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Web3 Signals MCP Server

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Web3 Signals is listed as active in the registry but did not answer our last check. It exposes 10 tools. Last commit 17 Aug 2026.

AI crypto buy/sell signals for 20 assets: 6 data dimensions fused into 0-100 scores. x402 + MCP.

Uptime history 91 days of history · worst day 0%
91 days agonow
0.0%
Uptime 24h
0 of 184 checks
10
Tools
read from the server
180 ms
Response time
average over 24h
3
Stars
last commit 17 Aug 2026

What changed 5

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 17 August 2026. No other catalogue keeps this.

17 Aug 5 tool descriptions were rewritten get_all_signals, get_analytics, get_health and 2 more

What the code does

We read the source, 2 d ago · tools taken from the live server · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 1 min ago.

run in your terminal
claude mcp add web3-signals --transport sse https://web3-signals-api-production.up.railway.app/mcp/sse
Settings → Connectors → Add custom connector, then paste this address
https://web3-signals-api-production.up.railway.app/mcp/sse
~/.codex/config.toml
[mcp_servers.web3-signals]
url = "https://web3-signals-api-production.up.railway.app/mcp/sse"
.cursor/mcp.json
{
  "mcpServers": {
    "web3-signals": {
      "url": "https://web3-signals-api-production.up.railway.app/mcp/sse"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "web3-signals": {
      "type": "sse",
      "url": "https://web3-signals-api-production.up.railway.app/mcp/sse"
    }
  }
}

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Available tools 10

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

asset
get_asset_performance
How accurate are the signals for BTC specifically? Get per-asset accuracy metrics for any cryptocurrency. Returns 30-day rolling accuracy, total signals evaluated, and comparison to overall accuracy.
get_asset_signal
Is BTC bullish or bearish right now? Get a 0-100 buy/sell score for any cryptocurrency. Returns composite score, direction (bullish/bearish/neutral), signal label (STRONG BUY to STRONG SELL), and momentum. Supports: BTC, ETH, SOL, BNB, XRP, ADA, AVAX, DOT, MATIC, LINK, UNI, ATOM, LTC, FIL, NEAR, APT, ARB, OP, INJ, SUI. For the full 6-dimension breakdown with whale, technical, and derivatives analysis, use the paid REST API.
all
get_all_signals
Get buy/sell signals for all 20 major cryptocurrencies including Bitcoin, Ethereum, Solana, and more. Returns a free 5-point score band and direction (bullish/bearish/neutral) for top movers, plus portfolio summary with market regime and risk level. Updated every 15 minutes. For full dimension breakdown and AI insights, use the paid REST API.
analytics
get_analytics
Who is using Web3 Signals? See API usage statistics including total requests, unique clients, response times, breakdowns by endpoint and client type (AI agents, browsers, scripts). Useful for understanding adoption.
compare
compare_assets
Which crypto should I buy — BTC, ETH, or SOL? Compare 2-5 cryptocurrencies ranked by signal strength. Input: comma-separated tickers (e.g. 'BTC,ETH,SOL'). Returns ranked comparison with scores, direction, and verdict. Use for portfolio allocation decisions.
crypto
get_crypto_price
What is the current price of Bitcoin, Ethereum, or any major crypto? Returns the latest USD price, 24-hour price change percentage, trading volume, and market cap. Updated every 15 minutes from CoinGecko and Binance. Supports 20 assets: BTC, ETH, SOL, BNB, XRP, ADA, AVAX, DOT, MATIC, LINK, UNI, ATOM, LTC, FIL, NEAR, APT, ARB, OP, INJ, SUI. Example: get_crypto_price('BTC')
health
get_health
Is Web3 Signals working? Check the real-time status of all 5 AI data pipelines (whale tracking, technical analysis, derivatives, narrative sentiment, market data) and the signal fusion engine. Returns last run times, durations, and any errors.
market
get_market_briefing
What should I buy or sell in crypto right now? Returns the top 3 buy and top 3 sell recommendations from 20 cryptocurrencies, plus market regime (trending/ranging), risk level, and momentum. Best starting point for portfolio decisions. Scores range 0-100: 60+ is buy territory, below 42 is sell territory; scores in between are neutral/abstain (no trade recommended).
performance
get_performance
How accurate are these crypto signals? Returns 30-day rolling accuracy metrics showing how often buy/sell predictions were correct. Includes overall accuracy percentage, reputation score (0-100), and breakdowns by asset and timeframe (24h/48h).
x402
get_x402_stats
How much revenue has Web3 Signals generated? View x402 micropayment analytics including total paid calls, revenue in USDC, payment conversion rate, and daily payment timeline.

Endpoints

URLTransportStateLatencyChecked
https://web3-signals-api-production.up.railway.app/mcp/sse sse answering 180 ms 1 min ago
https://web3-signals-api-production.up.railway.app/mcp/stream streamable-http answering 190 ms 1 min ago

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Web3 Signals — questions

Answers built from our own checks of this server.

What can Web3 Signals do?
It exposes 10 tools, read directly from the server on our last check. Among them: compare_assets, get_all_signals, get_analytics, get_asset_performance, get_asset_signal, get_crypto_price and 4 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Web3 Signals working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 184 checks got a reply (0.0%), average response time 180 ms. The bar chart above shows every period we have measured.
The registry lists Web3 Signals as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect Web3 Signals?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Web3 Signals need an API key?
No. Web3 Signals completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 10 of them are readable on this page. This is what we observed, not what the docs claim.
Is Web3 Signals open source?
The code is open source: it is published under the MIT licence, written in Python, 3 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at web3-signals-api-production.up.railway.app, which runs on its operator's own terms.