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Guardian MCP server

by cyanheads·io.github.cyanheads/guardian-mcp-server·v0.2.0·2 stars
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Guardian Open Platform: search and retrieve full article text from The Guardian archive.

A92/100grade A
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Safety scan
A92/100

full report

Adoption
Growing

2 stars294 downloads/wk

Reviews

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If you have run it, two minutes of your experience saves the next person an afternoon.

Guardian tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.10 · 2026-11-01 · same rubric, same numbers if you re-run it

no findings
  • Code scan16 source files scanned; 16 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 15 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 92/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Guardian compares

Against every graded Web search MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
92/100
higher than 90% of 3,470 Web search servers
GitHub stars
2
more than 70% of 1,786 Web search servers
Downloads a week
294
more than 76% of 827 Web search servers with a package

Release history: 4 versions in the registry since 2026-08-21, latest 2026-10-16, typically one every 16 days.

Install Guardian in Claude Code, Cursor or VS Code

Runs npx -y @cyanheads/guardian-mcp-server on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add guardian-mcp-server -- npx -y @cyanheads/guardian-mcp-server
Add to Cursor

What the publisher says

From the Guardian repository's README, as published. We do not edit it. Read it on GitHub

@cyanheads/guardian-mcp-server Search, browse, and retrieve full article text from The Guardian's journalism archive (1999–present) via MCP. STDIO or Streamable HTTP. 3 Tools

Overview

The Guardian's journalism archive (1999–present), via the Guardian Open Platform API. Search full text, browse by section or tag, and fetch complete untruncated articles from any MCP client. Runs as a stdio process or a local Streamable HTTP server.

Tools

Capability reference

guardian_search tool

  • Boolean query syntax (AND/OR/NOT, quoted phrases) plus optional section, tag, contributor, and fromdate/todate (YYYY-MM-DD) filters
  • Sort via orderby: relevance (default), newest, or oldest; paginated with page + pagesize (1–50, default 10)
  • Body text is HTML-stripped and truncated at 2,000 words with a truncated flag — fetch the complete text via guardiangetarticle
  • Typed error reasons: unauthorized, noresults, invaliddate, api_error (retryable)
  • Zero-result responses carry an enrichment notice echoing the query

guardiangetarticle tool

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Guardian: common questions

Is Guardian MCP server safe?
Yes, by our scan: it is graded A (92/100). Read the Guardian safety report
How do I install Guardian?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Guardian need an API key?
No secret keys are declared. It reads 9 settings from the environment.
Is Guardian maintained?
The last commit was 17 days ago (2026-10-17). The latest release is v0.2.0.
What can I use instead of Guardian?
Servers from other publishers that do the same job: Arxiv MCP server, Misakanet MCP server and Open Library MCP server.
How does Guardian compare with other Web search MCP servers?
safety score 92/100 (higher than 90% of 3,470 Web search servers); github stars 2 (more than 70% of 1,786 Web search servers); downloads a week 294 (more than 76% of 827 Web search servers with a package). Full comparison.

Alternatives to Guardian

Same job from other publishers: the closest match first, then the best rated.

  • Arxiv
    Search arXiv papers, download full text, semantic search, citation graphs, and alerts via MCP.
    A
  • Misakanet
    Failure-memory layer for coding agents: search evidence-rated failure lessons by error text.
    A
  • Open Library
    Search books and authors on the Internet Archive's Open Library
    A
  • Zotero MCP
    Search your Zotero library, retrieve item metadata, and read full text from AI assistants.
    B
  • PubMed Search
    Multi-source biomedical literature search: PubMed, Europe PMC, OpenAlex, full text, citations
    B

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