Which integrations are available for this server?

Provides pay-per-call tools for analyzing tokens on the Base network (by Coinbase), including safety preflights, momentum intent with abstention, token briefs, and cited social signals, all paid via x402 (USDC) on Base.

How do I use xsignal MCP Server?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@xsignal MCP Server intent for 0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

xsignal MCP Server

by philpof102-svg

Overview Schema Related Servers Score Discussions

JavaScript

Remote

⚡ xsignal

Pay-per-call data ingredients for AI agents on Base, via x402 (USDC). The flagship is the one thing no other x402 signal does: get_intent abstains — it returns "no verdict" (and says so) when it isn't confident enough, instead of always answering and always charging. 3 free calls per wallet to try, then from $0.01. Verify-only: never signs or moves funds.

The tools (flagship first)

Tool / route	Price	What you get
`get_preflight` · `GET /preflight?addr=0x…`	$0.05	The composed Base preflight: fuses on-chain safety (SAFE/WATCH/AVOID + rug flags, via MainStreet) with momentum into one verdict — GO / CAUTION / AVOID. Safety gates momentum, so it never green-lights a token that can rug.
`get_intent` · `GET /intent?addr=0x…&min_confidence=0.7`	$0.01	An outcome-priced momentum verdict (`gaining`/`fading`) only if confidence clears your bar, else a calibrated `abstain`. Paid answers carry a keyless tamper-evidence receipt.
`get_token_brief` · `GET /brief?addr=0x…`	$0.05	A meal: fuses market intel + cited social signal into a "what is happening with $TOKEN now" brief.
`get_signal` · `GET /signal?q=<topic>`	$0.01	A scored (virality + freshness) and cited real-time X/social signal.
`get_token_intel` · `GET /token?addr=0x…`	$0.01	Base token market data (liquidity/volume/price/age/flow + flags). Best as an input to the brief.
`POST /mcp`	—	MCP (streamable-http): `tools/list` discovers the 5 tools; a `tools/call` returns an x402 payment pointer.
`GET /health` · `/.well-known/mcp.json` · `/.well-known/agent-card.json` · `/skill.md`	free	health + agent discovery + the installable skill (no data).

Related MCP server: Octodamus Market Intelligence

Try it free (3 calls per wallet)

Add ?wallet=0xYourAddress to any route for 3 free full results, so you can evaluate quality before paying. After 3, that wallet pays via x402.

curl "https://xsignal-production.up.railway.app/intent?addr=0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed&min_confidence=0.5&wallet=0xYourAddr"

Then run the example — a watchlist alerter that surfaces only the tokens confidently moving (and stays quiet on the rest):

WALLET=0xYourAddr node examples/watchlist-alerter.js

Pay with x402 (beyond the free probe)

The first post-probe request returns HTTP 402 with an accepts array (price in USDC, network base, payTo). Pay with x402-fetch/x402-axios and a funded Base wallet, resubmit with the X-PAYMENT header, get the result. /intent is pay-first: you pay, then get a verdict or an honest abstain.

Safety

We never sign or move funds. x402 means we receive USDC to payTo; payment is verify-only via a facilitator. Signals are scored from public X posts + public DEX data — verify before acting; not financial advice. Confidence is a mechanical heuristic, not a calibrated probability or a prediction.

Config (env)

Var	Purpose
`XSIGNAL_PAYTO`	address that receives USDC (public; no key). Default = the operator address.
`XSIGNAL_PRICE_USD` / `XSIGNAL_BRIEF_PRICE_USD` / `XSIGNAL_INTENT_PRICE_USD`	per-call prices (default `0.01` / `0.05` / `0.01`)
`XSIGNAL_PROBE_FREE`	free probe calls per wallet (default `3`)
`X402_NETWORK` / `FACILITATOR_URL`	`base` (mainnet CDP, needs `CDP_API_KEY_ID`/`CDP_API_KEY_SECRET`) or `base-sepolia` (keyless x402.org)
`X_BEARER_TOKEN` or `XAI_API_KEY`	live X/Grok source for `get_signal` (token intel + intent are keyless via DexScreener). No key → a labelled DEMO seed.

Run

npm start      # :4520
npm test       # full self-test suite (signal · tokenintel · brief · intent · x402 · sources · server)

Zero runtime deps for the core (plain Node >=18); @coinbase/x402 is used only for CDP-facilitator auth on mainnet.

This server cannot be installed

license - permissive license

quality - not tested

maintenance

How are these scores calculated?

Maintenance

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–Release cycle

–Releases (12mo)

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