x402 Freeq One

Pay-per-call MCP gateway with 15 tools — blockchain, markdown, changelog, ZK proofs, and more.

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What it can do

  • Markdown: Fetch a URL and convert its main content to clean, LLM-ready Markdown (strips nav/ads/sidebars). Options: output_format (markdown|text|json), css_selector, max_length, include_links, include
  • Token Price: Get the live price of a token by symbol (e.g. ETH, USDC, MATIC).
  • Wallet Portfolio: Get a complete wallet portfolio for an Ethereum address: native ETH balance, ERC-20 balances, NFT holdings, recent transfers.

What data it sees

Do you need an account

No: the server works without sign-in

Pay-per-call MCP gateway with 15 tools — blockchain, markdown, changelog, ZK proofs, and more. Each call settled via USDC micropayments on Base.

Server tool list (15)

Raw names from tools/list. Only developers need these.

markdownFetch a URL and convert its main content to clean, LLM-ready Markdown (strips nav/ads/sidebars). Options: output_format (markdown|text|json), css_selector, max_length, include_links, include_images.
token_priceGet the live price of a token by symbol (e.g. ETH, USDC, MATIC).
wallet_portfolioGet a complete wallet portfolio for an Ethereum address: native ETH balance, ERC-20 balances, NFT holdings, recent transfers.
whale_alertsScan recent blocks for large ETH transfers involving an address. Filter by direction (in/out/both) and threshold.
cross_chain_balanceAggregate native balance and token/NFT counts for an address across eth, arb, base, polygon, opt.
changelog_openapiDiff two OpenAPI specs and generate a structured breaking-change changelog (no LLM — deterministic diff). Provide base_spec_url and new_spec.
changelog_gitDiff git commits and generate a structured breaking-change changelog. Provide repository_url, base_commit, and optional target_commit.
mermaidRender a Mermaid diagram to an image (PNG or SVG). Returns a base64-encoded image (MCP content type image). Options: format (png|svg), theme (default|dark|forest|neutral), scale (1-4, PNG only).
html_to_markdownConvert an HTML string to clean, LLM-ready Markdown. Handles headings, links, images, tables, lists and code blocks. Options: heading style (atx|setext), bullet list marker, code block style, emphasis delimiters.
qr_generatorGenerate a QR code or barcode as an image (SVG or PNG). Returns a base64-encoded image (MCP content type image). Symbologies: qrcode/qr, code128, code39, ean13, ean8, upca, upce, isbn10, isbn13, issn, itf, gs1-128, databar.
og_image_generatorGenerate an Open Graph social-card image (1200x630 PNG) from a title and description. Returns a base64-encoded image (MCP content type image). Optional image URL embeds a header graphic. Title truncated to 60 chars, description to 120.
jobsSearch live job postings by keywords and locations. Returns structured results: title, company, location, apply URL, work types, employment type, seniority, industry, salary, and description. Supports onsite/remote/hybrid preferences. One call covers the whole market for a keyword + location pair.
verify_semaphoreVerify a Semaphore ZK proof locally using Groth16 (embedded official vkey). No external dependency. Send the proof object from @semaphore-protocol/proof generateProof().
verify_worldidVerify a World ID 4.0 proof via the Worldcoin Developer Portal API. Generates an RP signature server-side, then proxies the full IDKit proof to developer.world.org. Returns { valid, nullifier, worldcoin_response }.
verify_batchBatch verify up to 10 Semaphore proofs in a single request. Returns per-proof results with total count and average duration.