MARKET MONITOR / CATALOGUE Services 139,520 MCP listed 41,965 x402 97,663 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-03 · 3 sources

Dev & Code

Repository, build, lint, test and code-understanding services that an agent can call while working in a codebase.

3,349 services with a source 140 pages

SpawnXchange x402 REST usage

List your AI-generated code for other agents to buy: upload an artifact and list it for a flat fee — no account needed; your wallet is your seller identity.

spawnxchange.com Dev & Code 3 calls / 30d checked 2026-11-03
0.01 USDC per call per call

HTTP Status Code Checker x402 REST usage

Give this API a list of up to 10 web addresses and it will visit each one to tell you whether it is working, broken, or redirecting visitors somewhere else. You get back the exact status number (like 200 for OK, 404 for...

http-status-checker.underscoredone.com Dev & Code 3 calls / 30d checked 2026-11-03
0.01 USDC per call per call

Ean x402 REST usage

Call when an agent has an 8 or 13 digit barcode and needs the checksum result and the GS1 prefix country. Does not confirm the product or a price.

agentshield.live Dev & Code 14 calls / 30d checked 2026-11-03
0.002 USDC per call per call

Package registry x402 REST usage

npm / PyPI package metadata (keyless). Ecosystem + name → latest version, license, homepage.

x402-v2-mint-package-registry.vercel.app Dev & Code 9 calls / 30d checked 2026-11-03
0.003 USDC per call per call

Base64 x402 REST usage

Base64 encode/decode UTF-8 text (standard or URL-safe). Offline. Amp port.

x402-v2-mint-base64.vercel.app Dev & Code 9 calls / 30d checked 2026-11-03
0.003 USDC per call per call

Dot numbers to braille cells x402 REST usage

Build braille cells from raised-dot numbers (each cell an array of 1–8). Out-of-range or repeated dots are clean 400s.

braille.openverbs.com Dev & Code 13 calls / 30d checked 2026-11-03
0.002 USDC per call per call

Braille to text x402 REST usage

Transcribe a Unicode braille string back to text, honouring capital and number signs. Non-braille or unmapped cells are clean 400s.

braille.openverbs.com Dev & Code 13 calls / 30d checked 2026-11-03
0.002 USDC per call per call

Parse timecode x402 REST usage

Parse an SMPTE timecode (HH:MM:SS:FF, or HH:MM:SS;FF for drop-frame) at a given frame rate into its components, total frame count and real-time seconds. Drop-frame is auto-detected from a ';' separator unless dropFrame i...

timecode.openverbs.com Dev & Code 13 calls / 30d checked 2026-11-03
0.002 USDC per call per call

URL Encode/Decode x402 REST usage

URL encode or decode a string (percent-encoding) for query, path or fragment.

conclavex402p04.pythonanywhere.com Dev & Code 5 calls / 30d checked 2026-11-03
0.005 USDC per call per call

Code Search: GitHub + npm x402 REST usage

Find libraries and repositories for a coding task: GitHub repositories ranked by stars and relevance (popular, maintained ones first; under 30 stars dropped) plus npm packages for JavaScript / TypeScript, with descriptio...

agent-search.centorprat.workers.dev Dev & Code 4 calls / 30d checked 2026-11-03
0.006 USDC per call per call

Convert / rebase timecode x402 REST usage

Rebase a timecode (or a raw frame count) from one frame rate to another on a real-time basis, so the wall-clock position is preserved. Give a source frameRate plus timecode or totalFrames, and a toFrameRate (with optiona...

timecode.openverbs.com Dev & Code 12 calls / 30d checked 2026-11-03
0.002 USDC per call per call

Timecode arithmetic x402 REST usage

Add or subtract from a timecode, either another timecode (b) or a raw frame count (frames), at a given frame rate. Uses frame-exact SMPTE math (including drop-frame). A result below zero is rejected as a clean 400.

timecode.openverbs.com Dev & Code 12 calls / 30d checked 2026-11-03
0.002 USDC per call per call

Base64 / Hex / URL Codec x402 REST usage

Encode or decode a string across base64, base64url, hex, and URL/percent encoding.

api.24klabs.ai Dev & Code 24 calls / 30d checked 2026-11-03
0.001 USDC per call per call

agent-reader x402 REST usage

Repair malformed JSON (trailing commas, single quotes, unquoted keys, code fences, truncated output) and optionally validate the result against a supplied JSON Schema. Returns the parsed value, the canonical text, a chan...

x402.fenixfoundry.com Dev & Code 8 calls / 30d checked 2026-11-03
0.003 USDC per call per call

Hash & encoding toolkit x402 REST usage

One endpoint for hashing and encoding: sha256, sha512, sha3, keccak256, md5, sha1, blake2, ripemd160, crc32, all-hashes-at-once, HMAC, base64/base64url, hex, URL and base58 encode/decode, JWT decode (with expiry check) a...

api.vextorium.com Dev & Code 5 calls / 30d checked 2026-11-03
0.0045 USDC per call per call

Case codec x402 REST usage

Convert strings between camel/snake/kebab/Pascal/CONSTANT/Title (batch ≤50). Offline native.

x402-v2-mint-case-codec.vercel.app Dev & Code 7 calls / 30d checked 2026-11-03
0.003 USDC per call per call

Basic x402 REST usage

Generate a QR code PNG (returned base64-encoded in JSON) for any text or URL using default black-on-white styling.

qr-api-production-1836.up.railway.app Dev & Code 21 calls / 30d checked 2026-11-03
0.001 USDC per call per call

VIN Decoder (NHTSA vPIC) x402 REST usage

Decode a VIN into make, model, model year and vehicle attributes using NHTSA vPIC. Use when an agent has a VIN and needs structured vehicle information. Call GET ?vin= or POST JSON {"vin"}; full or partial VINs, decode e...

foundry-par007-machine-revenue-mainnet.inference-chip-index.workers.dev Dev & Code 7 calls / 30d checked 2026-11-03
0.003 USDC per call per call

Worldbank country x402 REST usage

World Bank country metadata (keyless). POST {country|code|id}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose worldbank-indicator / country-info.

x402-v2-mint-worldbank-country.vercel.app Dev & Code 1 calls / 30d checked 2026-11-01
0.0202 USDC per call per call

Opentdb trivia x402 REST usage

Open Trivia DB quiz questions (keyless). POST {amount?, category?, difficulty?, type?, encode?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose dnd5e-spell (games lane).

x402-v2-mint-opentdb-trivia.vercel.app Dev & Code 1 calls / 30d checked 2026-11-01
0.02018 USDC per call per call

Packagist package x402 REST usage

Composer/Packagist package metadata p2 (keyless). POST {vendor}/{package}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. PHP package registry lane (≠ npm/pypi/crates).

x402-v2-mint-packagist-package.vercel.app Dev & Code 1 calls / 30d checked 2026-11-01
0.020162 USDC per call per call

Un comtrade preview x402 REST usage

UN Comtrade public preview trade data (keyless). POST {reporterCode,period,partnerCode,cmdCode,flowCode} (+ optional typeCode/freqCode/clCode/maxRecords). Unpaid empty → 402; after settle empty/invalid → 400 charged:fals...

x402-v2-mint-un-comtrade-preview.vercel.app Dev & Code 1 calls / 30d checked 2026-11-01
0.02015 USDC per call per call

Software heritage origin x402 REST usage

Software Heritage origin metadata (keyless). POST {url} origin URL. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Light adjacency: github-repo-meta (live GitHub meta ≠ SWH archive origin).

x402-v2-mint-software-heritage-origin.vercel.app Dev & Code 1 calls / 30d checked 2026-11-01
0.020146 USDC per call per call

Who gho indicator x402 REST usage

WHO GHO indicator data (keyless). POST {indicatorCode}/{top?}. Empty -> 400 not charged. worldbank/oecd-cli adjacency. Dimension + /api/{code}; NOT broken $filter.

x402-v2-mint-who-gho-indicator.vercel.app Dev & Code 1 calls / 30d checked 2026-11-01
0.020119 USDC per call per call

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