Is One Search safe and trustworthy?

tashan scores One Search on public evidence — tashan score 53.0/100, it is currently active, note: a single primary maintainer (bus-factor risk), no known advisories against the current release, its declared dependencies reach: browser. Audit scope: OSV advisories, install-time scripts, build provenance and declared permission surface. We do not review source code or execute the capability.

How do I install One Search?

In Claude Code: run `claude mcp add one-search -- npx -y one-search-mcp`. In Cursor / Claude Desktop, add it to mcp.json / claude_desktop_config.json.

Who maintains One Search?

source: yokingma/one-search-mcp.

‹ The Index

One Search

npm

Web search, URL discovery, scraping & extraction with agent-browser and search providers

Works with: Claude Code, Cursor, Claude Desktop, Codex CLI, Gemini CLI, Cline, Windsurf, VS Code (installable)
installable: each client documents how to load an MCP server of this type — that is the client's promise, not a claim verified against this capability

Work: Web research · Web scraping

Who it is for: Researcher · Operations · Software engineer

Install (Claude Code):

claude mcp add one-search -- npx -y one-search-mcp

deep

“4 tools documented (one_search, one_map, one_scrape…); 9 worked examples; setup and auth covered; states a limit — “This is not a sitemap crawler; removed fields such as ignoreSitemap and…””

This grade is wrong ›

tashan score: 53.0
Instruction depth: 85.0 (deep — documents every tool, with worked examples, setup and a stated limitation)
Adoption: 189/wk
Upkeep: 65.0
Freshness: 85.0
Evidence coverage: 100% of the inputs this score can use
Health: active
License: MIT

Security audit

Every finding is shown in full — which advisory, the version that fixes it, and the exact command run at install time. Nothing in this audit is behind a licence.

No known advisoriesclearchecked against OSV for 1.2.4 — this package, not its dependency tree

Drives a browserfrom declared dependencies

Can carry remote content into your agentit can pull third-party text into the model's context — treat what it returns as untrusted input

No build provenanceno attestation — the published artifact cannot be traced to its source

What changed recently

2026-08-05 one-search-mcp now reaches browser Its declared dependencies reach further into your machine than they did before.
2026-08-27 the tashan score for one-search-mcp fell to 56.0, from 62.0 Upkeep, freshness or adoption moved enough to change how this measures.

You are reading this because you came looking. tashan Pro gives tashan doctor the history behind it, so a run over your own config says which of YOURS moved.

You searched for one. Check the rest of your stack:

npx tashan-cli doctor

Reads the config already on your machine and names what is dead, deprecated or running code at install time. No account, nothing uploaded.

tashan Pro$6/mo

We recorded 2 changes to One Search in the last 45 days. Pro tells you on the day — for the servers in your own config, not the ones you thought to look up.

The whole series behind any row, back to the first day we measured it
The replacement, named — not just the news that something died
tashan doctor over your own config, on your own machine

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Show your score

Measured this well? Put the live badge in your README — it updates as the score does.

[![tashan](https://tashan.sh/badge/pkg-one-search-mcp.svg)](https://tashan.sh/capability/pkg-one-search-mcp.html)

npm ↗ · source ↗ · pkg:one-search-mcp

Already running this? Check your whole config — free, in your browser, nothing installed. Or npx tashan-cli doctor locally, which sends nothing at all.

Measured 2026-09-13 · scorer s5 · how · something wrong here?