QuickBuild token-saver tools + x402
Free no-LLM token savers: URL→Markdown, outline, JSON trim, log compress, token count; x402 extras
Connect Remote server
claude mcp add --transport http agent-tools https://quickbuild.quynguyenbac.workers.dev/mcp{
"mcpServers": {
"agent-tools": {
"url": "https://quickbuild.quynguyenbac.workers.dev/mcp"
}
}
}{
"servers": {
"agent-tools": {
"type": "http",
"url": "https://quickbuild.quynguyenbac.workers.dev/mcp"
}
}
}Settings > Connectors > Add custom connector
URL: https://quickbuild.quynguyenbac.workers.dev/mcpTools 40 found in our last check
launchcheck_full[PAID $0.05 USDC per call via x402 on Base; errors are free] LaunchCheck full report for one public URL: status code, HTTPS/redirects, title/description, Open Graph/Twitter card, robots.txt/sitemap/noindex, plus up to 50 links checked for breakage, og:image load check, desktop 1…
website_audit[PAID $0.05 USDC per call via x402 on Base; errors are free] Pre-launch website audit: up to 3 pages crawled, 30 links checked, meta/OG/canonical, security headers, HTTPS, 404 handling, sitemap, and leaked-secret patterns in client JS (masked). Read-only.
page_metadata[PAID $0.005 USDC per call via x402 on Base; errors are free] Fetch one public web page and return structured metadata: title, meta description, canonical, lang, robots, Open Graph and Twitter card tags, favicon, RSS/Atom feeds, JSON-LD @types, and internal/external links (up to…
domain_intel[PAID $0.003 USDC per call via x402 on Base; errors are free] One call domain lookup for agents: DNS records A, AAAA, MX, NS, TXT, CAA (Cloudflare DoH), SPF parsed (all qualifier, lookup count, issues), DMARC parsed (policy, pct, rua, issues), RDAP summary (registrar, created, e…
x402_preflight[PAID $0.005 USDC per call via x402 on Base; errors are free] For developers of buyer agents. Makes ONE unpaid request (GET, POST fallback if GET is not allowed; 4 s timeout; max 2 redirects; 64 KB read) to the target and parses its HTTP 402 challenge (v2 PAYMENT-REQUIRED base64…
injection_check[PAID $0.003 USDC per call via x402 on Base; errors are free] For developers of AI agents that read untrusted web pages, emails or tool outputs. A RULE/PATTERN filter (regex heuristics, no LLM, no model-quality promise): flags instruction overrides ("ignore previous instructions…
summarize[PAID $0.02 USDC per call via x402 on Base; errors are free] Fetch a public web page (or take raw text) and return a structured JSON brief made by Llama 3.3 70B: title, language, contentType, summary, keyPoints, named entities with types, topic tags, concrete facts (prices, date…
translate[PAID $0.005 USDC per call via x402 on Base; errors are free] LLM translation (Meta Llama 4 Scout on Workers AI, M2M100 fallback). Give `text`, or a `url` whose main content is extracted as Markdown and translated in blocks, preserving Markdown formatting, URLs and code blocks.…
generate_image[PAID $0.01 USDC per call via x402 on Base; errors are free] Generate an original 1024x1024 image from a text prompt with FLUX.1 [schnell] on Workers AI (about 2-5 s). Returns JSON with image_base64 + mimeType, or the raw image bytes with format=jpeg. Content policy: no sexual/n…
screenshot_url[PAID $0.008 USDC per call via x402 on Base; errors are free] Render a public web page in a real headless Chrome (JavaScript executed, waits for network idle) and return a screenshot: viewport (default 1280x800) or full page (up to 8000 px tall), PNG or JPEG, optional dark mode…
text_to_speech[PAID $0.005 USDC per call via x402 on Base; errors are free] Turn text (up to 2000 chars) into spoken audio with MeloTTS on Cloudflare Workers AI, in English, Spanish, French, Chinese, Japanese or Korean. Returns JSON with audio_base64 + mimeType (audio/wav, 44.1 kHz mono), or…
base_gas_price[PAID $0.001 USDC per call via x402 on Base; errors are free] Live gas snapshot for Base mainnet (chain 8453) read from public Base RPC: latest block number/time/utilization, base fee, eth_gasPrice, eth_maxPriorityFeePerGas, the last 10 blocks of base fees, slow/standard/fast EI…
base_wallet_balances[PAID $0.002 USDC per call via x402 on Base; errors are free] Balances of one address on Base mainnet in a single call: native ETH, the well-known tokens USDC, USDT, USDbC, DAI, WETH, cbETH, wstETH, AERO (non-zero only, or all with includeZero=true), plus up to 10 extra ERC-20 c…
base_token_info[PAID $0.002 USDC per call via x402 on Base; errors are free] Inspect a token or any address on Base mainnet: contract vs EOA (incl. EIP-7702 delegation), bytecode size, ERC-20 name/symbol/decimals/totalSupply (raw and formatted; bytes32 symbols handled), proxy implementation (E…
base_token_batch[PAID $0.01 USDC per call via x402 on Base; errors are free] Batch version of /api/base/token for Base mainnet (chain 8453): pass up to 10 comma-separated contract addresses in `addresses` and get, per token, contract/EOA check, ERC-20 name/symbol/decimals/totalSupply, proxy imp…
base_snapshot[PAID $0.003 USDC per call via x402 on Base; errors are free] Bundle for agents that check Base before acting: everything in /api/base/gas (base fee, priority-fee tiers, trend, congestion, USD cost of ETH transfer / ERC-20 transfer / swap incl. L1 data fee) + ETH/USD from Chainl…
base_tx_status[PAID $0.002 USDC per call via x402 on Base; errors are free] Look up one transaction on Base mainnet by hash: status (success, failed or pending), block, timestamp, confirmations, from/to, value, method id, gas used, effective gas price, fee split into L2 execution and L1 data…
base_block[PAID $0.001 USDC per call via x402 on Base; errors are free] Block header for Base mainnet (chain 8453) from public Base RPC: block number, hash, parent hash, timestamp, age in seconds, confirmations vs current head, transaction count, gas used/limit/utilization, base fee (gwei…
base_name[PAID $0.001 USDC per call via x402 on Base; errors are free] Name resolution from public RPC: *.base.eth via the Basenames registry on Base, *.eth via the ENS Universal Resolver on Ethereum mainnet; a 0x address returns its Basename primary name with forwardVerified. Every resp…
base_risk[PAID $0.005 USDC per call via x402 on Base; errors are free] Decision-support heuristic for a Base ERC-20: bytecode scan for admin functions (mint, pause, blacklist, setFee, upgrade), owner() and paused() reads, proxy detection (public Base RPC), source verification, contract a…
base_activity[PAID $0.003 USDC per call via x402 on Base; errors are free] One-call wallet profile: account type (EOA / EIP-7702 / contract), nonce, ETH + main token balances with USD (public Base RPC), total transactions, token transfers, last 7/30 day activity and last seen, token count (f…
sol_wallet[PAID $0.003 USDC per call via x402 on Base; errors are free] Live from the public Solana mainnet RPC (no API key). Tokens sorted known-first then by amount; USD values not computed. Every response has disclaimer: "informational only, not investment advice"; unavailable values a…
sol_token[PAID $0.003 USDC per call via x402 on Base; errors are free] Mint account read live from the public Solana mainnet RPC (jsonParsed). Every response has disclaimer: "informational only, not investment advice"; unavailable values are null (never invented). Not a mint = 404, inval…
address_brief[PAID $0.02 USDC per call via x402 on Base; errors are free] Rules-only (no LLM) merge of /api/base/token, /api/base/risk, /api/base/activity or /api/sol/wallet, /api/sol/token logic. signals are plain reasons (owner not renounced, new contract, concentrated holders, mint author…
util_time[PAID $0.005 USDC per call via x402 on Base; errors are free] Authoritative current time from the Cloudflare edge clock. Optional tz (IANA name, e.g. Asia/Saigon, default UTC). Unknown timezone = 400, never charged.
util_uuid[PAID $0.005 USDC per call via x402 on Base; errors are free] RFC 9562 version 4 UUIDs from crypto.randomUUID at the edge. Optional count 1-100 (default 1).
util_random[PAID $0.005 USDC per call via x402 on Base; errors are free] CSPRNG (crypto.getRandomValues) with rejection sampling (no modulo bias). Optional min/max (default 0..1000000, range <= 2^32) and bytes 1-256 (default 32). Invalid input = 400, never charged.
util_hash[PAID $0.005 USDC per call via x402 on Base; errors are free] UTF-8 text (GET ?text= or POST JSON {"text": "..."}, max 100000 chars) hashed with SHA-256, SHA-512, SHA3-256 and keccak256 (0x-prefixed, as used by Ethereum). Missing/oversized text = 400, never charged.
base_token_verdict[PAID $0.01 USDC per call via x402 on Base; errors are free] Fixed documented point rules (returned in rules[]) over live public Base RPC reads, Blockscout and the free GeckoTerminal API (liquidity, volume, FDV, price change, top pool). Unavailable values are null and not scored…
llm_chat[PAID $0.003 USDC per call via x402 on Base; errors are free] One-shot LLM completion on Cloudflare Workers AI with a minimal interface: give `prompt` (and optionally `system`, or OpenAI-style `messages`), get {text, model, finish_reason, usage}. Models: llama-3.1-8b (default),…
text_embeddings[PAID $0.001 USDC per call via x402 on Base; errors are free] Drop-in OpenAI Embeddings endpoint: POST {input: string | string[], model, encoding_format: float|base64, dimensions} and get {object: "list", data: [{embedding, index}], model, usage}. Models (Cloudflare Workers AI):…
rerank_documents[PAID $0.002 USDC per call via x402 on Base; errors are free] Cohere/Jina-style rerank: POST {query, documents: string[] | {text}[], top_n, return_documents} and get {results: [{index, relevance_score, document?}]} sorted by relevance. Models (Cloudflare Workers AI): bge-reranke…
crypto_price[PAID $0.001 USDC per call via x402 on Base; errors are free] Live crypto prices for up to 25 coins per call: pass tickers in `symbols` (BTC,ETH,SOL,AERO,...; common tickers built in, others resolved by CoinGecko search to the largest coin with that ticker), CoinGecko `ids`, or…
fx_rate[PAID $0.002 USDC per call via x402 on Base; errors are free] Foreign-exchange rates from one base currency (`from`, default USD) to a list of currencies (`to`, comma-separated, or "all"; default 14 majors incl. EUR, GBP, JPY, CNY, INR, KRW, VND), with `amount` converted. Live m…
free_site_check[FREE, 10 calls/hour per IP] Quick check of one public website: homepage meta/OG/canonical, security headers, HTTPS, and up to 20 links tested for breakage. For the deeper 3-page audit with leaked-key scan use website_audit (paid).
url_to_markdown[FREE] Fetch a public web page and return only its main content as compact Markdown (headings, lists, links, images; scripts/styles/nav/header/cookie banners/footer/ads stripped). Does NOT execute JavaScript. JS-empty, challenge/blocked, invalid or private URLs return 4xx/5xx JS…
trim_json[FREE] Shrink a JSON document for LLM context: drop null/empty values, truncate long arrays and strings (with counts), limit depth, optional key allowlist. Reports estimated tokens saved. Limit 120/hour per IP.
compress_log[FREE] Compress log output: strip timestamps/ids noise, dedupe repeated lines with (xN) counts, collapse stack traces, keep head/tail and all error/warn lines within max_lines. Reports estimated tokens saved. Limit 120/hour per IP.
estimate_tokens[FREE] Fast approximate token count of text (heuristic estimate, not a real tokenizer; no prices). Limit 120/hour per IP.
extract_links_and_headings[FREE] Outline of a public web page (title, description, headings, deduped links, approx full-page tokens) so an agent can decide whether to read it fully. Limit 30/hour per IP.
Details
| Endpoint | https://quickbuild.quynguyenbac.workers.dev/mcp (Streamable HTTP) |
| First published | 29 Oct 2026 |
| Last updated | 29 Oct 2026 |
| Registry name | dev.workers.quynguyenbac.quickbuild/agent-tools |
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