# Blixtworks > Blixtworks, an MCP server by www.blixtworks.com, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. 63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402. - Canonical: https://www.anchorterminal.com/tools/blixtworks-tools - Markdown: https://www.anchorterminal.com/tools/blixtworks-tools.md (~3,950 tokens) - Slim: https://www.anchorterminal.com/tools/blixtworks-tools.min.md (~3,880 tokens, same facts, less prose, for token-sensitive contexts) - JSON: https://www.anchorterminal.com/tools/blixtworks-tools.json (this page as data, same URL with Accept: application/json) - Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt) - API: https://www.anchorterminal.com/api/v1/index.json - Updated: 2026-10-05 # Blixtworks > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by www.blixtworks.com (https://www.blixtworks.com) - Category: Payment & monetisation platforms (https://www.anchorterminal.com/categories/payment-platforms.md) - Listed because: It's published in the registry under www.blixtworks.com, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: 63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402. ## Facts - MCP registry: `com.blixtworks.www/tools` 1.1.0 - Endpoint: https://www.blixtworks.com/mcp (streamable HTTP) - Package: npm `blixtworks-mcp` (stdio) - Source: https://github.com/Eggis70/img-categorize - Website: https://www.blixtworks.com - npm downloads a week: 53 - GitHub stars: 0 - Registry entry updated: 2026-07-31 ## Tools - Tools it lists (68, about 12,150 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-04 22:22 UTC): - `list_tools`: Free: every Blixtworks tool with price, inputs and description (63 tools). Optionally filter by group. - `try_sample`: Free: runs the real CLIP model on a sample image so you can judge output quality before paying. - `how_to_pay`: Free: exact payment steps, the receiving address, and how credit works. - `check_credit`: Free: how much unspent credit a wallet address currently has with this endpoint. - `redeem_payment`: Turn a USDC payment you already made into credit you can spend across multiple tool calls. Pass the transaction hash. - `categorize`: Zero-shot image categorization (CLIP). POST {"image": "", "labels": ["optional", "custom"]} -> ranked labels with confidence scores.… - `caption`: Image captioning. POST {"image": ""} -> one-sentence natural-language description. Costs $0.02 in USDC on Base — pass paymentTx or… - `ocr`: OCR (English). POST {"image": ""} -> extracted text with confidence score. Costs $0.03 in USDC on Base — pass paymentTx or payerAddress… - `embed`: CLIP image embedding. POST {"image": ""} -> 512-dim vector for similarity search. Costs $0.015 in USDC on Base — pass paymentTx or… - `hash`: Cryptographic hashes. POST {"text": "...", "algorithms": ["sha256","md5"]} -> hex digests (default md5, sha1, sha256, sha512). Costs $0.005 in USDC on Base —… - `hmac`: HMAC signature. POST {"text": "...", "key": "...", "algorithm": "sha256"} -> hex and base64 signature. Costs $0.005 in USDC on Base — pass paymentTx or… - `uuid`: Generate UUIDs. POST {"count": 5, "version": "v4"} -> list of UUIDs (max 100). Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call… - `base64`: Base64 encode or decode. POST {"text": "...", "mode": "encode"|"decode", "urlSafe": false} -> result. Costs $0.005 in USDC on Base — pass paymentTx or… - `slugify`: URL-safe slug from any text. POST {"text": "Hällö Wörld!"} -> {"slug": "hallo-world"}. Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay… - `case_convert`: Convert text case. POST {"text": "...", "to": "camel"|"snake"|"kebab"|"pascal"|"upper"|"lower"|"title"} -> converted text. Costs $0.005 in USDC on Base — pass… - `text_stats`: Text statistics. POST {"text": "..."} -> characters, words, sentences, paragraphs, reading time, top words. Costs $0.005 in USDC on Base — pass paymentTx or… - `regex`: Test a regular expression and extract matches. POST {"text": "...", "pattern": "\\d+", "flags": "g"} -> matches with groups and indices. Costs $0.005 in USDC… - `diff`: Compare two texts. POST {"a": "...", "b": "...", "mode": "lines"|"words"|"chars"} -> unified diff plus added/removed counts. Costs $0.01 in USDC on Base — pass… - `language_detect`: Detect the language of a text. POST {"text": "..."} -> ISO 639-3 code and name. Costs $0.01 in USDC on Base — pass paymentTx or payerAddress to pay (call… - `word_frequency`: Word and n-gram frequency analysis. POST {"text": "...", "ngram": 1, "limit": 20, "stopwords": true} -> ranked terms. Costs $0.01 in USDC on Base — pass… - `lorem`: Generate placeholder text. POST {"paragraphs": 2, "wordsPerParagraph": 40} -> lorem ipsum text. Costs $0.005 in USDC on Base — pass paymentTx or payerAddress… - `json_format`: Format, minify or validate JSON. POST {"json": "...", "mode": "pretty"|"minify"|"validate", "indent": 2} -> formatted output or validation error with position.… - `json_query`: Query JSON with a dot/bracket path. POST {"json": "...", "path": "users[0].name"} -> the value at that path. Supports [*] to map over arrays. Costs $0.01 in… - `json_to_csv`: Convert a JSON array of objects to CSV. POST {"json": "[{...}]", "delimiter": ","} -> CSV text. Costs $0.01 in USDC on Base — pass paymentTx or payerAddress to… - `csv_to_json`: Convert CSV to JSON. POST {"csv": "...", "header": true, "delimiter": ","} -> array of objects (or arrays when header is false). Costs $0.01 in USDC on Base —… - `yaml_convert`: Convert between YAML and JSON. POST {"text": "...", "to": "json"|"yaml"} -> converted document. Costs $0.01 in USDC on Base — pass paymentTx or payerAddress to… - `xml_to_json`: Convert XML to JSON. POST {"xml": "..."} -> parsed object. Costs $0.01 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay… - `markdown_to_html`: Render Markdown to HTML. POST {"markdown": "# Title"} -> HTML string. Costs $0.01 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for… - `jwt_decode`: Decode a JWT without verifying it. POST {"token": "eyJ..."} -> header, payload, expiry status. Signature is NOT verified. Costs $0.01 in USDC on Base — pass… - `rss_parse`: Parse an RSS or Atom feed. POST {"url": "https://..."} or {"xml": "..."} -> feed title and items with links and dates. Costs $0.02 in USDC on Base — pass… - `sitemap_parse`: Parse a sitemap.xml (including sitemap indexes). POST {"url": "https://example.com/sitemap.xml"} -> URLs with last-modified dates. Costs $0.02 in USDC on Base… - `pdf`: PDF text extraction. POST {"pdf": ""} -> plain text, page count and metadata. Costs $0.03 in USDC on Base — pass… - `http_headers`: Inspect HTTP response headers for a URL. POST {"url": "https://...", "method": "HEAD"} -> status, headers, timing, redirect chain. Costs $0.01 in USDC on Base… - `url_expand`: Expand a shortened URL by following redirects. POST {"url": "https://bit.ly/x"} -> final destination and hop chain. Costs $0.01 in USDC on Base — pass… - `ssl_check`: Inspect a TLS certificate. POST {"domain": "example.com", "port": 443} -> issuer, subject, validity dates, days until expiry. Costs $0.02 in USDC on Base —… - `whois`: Domain registration data via RDAP. POST {"domain": "example.com"} -> registrar, creation/expiry dates, nameservers, status. Costs $0.02 in USDC on Base — pass… - `robots_check`: Fetch and interpret robots.txt. POST {"url": "https://example.com", "userAgent": "GPTBot", "path": "/"} -> whether crawling is allowed, plus sitemaps. Costs… - `metadata`: Extract page metadata: title, description, Open Graph, Twitter card, canonical, favicon, language. POST {"url": "https://..."}. Costs $0.02 in USDC on Base —… - `ip_lookup`: Resolve a hostname to IPs and reverse-resolve. POST {"host": "example.com"} -> A/AAAA records and PTR names. Costs $0.01 in USDC on Base — pass paymentTx or… - `email_validate`: Validate an email address: syntax plus live MX record check on the domain. POST {"email": "a@b.com"} -> deliverability signals. Costs $0.01 in USDC on Base —… - `md`: HTML to Markdown. POST {"url": ""} or {"html": ""} (+ optional "mode": "article"|"full", default article) -> clean LLM-ready markdown with… - `dns`: DNS lookup. POST {"domain": "example.com", "type": "A"|"AAAA"|"MX"|"TXT"|"NS"|"CNAME"|"SOA"|"all"} -> resolved records. Costs $0.01 in USDC on Base — pass… - `unit_convert`: Convert between units. POST {"value": 5, "from": "km", "to": "mi"} -> converted value. Supports length, mass, volume, time, area, speed, data, pressure, energy… - `number_base`: Convert a number between bases. POST {"value": "255", "from": 10, "to": 16} -> converted string (bases 2-36). Costs $0.005 in USDC on Base — pass paymentTx or… - `color_convert`: Convert colours between hex, RGB and HSL. POST {"color": "#2563eb"} -> hex, rgb, hsl and luminance/contrast info. Costs $0.005 in USDC on Base — pass paymentTx… - `timestamp`: Convert timestamps and dates. POST {"value": 1735689600, "timezone": "Europe/Stockholm"} or {"value": "2026-01-01T00:00:00Z"} -> unix seconds/ms, ISO, and… - `date_diff`: Difference between two dates. POST {"from": "2026-01-01", "to": "2026-12-25"} -> days, hours, business days and a human summary. Costs $0.005 in USDC on Base —… - `cron_parse`: Explain a cron expression and list upcoming run times. POST {"expression": "0 9 * * 1-5", "count": 5, "timezone": "UTC"}. Costs $0.01 in USDC on Base — pass… - `distance`: Great-circle distance between two coordinates. POST {"from": {"lat": 59.33, "lon": 18.07}, "to": {"lat": 51.51, "lon": -0.13}} -> km, miles and bearing. Costs… - `currency_convert`: Convert currency at current or historical reference rates (ECB via Frankfurter). POST {"amount": 100, "from": "EUR", "to": "SEK", "date": "2026-01-15"}. Costs… - `luhn_validate`: Validate an identifier with the Luhn checksum (credit cards, IMEI, Swedish personnummer). POST {"number": "4111111111111111"} -> validity and detected card… - `phone_parse`: Parse and validate a phone number. POST {"phone": "+46701234567", "country": "SE"} -> validity, type, and E.164/national/international formats. Costs $0.01 in… - `iban_validate`: Validate an IBAN (checksum and country length). POST {"iban": "SE45 5000 0000 0583 9825 7466"}. Costs $0.005 in USDC on Base — pass paymentTx or payerAddress… - `percentage`: Percentage maths. POST {"mode": "change"|"of"|"increase"|"decrease", "a": 120, "b": 150} -> result with explanation. Costs $0.005 in USDC on Base — pass… - `image_info`: Image dimensions and properties without any ML. POST {"image": "https://..."} -> width, height, aspect ratio, format, file size, transparency. Costs $0.01 in… - `image_resize`: Resize or convert an image. POST {"image": "https://...", "width": 800, "height": null, "format": "jpeg"|"png", "quality": 80} -> data URI of the result. Costs… - `image_palette`: Extract the dominant colour palette from an image. POST {"image": "https://...", "colors": 5} -> hex colours with share percentages. Costs $0.015 in USDC on… - `image_crop`: Crop an image. POST {"image": "https://...", "x": 0, "y": 0, "width": 200, "height": 200} -> cropped image as a data URI. Costs $0.02 in USDC on Base — pass… - `image_transform`: Rotate, flip or apply filters to an image. POST {"image": "...", "rotate": 90, "flip": "horizontal", "filter": "greyscale"|"sepia"|"invert"|"blur"} ->… - `image_placeholder`: Generate a solid or gradient placeholder image. POST {"width": 600, "height": 400, "color": "#2563eb", "text": "optional"} -> PNG data URI. Costs $0.01 in USDC… - `qr`: QR code generation. POST {"text": "", "format": "svg"|"png"} -> QR code as an SVG string or PNG data URI. Costs $0.01 in USDC on Base — pass paymentTx… - `exif`: EXIF metadata extraction. POST {"image": ""} -> camera, timestamps, GPS and other metadata. Costs $0.01 in USDC on Base — pass… - `wallet_balance`: Native and USDC balance for an address. POST {"address": "0x...", "chain": "base"|"ethereum"} -> balances, transaction count and explorer link. Costs $0.015 in… - `token_info`: ERC-20 token metadata. POST {"token": "0x...", "chain": "base"} -> name, symbol, decimals, total supply. Costs $0.015 in USDC on Base — pass paymentTx or… - `gas_price`: Current gas price and what a transfer costs. POST {"chain": "base"|"ethereum"} -> gwei, block number and estimated transfer cost. Costs $0.01 in USDC on Base —… - `address_validate`: Validate an EVM address and detect whether it is a contract. POST {"address": "0x...", "chain": "base"} -> checksum form and account type. Costs $0.005 in USDC… - `ens_resolve`: Resolve an ENS name to an address, or an address to its primary ENS name. POST {"name": "vitalik.eth"} or {"address": "0x..."}. Costs $0.015 in USDC on Base —… - `tx_lookup`: Look up a transaction by hash. POST {"hash": "0x...", "chain": "base"} -> status, value, gas used, from/to and block. Costs $0.02 in USDC on Base — pass… - How its tools read to an agent (0 errors, 132 warnings, 1 note, about 12,150 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score): - warn TC11 address_validate: 2 parameters without a description: address, chain - warn TC11 base64: 2 parameters without a description: mode, text - warn TC11 caption: 1 parameter without a description: image - warn TC11 case_convert: 2 parameters without a description: text, to - warn TC11 categorize: 2 parameters without a description: image, labels - warn TC11 color_convert: 1 parameter without a description: color - warn TC11 cron_parse: 2 parameters without a description: count, expression - warn TC11 csv_to_json: 1 parameter without a description: csv - warn TC11 currency_convert: 3 parameters without a description: amount, from, to - warn TC11 date_diff: 2 parameters without a description: from, to - warn TC11 diff: 2 parameters without a description: a, b - warn TC11 distance: 2 parameters without a description: from, to - warn TC11 dns: 2 parameters without a description: domain, type - warn TC11 email_validate: 1 parameter without a description: email - warn TC11 embed: 1 parameter without a description: image - warn TC11 ens_resolve: 1 parameter without a description: name - warn TC11 exif: 1 parameter without a description: image - warn TC11 gas_price: 1 parameter without a description: chain - warn TC11 hash: 2 parameters without a description: algorithms, text - warn TC11 hmac: 3 parameters without a description: algorithm, key, text - warn TC11 http_headers: 1 parameter without a description: url - warn TC11 iban_validate: 1 parameter without a description: iban - warn TC11 image_crop: 5 parameters without a description: height, image, width, x, y - warn TC11 image_info: 1 parameter without a description: image - JSON: https://www.anchorterminal.com/api/v1/tools/blixtworks-tools.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming