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xsignal

R0· no sign-in

x402 pay-per-call data tools for Base agents. Flagship get_intent ABSTAINS instead of guessing.

v0.2.1 · active · repository · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality83good
Trust87of 100
Uptime, 30 days100%
Latency p50233 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "xsignal": {
      "type": "http",
      "url": "https://xsignal-production.up.railway.app/mcp"
    }
  }
}
claude mcp add --transport http xsignal https://xsignal-production.up.railway.app/mcp
[mcp_servers.xsignal]
url = "https://xsignal-production.up.railway.app/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "xsignal": {
      "type": "remote",
      "url": "https://xsignal-production.up.railway.app/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "xsignal": {
      "type": "http",
      "url": "https://xsignal-production.up.railway.app/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=xsignal&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8veHNpZ25hbC1wcm9kdWN0aW9uLnVwLnJhaWx3YXkuYXBwL21jcCJ9"
}
{
  "servers": {
    "xsignal": {
      "type": "http",
      "url": "https://xsignal-production.up.railway.app/mcp"
    }
  }
}
{
  "mcpServers": {
    "xsignal": {
      "httpUrl": "https://xsignal-production.up.railway.app/mcp"
    }
  }
}
extensions:
  "xsignal":
    enabled: true
    name: "xsignal"
    type: streamable_http
    uri: "https://xsignal-production.up.railway.app/mcp"
    timeout: 300

Quality 83 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2024-11-05; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: get_signal (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_token_intel (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_screen (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 997 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependencies100 · weight 15
  • pass
    deps.known_vulnsno known advisory in 105 resolved packages
  • n/a
    deps.mcp_sdk_versionthe official MCP SDK is not in the dependency graph
  • pass
    deps.resolvable@rakshasar/[email protected] resolved: 105 packages

6 tools, about 997 tokens to load them all · tool set 66050d0e1caa · checked 2026-10-19 12:00 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 87 / 100

provenance80
liveness100
freshness65
hygiene100

+repository +namespace-matches-repo +reachable +uptime-100% ~updated-109d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Dependencies

@rakshasar/[email protected] npm104 dependencies, resolved · advisories checked 2026-10-19

No known advisory affects this dependency graph.

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0. The graph is what a clean install of this version resolves today; nothing was installed or run. How it is checked.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://xsignal-production.up.railway.app/mcp streamable-httpnoneyes100%233 ms2024-11-052026-10-19
packageregistryversionruntimesecrets
@rakshasar/xsignalnpm0.2.1npx

Tools (6)

get_intentFLAGSHIP. An outcome-priced momentum verdict that ABSTAINS below your confidence bar - the only x402 signal that refuses to answer (honestly) when it is not sure. Post {addr, min_confidence 0-1} then pay $0.01, and get a mechanical momentum verdict "gaining" or "fading" IF the signal agreement clears your bar, else a calibrated "abstain". Paid answers carry a keyless tamper-evidence receipt. confidence is a transparent heuristic, NOT a prediction; not financial advice. x402-paid at GET/POST /intent (3 free calls per wallet via ?wallet=0x…). Example: GET /intent?addr=0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed&min_confidence=0.7
get_preflightThe Base PREFLIGHT: one call fuses MainStreet on-chain SAFETY (SAFE/WATCH/AVOID + rug flags) with xsignal MOMENTUM (the abstaining read) into a single recommendation (GO / CAUTION / AVOID / AVOID_ENTRY / NEUTRAL / UNVERIFIED) answering "is this token safe to touch AND moving?". Safety GATES momentum - never green-lights a token that can rug. x402-paid at GET/POST /preflight ($0.05; 3 free per wallet via ?wallet=0x…). Input: addr (0x Base token). Not financial advice.
get_screenBATCH watchlist screen: run the preflight (safety ⊕ momentum) over up to 10 Base tokens in one call → which are GO (safe + moving), plus a per-token verdict + a summary count. For an agent screening a watchlist. x402-paid at GET/POST /screen ($0.10; 3 free per wallet via ?wallet=0x…). Input: addrs (array or comma-separated 0x addresses). Not financial advice.
get_signalReal-time X/social signal for a topic: scored (virality + freshness) and CITED (source urls), deduped and ranked. Input: query (topic) OR candidates[] (bring your own posts to score). x402-paid at GET/POST /signal ($0.01; 3 free per wallet via ?wallet=0x…). Example: GET /signal?q=base+memecoin
get_token_briefA fused MEAL: one call combines Base token market intel + real-time social signal into a single "what is happening with $TOKEN right now" brief - market flags + top CITED social posts + a plain-language, non-advisory summary. Saves an agent the fetch-and-fuse work. x402-paid at GET/POST /brief ($0.05; 3 free per wallet via ?wallet=0x…). Example: GET /brief?addr=0x4ed4…&q=degen
get_token_intelBase token MARKET data (liquidity, 24h volume, price + change, pool age, buy/sell flow, mechanical flags) from public DEX pools. Market data, NOT a trust/safety rating. Best used as an input to get_token_brief. x402-paid at GET/POST /token ($0.01; 3 free per wallet via ?wallet=0x…).

Schemas: list_tools.

Similar MCP servers

More from io.github.philpof102-svg

Official server.json
{
  "name": "io.github.philpof102-svg/xsignal",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://xsignal-production.up.railway.app/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.2.1",
  "packages": [
    {
      "version": "0.2.1",
      "transport": {
        "type": "stdio"
      },
      "identifier": "@rakshasar/xsignal",
      "runtimeHint": "npx",
      "registryType": "npm",
      "registryBaseUrl": "https://registry.npmjs.org",
      "runtimeArguments": [
        {
          "type": "positional",
          "value": "@rakshasar/xsignal",
          "valueHint": "package-name"
        },
        {
          "type": "positional",
          "value": "xsignal-mcp",
          "valueHint": "bin-name"
        }
      ],
      "environmentVariables": [
        {
          "name": "XSIGNAL_WALLET",
          "description": "Your 0x Base address for 3 free calls per wallet; beyond that the tools return an x402 pay pointer."
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/philpof102-svg/xsignal",
    "source": "github"
  },
  "description": "x402 pay-per-call data tools for Base agents. Flagship get_intent ABSTAINS instead of guessing."
}