Blixtworks
63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402.
| Endpoint | https://www.blixtworks.com/mcp (streamable-http) |
|---|---|
| Registry version | 1.1.0 |
| Now | 68 tools · grade C (65) · pin ts_421ec7f2af25a3b2004cc0028c93b954 · protocol 2025-06-18 |
| First / last listed | 2026-10-26 06:48 UTC / 2026-10-26 06:48 UTC |
| Grade over time | 2026-10-26: C (65), 68 tools |
Is this your server? Own a server? ToolFit hosted watch re-checks it every 24 h ($0.25 per 30 days) or 6 h ($0.60) and sends you an HMAC-signed webhook when its tools or grade change: POST https://api.youraitools.co/toolfit/v1/watch. To opt out, see About & opt-out.
Tools: list_tools try_sample how_to_pay check_credit redeem_payment categorize caption ocr embed hash hmac uuid base64 slugify case_convert text_stats regex diff language_detect word_frequency lorem json_format json_query json_to_csv csv_to_json yaml_convert xml_to_json markdown_to_html jwt_decode rss_parse sitemap_parse pdf http_headers url_expand ssl_check whois robots_check metadata ip_lookup email_validate md dns unit_convert number_base color_convert timestamp date_diff cron_parse distance currency_convert luhn_validate phone_parse iban_validate percentage image_info image_resize image_palette image_crop image_transform image_placeholder qr exif wallet_balance token_info gas_price address_validate ens_resolve tx_lookup
list_tools | Free: every Blixtworks tool with price, inputs and description (63 tools). Optionally filter by group. params: group |
try_sample | Free: runs the real CLIP model on a sample image so you can judge output quality before paying. params: none |
how_to_pay | Free: exact payment steps, the receiving address, and how credit works. params: tool |
check_credit | Free: how much unspent credit a wallet address currently has with this endpoint. params: address* |
redeem_payment | Turn a USDC payment you already made into credit you can spend across multiple tool calls. Pass the transaction hash. params: paymentTx* |
categorize | Zero-shot image categorization (CLIP). POST {"image": "<https url or data URI>", "labels": ["optional", "custom"]} -> ranked labels with confidence scores. Costs $0.02 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, image, labels |
caption | Image captioning. POST {"image": "<https url or data URI>"} -> one-sentence natural-language description. Costs $0.02 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, image |
ocr | OCR (English). POST {"image": "<https url or data URI>"} -> extracted text with confidence score. Costs $0.03 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, image |
embed | CLIP image embedding. POST {"image": "<https url or data URI>"} -> 512-dim vector for similarity search. Costs $0.015 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, image |
hash | Cryptographic hashes. POST {"text": "...", "algorithms": ["sha256","md5"]} -> hex digests (default md5, sha1, sha256, sha512). Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, text, algorithms |
hmac | HMAC signature. POST {"text": "...", "key": "...", "algorithm": "sha256"} -> hex and base64 signature. Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, text, key, algorithm |
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 how_to_pay for details). params: paymentTx, payerAddress, count |
base64 | Base64 encode or decode. POST {"text": "...", "mode": "encode"|"decode", "urlSafe": false} -> result. Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, text, mode |
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 (call how_to_pay for details). params: paymentTx, payerAddress, text |
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 paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, text, to |
text_stats | Text statistics. POST {"text": "..."} -> characters, words, sentences, paragraphs, reading time, top words. Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, text |
regex | Test a regular expression and extract matches. POST {"text": "...", "pattern": "\\d+", "flags": "g"} -> matches with groups and indices. Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, text, pattern, flags |
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 paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, a, b |
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 how_to_pay for details). params: paymentTx, payerAddress, text |
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 paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, text, ngram, limit |
lorem | Generate placeholder text. POST {"paragraphs": 2, "wordsPerParagraph": 40} -> lorem ipsum text. Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, paragraphs |
json_format | Format, minify or validate JSON. POST {"json": "...", "mode": "pretty"|"minify"|"validate", "indent": 2} -> formatted output or validation error with position. Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, json, mode |
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 USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, json, path |
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 pay (call how_to_pay for details). params: paymentTx, payerAddress, json |
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 — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, csv |
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 pay (call how_to_pay for details). params: paymentTx, payerAddress, text, to |
xml_to_json | Convert XML to JSON. POST {"xml": "<root>...</root>"} -> parsed object. Costs $0.01 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, xml |
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 details). params: paymentTx, payerAddress, markdown |
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 paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, token |
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 paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, url |
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 — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, url |
pdf | PDF text extraction. POST {"pdf": "<https url or data:application/pdf base64 URI>"} -> plain text, page count and metadata. Costs $0.03 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, pdf |
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 — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, url |
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 paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, url |
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 — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, domain |
whois | Domain registration data via RDAP. POST {"domain": "example.com"} -> registrar, creation/expiry dates, nameservers, status. Costs $0.02 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, domain |
robots_check | Fetch and interpret robots.txt. POST {"url": "https://example.com", "userAgent": "GPTBot", "path": "/"} -> whether crawling is allowed, plus sitemaps. Costs $0.01 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, url, userAgent |
metadata | Extract page metadata: title, description, Open Graph, Twitter card, canonical, favicon, language. POST {"url": "https://..."}. Costs $0.02 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, url |
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 payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, host |
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 — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, email |
md | HTML to Markdown. POST {"url": "<https url>"} or {"html": "<raw html>"} (+ optional "mode": "article"|"full", default article) -> clean LLM-ready markdown with title/byline. Costs $0.02 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, url, mode |
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 paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, domain, type |
unit_convert | Convert between units. POST {"value": 5, "from": "km", "to": "mi"} -> converted value. Supports length, mass, volume, time, area, speed, data, pressure, energy and temperature (c/f/k). Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, value, from, to |
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 payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, value, from, to |
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 or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, color |
timestamp | Convert timestamps and dates. POST {"value": 1735689600, "timezone": "Europe/Stockholm"} or {"value": "2026-01-01T00:00:00Z"} -> unix seconds/ms, ISO, and formatted local time. Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, value, timezone |
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 — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, from, to |
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 paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, expression, count |
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 $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, from, to |
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 $0.02 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, amount, from, to |
luhn_validate | Validate an identifier with the Luhn checksum (credit cards, IMEI, Swedish personnummer). POST {"number": "4111111111111111"} -> validity and detected card scheme. Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, number |
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 USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, phone |
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 to pay (call how_to_pay for details). params: paymentTx, payerAddress, iban |
percentage | Percentage maths. POST {"mode": "change"|"of"|"increase"|"decrease", "a": 120, "b": 150} -> result with explanation. Costs $0.005 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, mode, a, b |
image_info | Image dimensions and properties without any ML. POST {"image": "https://..."} -> width, height, aspect ratio, format, file size, transparency. Costs $0.01 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, image |
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 $0.02 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, image, width |
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 Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, image, colors |
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 paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, image, x, y, width, height |
image_transform | Rotate, flip or apply filters to an image. POST {"image": "...", "rotate": 90, "flip": "horizontal", "filter": "greyscale"|"sepia"|"invert"|"blur"} -> transformed image. Costs $0.02 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, image, filter |
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 on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, width, height, color |
qr | QR code generation. POST {"text": "<content>", "format": "svg"|"png"} -> QR code as an SVG string or PNG data URI. Costs $0.01 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, text, format |
exif | EXIF metadata extraction. POST {"image": "<https url or data:image URI>"} -> camera, timestamps, GPS and other metadata. Costs $0.01 in USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, image |
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 USDC on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, address, chain |
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 payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, token, chain |
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 — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, chain |
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 on Base — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, address, chain |
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 — pass paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, name |
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 paymentTx or payerAddress to pay (call how_to_pay for details). params: paymentTx, payerAddress, hash, chain |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.