer_Survey/2024_Zhang_Transformer_Survey.pdf"} | python scripts/hxxra.py

# Generate report sorted by title
{"command": "report", "directory": "hxxra/papers/", "sort": "title", "output": "hxxra/papers/report_by_title.md"} | python scripts/hxxra.py

# Save with custom notes
{"command": "save", "from-file": "hxxra/searches/search_results.json", "ids": ["1"], "collection": "To Read"} | python scripts/hxxra.py

### API Credentials(config.json)

arXiv API: No key required for basic access


Google Scholar: May require authentication for large queries


Zotero API: Required credentials:
{
  "api_key": "YOUR_ZOTERO_API_KEY", # Create at https://www.zotero.org/settings/keys/new
  "user_id": "YOUR_ZOTERO_USER_ID", # Found on the same page (numeric, not username)
  "library_type": "user"  # or "group"
}



LLM API: OpenAI or compatible API key for analysis

### Notes

All commands are executed via stdin/stdout JSON communication
Error handling returns {"ok": false, "error": "Error message"}
Large operations support progress reporting via intermediate messages
Configuration is loaded from config.json or environment variables
Concurrent operations have configurable limits to avoid rate limiting

### Error Handling

Each command returns standard error format:

{
  "ok": false,
  "command": "<command>",
  "error": "Error description",
  "error_code": "ERROR_TYPE",
  "suggestion": "How to fix it"
}

### Version History

v1.2.0 · 2026/3/8

Added report command to generate comprehensive Markdown reports from all analysis.json files
Report includes keyword statistics, overview table, and detailed content for each paper
Supports sorting by year (default), title, or author
Generates clean, readable Markdown format with tables, headers, and structured content
Updated documentation to include the new report command in workflows and examples

v1.1.1 · 2026/3/7

Added sanitize_filename() function to unify filename and folder name handling for downloaded papers.
Modified handle_download function to use the new sanitization function for author names and titles.
Improved filename safety: now only allows letters, numbers, and underscores; multiple consecutive underscores are merged; length limited to 50 characters.

v1.1.0 · 2026/3/7

Added a recommended directory structure for optimal organization of search results, papers, analysis, and logs.
Updated all examples and default output locations to align with the new {workspace}/hxxra/ folder layout.
Clarified file storage practices: each downloaded paper now has its own subfolder containing the PDF and analysis files.
Improved documentation for command parameters and outputs to reflect the directory structure changes.
Enhanced clarity of workflow steps, making it easier to manage, locate, and share research outputs.
Fixed ids data handling: improved ID matching logic to support both string and numeric ID comparisons in download and save commands.
Fixed analyze output parameter: output directory is now only created when explicitly specified, otherwise analysis results are saved in the same subfolder as the PDF.
Fixed Zotero API "400 Bad Request" error: changed data format from object to array ([item_data]) to comply with Zotero API requirements

v1.0.2 · 2026/3/6

Modified hxxra.py script to add fix_proxy_env() function call, resolving the issue where ALL_PROXY and all_proxy are reset to socks://127.0.0.1:7897/ in new OpenClaw sessions, causing search failures

v1.0.1 · 2026/3/6

Added academic note clarifying that arXiv search results are sorted by most recent submission date, while Google Scholar results use the source's default relevance ranking
No changes to command structure, parameters, or output formats

v1.0.0 · 2026/2/9

Initial release of hxxra – a research assistant tool for searching, downloading, analyzing, and saving research papers.

Introduces four core JSON-based commands: search, download, analyze, save
Supports searching papers via Google Scholar and arXiv, with flexible parameters and output structure
Enables PDF downloads using search results, with fine-grained ID selection and status reporting
Integrates LLM-driven PDF content analysis, providing structured output for one or many papers
Allows saving papers to Zotero collections, requiring user API credentials
Features robust parameter validation, error handling, and documentation with usage examples
## Trust
- Source: tencent
- Verification: Indexed source record
- Publisher: cxlhyx
- Version: 1.2.0
## Source health
- Status: healthy
- Source download looks usable.
- Yavira can redirect you to the upstream package for this source.
- Health scope: source
- Reason: direct_download_ok
- Checked at: 2026-05-07T17:22:31.273Z
- Expires at: 2026-05-14T17:22:31.273Z
- Recommended action: Download for OpenClaw
## Links
- [Detail page](https://openagent3.xyz/skills/hxxra)
- [Send to Agent page](https://openagent3.xyz/skills/hxxra/agent)
- [JSON manifest](https://openagent3.xyz/skills/hxxra/agent.json)
- [Markdown brief](https://openagent3.xyz/skills/hxxra/agent.md)
- [Download page](https://openagent3.xyz/downloads/hxxra)