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.
| 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_images. |
| 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. |
| whale_alerts | Scan recent blocks for large ETH transfers involving an address. Filter by direction (in/out/both) and threshold. |
| cross_chain_balance | Aggregate native balance and token/NFT counts for an address across eth, arb, base, polygon, opt. |
| changelog_openapi | Diff two OpenAPI specs and generate a structured breaking-change changelog (no LLM — deterministic diff). Provide base_spec_url and new_spec. |
| changelog_git | Diff git commits and generate a structured breaking-change changelog. Provide repository_url, base_commit, and optional target_commit. |
| mermaid | Render 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_markdown | Convert 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_generator | Generate 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_generator | Generate 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. |
| jobs | Search 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_semaphore | Verify a Semaphore ZK proof locally using Groth16 (embedded official vkey). No external dependency. Send the proof object from @semaphore-protocol/proof generateProof(). |
| verify_worldid | Verify 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_batch | Batch verify up to 10 Semaphore proofs in a single request. Returns per-proof results with total count and average duration. |