MCP.Market

ReefAPI MCP server

online · 100% uptime
by reefapi·io.github.reefapi/reefapi-mcp·v1.27.2·4 stars
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One MCP server for 180+ live web-data APIs returning clean JSON from sites that block scrapers.

C64/100grade C
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Safety scan
C64/100

full report

Adoption
Growing

4 stars

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

ReefAPI tools (5)

write = sends, deletes, buys or posts
  • call_engineFree

    Call a ReefAPI engine action — POST /<engine>/v1/<action> with `params`. Returns the uniform { ok, data, meta, error } envelope. Get param names from get_engine_schema first. Needs YOUR ReefAPI key. The local server reads REEFAPI_KEY; the hosted server accepts an OAuth access token (connect with OAuth and paste your key once on the consent screen — this is what ChatGPT uses), an `Authorization: Bearer <key>` header, `x-reefapi-key`, or the key in the connection URL (`https://api.reefapi.com/mcp?key=<key>`). Get a key at https://reefapi.com. Failed calls cost no credits.

  • get_action_schemaFree

    FULL detail for ONE engine action: every parameter (type, required, description, allowed_values dropdown, default, example, min/max), what it returns, pricing, and a ready-to-run example_params. Call this right before call_engine so you send valid params — invalid enum values are rejected with the allowed list.

  • get_catalogFree

    The FULL ReefAPI catalog — EVERY engine with its one-line title, grouped by category. This is the whole menu (≈ a few thousand tokens); SCAN IT AND PICK THE BEST ENGINE YOURSELF. You are an LLM, so you match the user's intent semantically — across ANY language, typo, or phrasing — far better than a keyword search can. Use this whenever search_engines didn't surface the right engine (or to be sure you didn't miss a better one). After you pick: get_engine_schema(engine) -> get_action_schema -> call_engine.

  • get_engine_schemaFree

    COMPACT overview of ONE engine: every action with its description, required params and what it returns — but NOT the full param detail (kept lean so a 90-action engine stays token-cheap). Call this after search_engines to pick the right ACTION, then get_action_schema(engine, action) for that action's full params before call_engine.

  • search_enginesFree

    Find the right ReefAPI engine for a task — pass ENGLISH keywords or a short natural-language use-case ("detect a website's tech stack", "company reviews", "check a package for vulnerabilities", "is this domain available"). The catalog is in English: if the end-user asked in another language, translate their INTENT into English keywords first (you are an LLM — do this inline). Ranks engines by how well the query matches each engine's name/title/category/ACTION descriptions (stem-matched, so plurals/word-forms still hit). Empty query = list all. Returns name/title/category/actions + match score. Call this FIRST, then get_engine_schema(engine) to pick an action. This is a fast keyword pre-filter — if the right engine isn't in the results (or you want to be sure), call get_catalog and pick from the full list YOURSELF (you semantically match any language/phrasing better than keywords).

Public scan report

scanner v0.1.10 · 2026-10-30 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1285ms20/20
  • Tool poisoning5 tool descriptions checked15/15
  • Auth qualityAPI key sent as a header8/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10
Overall 64/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How ReefAPI compares

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

Safety score
64/100
higher than 19% of 48,243 servers
Tools
5
the typical server has 7
Tools that change things
0%
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
143 ms
faster than 76% of 30,027 servers
GitHub stars
4
more than 82% of 28,706 servers

What its tools let an agent do: 5 read

Install ReefAPI in Claude Code, Cursor or VS Code

claude mcp add --transport http reefapi-mcp https://api.reefapi.com/mcp
Add to Cursor

What the publisher says

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

ReefAPI MCP

One MCP server for 250+ live web-data APIs — e-commerce and marketplaces, social media, real estate, jobs, travel, news, finance, and company/domain intelligence. The assistant discovers the right engine, then pulls clean JSON from public pages that are hard to scrape (JavaScript rendering, anti-bot).

  • 🌐 Homepage: https://reefapi.com
  • 📚 Docs: https://reefapi.com/docs
  • 🔌 MCP guide: https://reefapi.com/mcp
  • 🟢 Status: https://reefapi.com/status

Why one server, not one tool per API

Emitting one tool per API blows past the ~30–50-tool ceiling where agents stop picking the right tool. ReefAPI uses dynamic discovery instead: five generic tools let the assistant find the right engine, then call it. Discovery is keyless; only callengine needs a key. Failed or blocked calls cost nothing.**

Tools

The intended path is searchengines (or getcatalog) → getengineschema → getactionschema → call_engine.

Connect (remote — recommended)

Add to Claude Desktop, Cursor, Windsurf, or any client that takes a remote MCP URL:

{
  "mcpServers": {
    "reefapi": {
      "url": "https://api.reefapi.com/mcp",
      "headers": { "Authorization": "Bearer YOUR_REEFAPI_KEY" }
    }
  }
}

Claude Code (CLI):

claude mcp add --transport http reefapi https://api.reefapi.com/mcp \
  --header "Authorization: Bearer YOUR_REEFAPI_KEY"

Get a free key (1,000 credits, no card) at https://reefapi.com.

Run it locally (stdio)

pip install -r requirements.txt
export REEFAPI_KEY=ak_live_your_key   # Windows: set REEFAPI_KEY=...
python server.py                      # stdio transport

Then point your client at python /path/to/server.py. The same file also serves the streamable-HTTP transport with MCP_TRANSPORT=streamable-http (used by the hosted endpoint above).

What you can ask

Each example below is answered by one engine; the link goes to that engine's parameters and response shape.

  • "What are people saying about the new iPhone on Reddit?" → reddit
  • "Get current Zillow listings in Austin under $500k." → zillow
  • "Is the domain coolstartup.ai available?" → domain-availability
  • "Compare Amazon prices for AirPods Pro." → amazon
  • "Top Hacker News stories right now." → hackernews
  • "What tech stack does stripe.com run on?" → domain-intel
  • "Find remote backend jobs posted this week." → global-jobs

Shortened. The full README is on GitHub.

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

Grade history

  • 2026-10-30downgradeB → Cscore 64

ReefAPI: common questions

Is ReefAPI MCP server safe?
With care: it is graded C, so read the findings first (64/100). Read the ReefAPI safety report
How do I install ReefAPI?
It runs remotely at api.reefapi.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 ReefAPI need an API key?
Yes. The registry entry asks for Authorization.
Is ReefAPI maintained?
The last commit was 47 days ago (2026-09-19). The latest release is v1.27.2.
Is ReefAPI up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of ReefAPI?
Servers from other publishers that do the same job: e2e MCP server, Front-End Checklist MCP server and Oxylabs MCP server.
How does ReefAPI compare with other MCP servers?
safety score 64/100 (higher than 19% of 48,243 servers); tools 5 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to ReefAPI

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

  • e2e
    Open live web and mobile app sessions from an e2e project to inspect the app and try locators.
    A
  • Front-End Checklist
    Review frontend code and live pages against 386 quality-gated web development rules.
    A
  • Oxylabs
    Fetch and process content from specified URLs & sources using the Oxylabs Web Scraper API.
    A