# quartermaster MCP server

x402 toolkit for AI agents: paid web, AI, and Base chain tools per call in USDC. Free tools too.

## Links
- Registry page: https://www.getdrio.com/mcp/app-surewhynot-quartermaster-quartermaster
- Website: https://quartermaster.surewhynot.app

## Install
- Endpoint: https://quartermaster.surewhynot.app/mcp
- Auth: Not captured

## Setup notes
- Remote endpoint: https://quartermaster.surewhynot.app/mcp

## Tools
- x402_router - START HERE. One tool for anything x402, Base chain, or web/AI: describe your goal in plain English (q) and Quartermaster picks and runs the right underlying tool, returning the answer plus which tool it used. Examples: 'audit https://api.example.com/paid', 'price of eth', 'is 0x… a contract', 'verify settlement 0x…', 'search the bazaar for weather'. Use this when you don't want to choose among the individual tools below. Costs $0.03 (USDC via x402). Endpoint: https://quartermaster.surewhynot.app/mcp
- web_extract - [Web] Extract clean readable text and metadata from a public webpage as structured JSON. Costs $0.005 (USDC via x402). Endpoint: https://quartermaster.surewhynot.app/mcp
- page_meta - [Web] Get page metadata: title, description, Open Graph, canonical URL, favicon, language. Costs $0.002. Endpoint: https://quartermaster.surewhynot.app/mcp
- qr_generate - [Web] Generate a QR code as SVG (or terminal text with format=text). Costs $0.002. Endpoint: https://quartermaster.surewhynot.app/mcp
- dns_lookup - [Web] Resolve DNS records over DNS-over-HTTPS (A, AAAA, CNAME, MX, NS, TXT, and more). Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- http_error_explain - [Web] Explain an HTTP status code: meaning, common causes, fixes, retry guidance. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- tx_status - [Crypto/Base] Check a Base transaction: success/reverted/pending, confirmations, gas, explorer link. Costs $0.002. Choose this for a quick raw status; use payment_receipt for decoded transfers, or settlement_assurance to PROVE an x402 payment settled to the right wallet/amount. Endpoint: https://quartermaster.surewhynot.app/mcp
- wallet_balance - [Crypto/Base] ETH and USDC (or any ERC-20) balance for an address on Base. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- gas_prices - [Crypto/Base] Current Base gas prices with a simple-transfer cost estimate. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- summarize_url - [AI] AI summary of a public webpage (fetch + extract + summarize). length: short|medium|long. Costs $0.01. Endpoint: https://quartermaster.surewhynot.app/mcp
- translate_text - [AI] AI translation into any target language; source auto-detected. Costs $0.005. Endpoint: https://quartermaster.surewhynot.app/mcp
- tldr_text - [AI] Summarize raw text you pass in directly (not a URL). length: short|medium|long. Costs $0.005. Use summarize_url when you have a URL instead. Endpoint: https://quartermaster.surewhynot.app/mcp
- classify_text - [AI] Zero-shot classification of text into caller-supplied labels; the result is validated back into your label set so you can route on it. Costs $0.002. Endpoint: https://quartermaster.surewhynot.app/mcp
- unshorten_url - [Web] Expand a shortened/redirecting URL: follow the redirect chain and return every hop plus the final destination. Each hop is SSRF-validated. Costs $0.002. Safe way to see where an untrusted link goes. Endpoint: https://quartermaster.surewhynot.app/mcp
- regex_test - [Dev] Test a regular expression against text; returns every match with numbered and named capture groups. Deterministic. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- random_numbers - [Dev] Cryptographically-secure random integers in a range (CSPRNG, unbiased) — real entropy an LLM cannot produce itself. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- random_pick - [Dev] Pick one or several options at random from a caller-supplied list (CSPRNG), optionally without replacement. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- http_check - [Web] Liveness/latency pre-flight for a URL: is it up, HTTP status and class, response latency in ms, whether it redirects and where, content-type and server. Costs $0.001. Use before relying on a dependency. Endpoint: https://quartermaster.surewhynot.app/mcp
- public_holiday - [Dev] Is a date a public holiday in a country (2-letter ISO code)? Returns the holiday name, its types, and the next upcoming holiday. Costs $0.001. Useful for scheduling. Endpoint: https://quartermaster.surewhynot.app/mcp
- x402_inspect - [x402] Inspect and lint any x402 paid endpoint: decode the 402 challenge, identify network/asset, flag misconfigurations and Bazaar-readiness. Costs $0.002. Choose this for a quick one-shot decode+lint; use x402_audit for a full 0-100 scored report with origin discovery probes and recommended fixes. Endpoint: https://quartermaster.surewhynot.app/mcp
- x402_simulate - [x402] Pre-flight a payment BEFORE you spend: decode an endpoint's 402 challenge, report the cost on every rail (Base and Solana) and the cheapest, and — with an optional payer address — verify the wallet can afford the call on Base. Costs $0.003. Use this before paying an unfamiliar endpoint; use x402_inspect to lint an endpoint you own. Endpoint: https://quartermaster.surewhynot.app/mcp
- tx_decode - [Crypto/Base] Decode a Base transaction's calldata into the function it called and its arguments — ERC-20 transfer/approve and the EIP-3009 transferWithAuthorization used by x402 settlements. Recognizes x402 settlement transactions and formats USDC amounts. Costs $0.003. Use tx_status for pass/fail; use this to see WHAT a transaction did. Endpoint: https://quartermaster.surewhynot.app/mcp
- embed_text - [AI] Text embeddings (1024-dim vector) for semantic search and RAG. Costs $0.002. Endpoint: https://quartermaster.surewhynot.app/mcp
- extract_structured - Structured extraction: JSON Schema plus a URL or raw text in, matching JSON out. Costs $0.005. Endpoint: https://quartermaster.surewhynot.app/mcp
- moderate_text - [AI] Content-safety classification (Llama Guard): safe flag plus category codes. Costs $0.002. Endpoint: https://quartermaster.surewhynot.app/mcp
- describe_image - [AI] AI vision: describe a public image URL, including visible text. Costs $0.005. Endpoint: https://quartermaster.surewhynot.app/mcp
- token_price - [Crypto/Base] USD price for major tokens by symbol or any Base ERC-20 by address. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- payment_receipt - [x402] Formatted settlement receipt for a Base transaction (0x hash) or Solana settlement (base58 signature): timestamp, decoded transfers, explorer link. Costs $0.002. Choose this for a human-readable record; use payment_proof to ASSERT a specific payTo/amount, or settlement_assurance for a full scored verdict. Endpoint: https://quartermaster.surewhynot.app/mcp
- resolve_basename - Resolve a Basename (.base.eth) to a wallet address on Base. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- x402_audit - [x402] WORKFLOW: full scored audit of an x402 SELLER endpoint (a URL) in one call - verifies the 402 challenge, payment fields, Bazaar discovery metadata, and the origin's discovery surfaces; returns a 0-100 score, checks with evidence, and recommended fixes. Costs $0.01. Use this to grade an endpoint before trusting/publishing it; use settlement_assurance instead when you already have a transaction hash and want to prove a completed PAYMENT settled correctly. Endpoint: https://quartermaster.surewhynot.app/mcp
- payment_proof - [x402] Verify an x402 settlement on Base OR Solana from a tx id (0x hash or base58 signature): confirm it succeeded, decode its USDC transfers, optionally assert payTo/amount - returns a single verdict. Costs $0.003. Choose this when you only need the yes/no did-it-land answer; use settlement_assurance for the full scored report (proof + receipt + optional endpoint audit). Endpoint: https://quartermaster.surewhynot.app/mcp
- settlement_assurance - [x402] FLAGSHIP: from a tx id on Base (0x hash) or Solana (base58 signature), prove a completed x402 payment is real and sound - onchain success, USDC transfer match to an expected wallet/amount, a receipt, and an optional audit of the issuing endpoint - as one 0-100 scored report with a verdict. Costs $0.03. This is the most complete post-payment check; use payment_proof if you only need a plain pass/fail, tx_status for raw status, or x402_audit to grade a seller endpoint by URL (no payment yet). Endpoint: https://quartermaster.surewhynot.app/mcp
- x402_discover - [x402] Search the Coinbase x402 Bazaar for paid resources by natural-language query. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- x402_merchant - [x402] List all x402 Bazaar resources under a merchant payTo wallet. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- usdc_normalize - Convert USDC amounts between atomic units and human decimals. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- base_token_info - ERC-20 name, symbol, decimals, total supply for a token on Base. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- base_allowance - Check an ERC-20 spending allowance on Base; flags unlimited approvals. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- base_contract - Determine whether a Base address is a contract or an EOA. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- base_usdc_transfers - Recent USDC transfers (in and out) for an address on Base. Costs $0.002. Endpoint: https://quartermaster.surewhynot.app/mcp
- jwt_decode - [Dev] Decode a JWT header and payload (signature NOT verified). Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- base64 - [Dev] Base64 encode or decode a string. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- text_stats - [Dev] Word/sentence counts, reading time, and readability score for text. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- text_diff - [Dev] Compact line-level diff between two texts. Costs $0.001. Endpoint: https://quartermaster.surewhynot.app/mcp
- x402_test_vector - [x402] Free: example x402 payment-requirement objects with field explanations. Endpoint: https://quartermaster.surewhynot.app/mcp
- current_time - FREE (no wallet needed): current time as ISO, unix, UTC, and optional local time for an IANA timezone. Endpoint: https://quartermaster.surewhynot.app/mcp
- generate_uuid - FREE (no wallet needed): generate UUID v4 values, up to 100 at once. Endpoint: https://quartermaster.surewhynot.app/mcp
- hash_string - FREE (no wallet needed): SHA-1/256/384/512 hex digest of a string. Endpoint: https://quartermaster.surewhynot.app/mcp
- http_errors_list - FREE (no wallet needed): index of documented HTTP status codes (use http_error_explain for a paid detailed explanation). Endpoint: https://quartermaster.surewhynot.app/mcp
- quartermaster_info - Free: catalog, prices, and payment instructions for this server. Endpoint: https://quartermaster.surewhynot.app/mcp

## Resources
Not captured

## Prompts
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## Metadata
- Owner: app.surewhynot.quartermaster
- Version: 1.6.0
- Runtime: Streamable Http
- Transports: HTTP
- License: Not captured
- Language: Not captured
- Stars: Not captured
- Updated: Jul 7, 2026
- Source: https://registry.modelcontextprotocol.io