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x402 Agent Tools

R0· no sign-in

Pay-per-call web, Base onchain and crypto-alert tools for agents. USDC on Base via x402, no API key.

v1.1.0 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality73new
Trust96of 100
Uptime, 30 days95%
Latency p50294 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "x402-agent-tools": {
      "type": "http",
      "url": "https://x402-agent-tools.x402agenttools.workers.dev/mcp"
    }
  }
}
claude mcp add --transport http x402-agent-tools https://x402-agent-tools.x402agenttools.workers.dev/mcp
[mcp_servers.x402-agent-tools]
url = "https://x402-agent-tools.x402agenttools.workers.dev/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "x402-agent-tools": {
      "type": "remote",
      "url": "https://x402-agent-tools.x402agenttools.workers.dev/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "x402-agent-tools": {
      "type": "http",
      "url": "https://x402-agent-tools.x402agenttools.workers.dev/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=x402-agent-tools&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8veDQwMi1hZ2VudC10b29scy54NDAyYWdlbnR0b29scy53b3JrZXJzLmRldi9tY3AifQ%3D%3D"
}
{
  "servers": {
    "x402-agent-tools": {
      "type": "http",
      "url": "https://x402-agent-tools.x402agenttools.workers.dev/mcp"
    }
  }
}
{
  "mcpServers": {
    "x402-agent-tools": {
      "httpUrl": "https://x402-agent-tools.x402agenttools.workers.dev/mcp"
    }
  }
}
extensions:
  "x402-agent-tools":
    enabled: true
    name: "x402-agent-tools"
    type: streamable_http
    uri: "https://x402-agent-tools.x402agenttools.workers.dev/mcp"
    timeout: 300

Quality 73 / 100new

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-06-18; 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: web_crawl (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); base_wallet_profile (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); fx_rates (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 668 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stabilityn/a · weight 15
  • n/a
    stability.changes, stability.rug_pulltool history recorded for 5 of the 7 days needed
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

9 tools, about 668 tokens to load them all · tool set 49b86467f5d4 · checked 2026-11-07 17:28 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 96 / 100

provenance90
liveness98
freshness100
hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-95% +updated-6d-ago

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

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://x402-agent-tools.x402agenttools.workers.dev/mcp streamable-httpnoneyes95%294 ms2025-06-182026-11-07

Tools (9)

alerts_latestOne-shot: latest factual market alerts (symbol, time, signal type, price, % move, timeframe, source). Informational data only, not investment advice. Price $0.01 USDC on Base via x402.
alerts_sampleFREE: 3 factual crypto/market alerts delayed 60+ minutes. Informational data only, not investment advice. Alerts are automated factual observations (price/volume moves); no buy/sell recommendation is made or implied.
base_token_priceCurrent USD price of a Base token by contract address (GeckoTerminal, fallback DefiLlama), with 24h change, volume, liquidity/FDV where available. Price $0.005 USDC on Base via x402 (3 free calls/day per caller).
base_token_riskBase mainnet token/contract risk check via public RPC: ERC-20 metadata, owner, EIP-1967 proxy, risky bytecode selectors (mint/blacklist/pause/fee setters), heuristic risk score. Price $0.04 USDC on Base via x402.
base_wallet_profileBase wallet profile via public RPC: ETH and USDC balances, nonce (tx count), contract-or-EOA, recent USDC transfers (last ~10k blocks). Price $0.02 USDC on Base via x402.
fx_ratesFiat exchange rates (ECB reference rates via frankfurter.app), latest or historical. Price $0.002 USDC on Base via x402 (3 free calls/day per caller).
web_crawlSame-origin multi-page crawl (up to 10 pages, breadth-first) returning Markdown for each page. Price $0.16 USDC on Base via x402.
web_extractStructured JSON extraction from a web page: title, meta/OpenGraph, JSON-LD, headings, links, tables, contact emails, plus Markdown body. Price $0.04 USDC on Base via x402.
web_markdownAny public web page URL -> clean Markdown (Readability + Turndown). Returns {url,title,byline,length,markdown}. Price $0.01 USDC on Base via x402 (3 free calls/day per caller).

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "io.github.signal-forge-ai/x402-agent-tools",
  "title": "x402 Agent Tools",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://x402-agent-tools.x402agenttools.workers.dev/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.1.0",
  "repository": {
    "url": "https://github.com/signal-forge-ai/x402-agent-tools",
    "source": "github"
  },
  "websiteUrl": "https://x402-agent-tools.x402agenttools.workers.dev/llms.txt",
  "description": "Pay-per-call web, Base onchain and crypto-alert tools for agents. USDC on Base via x402, no API key."
}