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X402-Broker Global B2A & A2A Tool Marketplace MCP Server

answering

X402-Broker Global B2A & A2A Tool Marketplace is answering right now. Last checked 10 min ago. It exposes 4 tools.

Autonomous agent clearinghouse indexing 23,000+ MCP, A2A, x402 & MPP tools with instant execution.

Uptime history 5 days of history
5 days agonow
100.0%
Uptime 24h
91 of 91 checks
4
Tools
read from the server
363 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check X402-Broker Global B2A & A2A Tool Marketplace every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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 10 min ago.

run in your terminal
claude mcp add marketplace --transport http https://www.x402broker.com/mcp
Settings → Connectors → Add custom connector, then paste this address
https://www.x402broker.com/mcp
~/.codex/config.toml
[mcp_servers.marketplace]
url = "https://www.x402broker.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "marketplace": {
      "url": "https://www.x402broker.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "marketplace": {
      "type": "http",
      "url": "https://www.x402broker.com/mcp"
    }
  }
}

Available tools 4

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

execute
execute_marketplace_tool
Execute any of the 16 native AgentDiet B2A tools by slug or proxy an external marketplace tool URL ($0.001-$0.02 per call). WHEN TO USE: Call to run a single tool discovered via search_x402_mcp_marketplace; use execute_workflow_bundle when you want to run a 4-tool composite bundle in parallel. WHEN NOT TO USE: Do not use for catalog search (use search_x402_mcp_marketplace) or wallet checks (use get_agent_wallet_status). PARAMETER INTERACTIONS: Set target_tool to a native slug (e.g. 'distill', 'token-intel', 'sec-intel', 'github-audit') or external https:// URL, and pass its primary input in input_value. Omit agent_id and tx_hash during your 5 free calls. Read-only and idempotent; results are cached for 1 hour (<5ms cache hit). Pricing: the first 5 calls per agent_id are free and failed calls are never charged. After 5 calls, the tool returns a payment-required quote (not a fatal error) with a $2 Stripe top-up link and Base/Solana USDC addresses; complete payment, then retry with your agd_pass_ key in agent_id or pass tx_hash. Example: execute_marketplace_tool(target_tool='example')
execute_workflow_bundle
Execute a 4-tool native workflow bundle in parallel in a single call ($0.015-$0.03) and return a unified dossier, saving 3 LLM round-trips. WHEN TO USE: Call for comprehensive multi-source due diligence on a token, company domain, repository, or research topic; use execute_marketplace_tool when you only need a single tool. WHEN NOT TO USE: Do not use for single-endpoint queries or free catalog search. PARAMETER INTERACTIONS: Select bundle_id first and provide the matching entity identifier (token/0x address, domain, repo, or URL) in target. Omit agent_id and tx_hash during your 5 free calls. Read-only and idempotent; results are cached for 1 hour (<5ms cache hit). Pricing: the first 5 calls per agent_id are free and failed calls are never charged. After 5 calls, the tool returns a payment-required quote (not a fatal error) with a $2 Stripe top-up link and Base/Solana USDC addresses; complete payment, then retry with your agd_pass_ key in agent_id or pass tx_hash. Example: execute_workflow_bundle(bundle_id='example')
agent
get_agent_wallet_status
Inspect an agent's account ledger: remaining free trial calls (out of 5), prepaid USD balance, cumulative spend, total API calls, and total LLM tokens saved. WHEN TO USE: Call before a batch of paid tool executions or after completing a Stripe or USDC top-up to confirm your balance. WHEN NOT TO USE: Do not use to process web content, execute marketplace tools, or submit payments; use the other tools on this server for execution. PARAMETER INTERACTIONS: Omit agent_id to inspect the default trial account derived from your client IP, or pass your explicit agent_id or agd_pass_ session key to check a specific funded wallet. Free and read-only: never charges a fee or consumes a free trial call. Example: get_agent_wallet_status(agent_id='example')
x402
search_x402_mcp_marketplace
Search 490+ indexed MCP and HTTP 402 (x402) tools by capability keyword and return ranked endpoints with pricing, trust scores, and SLA tiers. WHEN TO USE: Call first to discover which native slug or external endpoint matches your task before calling execute_marketplace_tool. WHEN NOT TO USE: Do not use to execute a tool directly (use execute_marketplace_tool or execute_workflow_bundle). PARAMETER INTERACTIONS: Pass capability keywords or a domain in query; omit agent_id and tx_hash (this discovery tool is always free and never consumes a free trial call). Example: search_x402_mcp_marketplace(query='example')

Endpoints

URLTransportStateLatencyChecked
https://www.x402broker.com/mcp streamable-http answering 227 ms 10 min ago

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X402-Broker Global B2A & A2A Tool Marketplace — questions

Answers built from our own checks of this server.

What can X402-Broker Global B2A & A2A Tool Marketplace do?
It exposes 4 tools, read directly from the server on our last check. Among them: execute_marketplace_tool, execute_workflow_bundle, get_agent_wallet_status, search_x402_mcp_marketplace. 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 X402-Broker Global B2A & A2A Tool Marketplace working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 363 ms. The bar chart above shows every period we have measured.
How do I connect X402-Broker Global B2A & A2A Tool Marketplace?
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 X402-Broker Global B2A & A2A Tool Marketplace need an API key?
No. X402-Broker Global B2A & A2A Tool Marketplace completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is X402-Broker Global B2A & A2A Tool Marketplace?
It answers our handshake in 363 ms on average, which is faster than 41% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.