REAL-TIME PRICE DATA + AGENT DISCOVERY

Real-Time Price Data API

Blocksize Capital gives AI agents and builders live crypto, bid/ask, FX, and metals price data through a public remote MCP discovery server and x402-protected HTTP APIs.

Use the public MCP surface to discover symbols, inspect pricing, fetch integration docs, and choose the right data package. Route live production quotes, VWAP, bid/ask, FX, and metals through the paid HTTP API or the advanced local MCP setup.

+7000 Discoverable Symbols
$0.002 Minimum Cost / Call
HTTP Streamable Remote MCP
2 Settlement Networks
Open Price Data API View Subscriptions
Public Remote MCP URL
https://mcp.blocksize.info/mcp/server/

Read-only discovery tools for ChatGPT Developer Mode, Cursor, Claude MCP clients, Smithery, Glama, official registry listings, and AI systems looking for price data.

Listing-safe discovery mode Blocksize discovery demo
50 Welcome Credits

Eligible agent wallets can start with live-data credits.

New agent wallets using the credit path can receive 50 welcome credits automatically, then graduate into x402 settlement or prepaid drawdown credits as usage scales.

Header: X-AGENT-WALLET

Eligibility checks protect the trial from abuse; free discovery remains available through the public remote MCP server.

Listed across agent registries

Find Blocksize MCP where builders discover AI-agent tools.

Blocksize Agentic Market Data is published across MCP registries, agent marketplaces, payment catalogs, and public source repositories so crawlers and developers can verify the same remote MCP endpoint: https://mcp.blocksize.info/mcp/server/.

Official MCP RegistryActive remote server record GlamaVerified MCP connector SmitheryHosted tool directory listing Pay.shBlocksize market-data service x402scanx402 server listing GitHub RepoMCP package for community lists GitLab RepoPrimary source repository Awesome MCPCommunity submission PR

Integration Surfaces

Public Remote MCP

Directory and client onboarding

Free instrument discovery, pricing inspection, and robust document search tools for remote MCP clients.

/mcp/server/
Paid HTTP API

Live production market data

x402 or wallet-credit access to live market data endpoints for crypto, FX, metals, and batch requests.

/openapi.json
Advanced Local MCP

Full builder workflow

Approved collaborators can run the private local MCP server when they need the full paid tool surface inside their own MCP-compatible desktop or IDE workflow.

python -m src.mcp_server

Market Coverage

Crypto (VWAP & BidAsk)

Institutional crypto snapshots across 6,362 enabled VWAP pairs and a shared bid/ask namespace.

GET /v1/vwap/{pair}
GET /v1/bidask/{pair}

FX

Spot snapshots for the currently enabled foreign exchange pairs.

GET /v1/fx/{pair}

Metals

Spot pricing for gold, silver, platinum, palladium, and copper.

GET /v1/metal/{ticker}

Discovery and Docs

Free symbol search, service listings, pricing info, and OpenAI-style document search.

MCP tools: search_pairs, list_instruments, search, fetch

Price Data Packages

Blocksize packages live market data for agent routing, research workflows, autonomous execution checks, and applications that need fresh price context without opening an API account first.

Crypto VWAP Package

Real-time crypto price data

Institutional VWAP snapshots for enabled pairs including BTCUSD, ETHUSD, SOLUSD, and extended crypto assets.

GET /v1/vwap/{pair}
Bid/Ask Package

Market depth snapshots

Bid and ask price data for supported crypto and equity symbols where agents need current executable context.

GET /v1/bidask/{pair}
FX and Metals Package

TradFi reference prices

Spot FX and metals prices for workflows that need currency conversion, commodities context, or portfolio checks.

GET /v1/fx/{pair} · GET /v1/metal/{ticker}
Agent Discovery Package

Free search and citation layer

Remote MCP tools and public files that help ChatGPT, Claude, Cursor, search engines, and crawlers identify the right data route.

/mcp/server/ · /llms.txt · /server.json

Agent Flow

01

Discover

Use the public remote MCP server to find supported symbols, pricing tiers, and setup docs.

02

Choose Path

For live production data, move from discovery into the paid HTTP API or the advanced local MCP setup.

03

Settle

Use wallet credits or x402 payment proofs on Solana or Base for live market data calls. Eligible new agent wallets can receive 50 welcome credits automatically when using the X-AGENT-WALLET credit path.

04

Operate

Scale with credit drawdown, bulk tiers, and instrument-aware routing once your agent is in production.

Unit Pricing

Asset Class Unit Cost (USDC) Examples
Core Crypto $0.002 BTCUSD, ETHUSD, SOLUSD
Extended Crypto $0.004 JUPUSD, WIFUSD, AAVEUSD
FX and Metals $0.005 EURUSD, GBPUSD, XAUUSD

Bulk Credit Tiers

Credit drawdown removes per-call settlement latency for repeat agents while preserving the same underlying x402 economics.

Tier Credits Price Discount
Starter Pouch 1,000 $0.90 10% OFF
Growth Pack 10,000 $8.00 20% OFF
Institutional Vault 100,000 $60.00 40% OFF

Enterprise Subscriptions

For high-consumption agents requiring unlimited throughput, explore our traditional flat-rate subscription models.

View Subscriptions

Technical Artifacts

Remote MCP Quickstart

Install instructions for ChatGPT, Cursor, Claude MCP clients, and other Streamable HTTP runtimes.

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Prompt Examples

Reviewer-friendly prompts for discovery, pricing inspection, and integration handoff.

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Privacy Policy

Accessible policy covering request metadata, wallet-related inputs, and operational logging.

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Support

Troubleshooting checklist, reviewer links, and approved support path.

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Swagger UI

Interactive documentation for the paid HTTP market data API.

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MCP Manifest

Public listing metadata for the remote discovery server.

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Official Registry Metadata

Remote server descriptor prepared for the MCP Registry publisher flow.

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AI Reader Brief

Plain-text handoff for AI models, crawlers, and agent workflows looking for Blocksize price data.

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Sitemap

Canonical index of public discovery, API, registry, and data-package documentation URLs.

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Data Catalog

Package-level coverage reference for crypto, bid/ask, FX, metals, and discovery data.

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Agent Integration Guide

x402 flow, wallet-credit model, and system integration notes.

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