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Cross-validate research with SandBase Multi-Source Search

Category: Science & Research  ·  Sub-category: research-methods  ·  Last updated:
Use SandBase Multi-Source Search to fact-check claims across independent web and academic sources, record disagreements, score confidence, and validate a structured evidence ledger offline.
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From the source SKILL.md

Use the open-source SandBase multi-source-search Agent Skill when a decision or fact-check needs more than one independent perspective. The workflow starts with search and page-reading tools already available to the host agent, so a SandBase account is not required. If SandBase tools are connected, it can add Tavily for time-sensitive results, Exa for semantic discovery, Scholar for academic coverage, and Cloudsway for broader web coverage. It treats retrieved pages as untrusted evidence, traces derivative reporting back to common origins, keeps citations next to claims, and explicitly…

What this skill does

Cross-validate research with SandBase Multi-Source Search is a community-contributed Claude Code skill in the research-methods sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/cross-validate-research-with-sandbase-multi-source-search/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Cross-validate research with SandBase Multi-Source Search Claude Code skill is built for researchers, data scientists, academics, and analysts working with complex data and scientific literature. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 191,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/cross-validate-research-with-sandbase-multi-source-search
curl -L https://claudskills.com/skills/cross-validate-research-with-sandbase-multi-source-search/SKILL.md \
  -o ~/.claude/skills/cross-validate-research-with-sandbase-multi-source-search/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/cross-validate-research-with-sandbase-multi-source-search/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/cross-validate-research-with-sandbase-multi-source-search/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\cross-validate-research-with-sandbase-multi-source-search\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Cross-validate research with SandBase Multi-Source Search Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/cross-validate-research-with-sandbase-multi-source-search/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Cross-validate research with SandBase Multi-Source Search skill do?
Use SandBase Multi-Source Search to fact-check claims across independent web and academic sources, record disagreements, score confidence, and validate a structured evidence ledger offline.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Cross-validate research with SandBase Multi-Source Search skill?
Use Cross-validate research with SandBase Multi-Source Search when your Claude Code task falls under the Science & Research category — specifically in the research methods area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Cross-validate research with SandBase Multi-Source Search" or describe the task and let Claude pick). Browse related skills at /category/science/.
What is a Claude Code skill and how does the Cross-validate research with SandBase Multi-Source Search skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Cross-validate research with SandBase Multi-Source Search is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Science & Research category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
SandBase. (2026). Cross-validate research with SandBase Multi-Source Search [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/cross-validate-research-with-sandbase-multi-source-search/
BibTeX
@misc{cross-validate-research-with-sandbase-multi-source-search-2026,
  author    = {SandBase},
  title     = {Cross-validate research with SandBase Multi-Source Search [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/cross-validate-research-with-sandbase-multi-source-search/}
}

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Grade A · scanned 2026-08-26 — free static scan against the OWASP Agentic Skills Top 10.

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More Science & Research skills

Browse all Science & Research skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Science & Research skills → Top 100 skills
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