Blocksize Capital gives agent builders a public remote MCP discovery server and x402-protected HTTP market data for live paid access.
Use the public MCP surface to discover symbols, inspect pricing, and fetch integration docs. Route live production quotes, VWAP, FX, and metals through the paid HTTP API or the advanced local MCP setup.
Read-only discovery tools for ChatGPT Developer Mode, Cursor, Claude MCP clients, Smithery, Glama, and official registry listings.
Listing-safe discovery mode
Free instrument discovery, pricing inspection, and robust document search tools for remote MCP clients.
/mcp/server/
x402 or wallet-credit access to live market data endpoints for crypto, FX, metals, and batch requests.
/openapi.json
Run the local MCP server from this repository when you want the full paid tool surface inside your own MCP-compatible desktop or IDE workflow.
python -m src.mcp_server
Institutional crypto snapshots across 6,362 enabled VWAP pairs and a shared bid/ask namespace.
GET /v1/vwap/{pair}Global equity pricing data served through the unified bid/ask endpoint.
GET /v1/bidask/{symbol}Bid, ask, and mid snapshots for the currently enabled foreign exchange pairs.
GET /v1/bidask/{pair}Spot pricing for gold, silver, platinum, palladium, and copper.
GET /v1/bidask/{ticker}Market data for leading global commodities accessed via the unified endpoint.
GET /v1/bidask/{ticker}Free symbol search, service listings, pricing info, and OpenAI-style document search.
MCP tools: search_pairs, list_instruments, search, fetchUse the public remote MCP server to find supported symbols, pricing tiers, and setup docs.
For live production data, move from discovery into the paid HTTP API or the advanced local MCP setup.
Use wallet credits or x402 payment proofs on Solana or Base for live market data calls.
Scale with credit drawdown, bulk tiers, and instrument-aware routing once your agent is in production.
| 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 |
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 |
For high-consumption agents requiring unlimited throughput, explore our traditional flat-rate subscription models.
Install instructions for ChatGPT, Cursor, Claude MCP clients, and other Streamable HTTP runtimes.
Reviewer-friendly prompts for discovery, pricing inspection, and integration handoff.
Accessible policy covering request metadata, wallet-related inputs, and operational logging.
Contact path, troubleshooting checklist, and reviewer links.
Interactive documentation for the paid HTTP market data API.
Public listing metadata for the remote discovery server.
Remote server descriptor prepared for the MCP Registry publisher flow.
x402 flow, wallet-credit model, and system integration notes.