MCP.Market

Clify MCP server

online · 100% uptime
by clify-dev.netlify.app·app.netlify.clify-dev/clify·v0.3.0
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Verified websites as JSON commands for AI agents over plain curl or MCP.

B77/100grade B
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Safety scan
B77/100

full report

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

Clify tools (7, 1 write)

write = sends, deletes, buys or posts
  • clify_helpFree

    A site's commands with params ("name*" = required, ":a|b" = allowed values, "=x" = default). Pass command for full param docs, default fields and a ready clify_run call.

  • clify_runwrite actionFree

    Call one command of a clify site and get JSON back. args holds the command's params (see clify_help). Lists return count, total and nextPage (args for the next page). Write commands return a dry-run preview unless confirm:true.

  • clify_sitesFree

    Search the catalogue of 135 real websites clify can call (package registries, government data, science, news, jobs, weather, culture…). Pass a keyword query to get the best sites with their matching commands. Without a query it pages through the catalogue, one line per site ("name (category, commands): about"); filter with category. Start here.

  • crates__get-crateFree

    crates.io: Get a crate's details: description, links, download totals, keywords, categories and default version Returns name, description, default_version, downloads, recent_downloads, num_versions, keywords, categories, repository, documentation, homepage, updated_at by default. (Same as clify_run site=crates command=get-crate.)

  • hnsearch__searchFree

    hn.algolia.com: Search stories/comments by relevance Returns title, points, num_comments, author, created_at, url, objectID by default. (Same as clify_run site=hnsearch command=search.)

  • pypi__get-packageFree

    pypi.org: Get a package's PyPI page for its latest version: name and version, summary, pip install command, project links and metadata sidebar, and README text. Returns name_version, summary, pip_command, sidebar, description by default. (Same as clify_run site=pypi command=get-package.)

  • wikipedia__summaryFree

    en.wikipedia.org: Short summary of an article (title, description, extract, url) Returns title, description, extract, content_urls.desktop.page by default. (Same as clify_run site=wikipedia command=summary.)

Public scan report

scanner v0.1.10 · 2026-10-27 · same rubric, same numbers if you re-run it

1 high
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1091ms20/20
  • Tool poisoning7 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
  • Maintenancelast push 5 days ago15/15
  • Maintainer identitynamespace and repository owner differ; GitHub account older than a year5/10

Findings (1)

  • highWrite-action tools reachable without authenticationauth.open-write
Overall 77/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Clify compares

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

Safety score
77/100
higher than 50% of 48,255 servers
Tools
7
the typical server has 7
Tools that change things
14%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
606 ms
faster than 24% of 30,031 servers

What its tools let an agent do: 6 read · 1 change

Install Clify in Claude Code, Cursor or VS Code

claude mcp add --transport http clify https://bold-cloud-h4u6s.run.mcp-use.com/mcp
Add to Cursor

What the publisher says

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

clify: the web, rebuilt for agents

clify turns most websites into a JSON CLI and an MCP server: so far 156 public sites ship with verified commands (open data and government, developer registries, science, maps and weather, culture, news, sports, jobs). An agent explores the site once in a headless browser, records the requests behind what it clicks, writes a typed command for each, and tests every command live before keeping it. After that, agents call the site's own endpoints instead of clicking through pages: same answers, a fraction of the time, tokens and RAM. When a site needs an account, clify signs in with its own identity (email and phone) or with yours. When it hits a CAPTCHA, it stops and asks a human.

Replay of one live run (2026-10-18T09-57-57-642Z), sped up: the GIF starts at 0:17 on the race clock, once the browser has loaded its first page, and plays the 4× video at 4× again (16×). The same model (Claude Opus 5.5) does the same six jobs on five signed-in SaaS dashboards and a forum, once through a browser and once through clify with specs generated by clify add (5 of 6 CLIs generated; svix's robots.txt forbids exploring, so its spec is hand-written). This run: 4.0× faster, 7.3× cheaper. Over all 6 runs: 3.3× faster by mean time (288 s vs 87 s), paired per-run mean 3.5×; 7.3× cheaper by mean cost, paired 7.4×. Details below and in race/.

In numbers: 156 sites ship with 1,802 live-verified read commands in the CLI and hosted MCP, including a new U.S./San Francisco set for events, startup hiring, transit, listings, local news, public data and prediction markets.

Built for YC's Make Something Agents Want hackathon (Oct 17–18, 2026).

Use it with curl, nothing to install

The public agent API is at https://clify-dev.netlify.app. It needs no install, key, or account:

curl "https://clify-dev.netlify.app/search?q=SF+tech+events"
curl "https://clify-dev.netlify.app/luma/discover-events?city=San%20Francisco"
curl "https://clify-dev.netlify.app/bart/get-departures?station=16TH"

Use /sites.json for the catalogue, /llms.txt for the full agent guide, and /.json for commands and verified example URLs. Task-specific entry points start with San Francisco and U.S. agent tasks, Luma events, YC startup jobs, BART departures, Craigslist SF listings, and DataSF. Finnish sites remain in the catalogue; their task pages are still available. Machine-readable discovery manifests are at /agent.json and /.well-known/webmcp.json.

Live demo: 6 browser agents vs 6 clify agents

Twelve Claude Code agents (Claude Opus 5.5) start at the same moment: on each of the six sites above, one works in a browser and one with clify, same prompt, same accounts. Every account was created by the agent itself with its own email. Each tile turns green when an independent check finds the object on the live site. Recorded live run of Oct 18, 08:58 PT: clify all 6 verified at 0:27.6 for $0.64; browser agents all 6 verified at 1:43.8 for $2.06. Run it yourself: race/bin/grid (on the machine with the sessions) or race/bin/mac-demo (from a laptop, over ssh); details in race/.

Try it in 10 seconds (hosted MCP, nothing to install)

Shortened. The full README is on GitHub.

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

Clify: common questions

Is Clify MCP server safe?
Mostly: it is graded B (77/100). Read the Clify safety report
How do I install Clify?
It runs remotely at bold-cloud-h4u6s.run.mcp-use.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Clify need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Clify maintained?
The last commit was 13 days ago (2026-10-21). The latest release is v0.3.0.
Is Clify up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does Clify compare with other MCP servers?
safety score 77/100 (higher than 50% of 48,255 servers); tools 7 (the typical server has 7); tools that change things 14% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.