MARKET MONITOR / CATALOGUE Services 140,253 MCP listed 42,285 x402 98,081 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-04 · 3 sources

Dev & Code

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

3,357 services with a source 140 pages

CSV to Markdown table x402 REST usage

Convert CSV into a GitHub-flavored Markdown table (first row is the header).

agent402.tools Dev & Code 10 calls / 30d checked 2026-11-04
0.002 USDC per call per call

Perp dexs (HIP-3 x402 REST checked

Every builder-deployed perpetuals dex on Hyperliquid (HIP-3): dex name, full name, deployer, oracle updater and fee recipient, how many markets it lists (active vs delisted, so a wound-down dex reads as one), how many as...

agent402.tools Dev & Code 10 calls / 30d checked 2026-10-24
0.002 USDC per call per call checked

Gtin x402 REST usage

GTIN / EAN / UPC barcode check-digit validation (GS1 mod-10) for GTIN-8/12/13/14 with type identification.

api.aventtech.com Dev & Code 2 calls / 30d checked 2026-11-04
0.01 USDC per call per call

btc-tx x402 REST usage

Decoded Bitcoin transaction by txid: inputs and outputs, fee, size, weight and virtual size, replace-by-fee flag, and confirmation status with a confirmation count. Informational, not advice.

api.agentstools.dev Dev & Code 2 calls / 30d checked 2026-11-04
0.01 USDC per call per call

laborwage-occupations x402 REST usage

Resolve an occupation title to ranked SOC candidates, each with the SOC code, official title and a match score. The cheap first step before a prevailing-wage determination when only a job title is known.

api.agentstools.dev Dev & Code 4 calls / 30d checked 2026-11-04
0.005 USDC per call per call

orphan-patch-score x402 REST usage

Ranks packages with disclosed advisories, silent maintainers, and many dependents as orphan-patch candidates, deterministically, from public inputs alone.

market.561.group Dev & Code 1 calls / 30d checked 2026-11-01
0.02 USDC per call per call

AISkills402: Code Review x402 REST usage

Code Review — Reviews a code change (a diff or a changed file pasted as text) and reports real problems ranked by severity — correctness bugs, security holes, data loss, missing error handling, edge cases, resource leaks...

api.aiskills402.com Dev & Code 2 calls / 30d checked 2026-11-04
0.01 USDC per call per call

Base58 Encode/Decode x402 REST usage

Base58 encode or decode bytes/hex (Solana-style base58).

conclavex402p04.pythonanywhere.com Dev & Code 4 calls / 30d checked 2026-11-04
0.005 USDC per call per call

Base64 Encode/Decode x402 REST usage

Base64 encode or decode a string — base64 encoder/decoder (body {mode:encode|decode,input}).

conclavex402p04.pythonanywhere.com Dev & Code 4 calls / 30d checked 2026-11-04
0.005 USDC per call per call

Hex Encode/Decode x402 REST usage

Hex encode or decode text — hex string encoder/decoder.

conclavex402p04.pythonanywhere.com Dev & Code 4 calls / 30d checked 2026-11-04
0.005 USDC per call per call

JWT Decoder x402 REST usage

Decode a JWT — parse header and payload claims without a key (no signature verification).

conclavex402p04.pythonanywhere.com Dev & Code 4 calls / 30d checked 2026-11-04
0.005 USDC per call per call

Language Detection x402 REST usage

Detect the language of a text (80+ languages) with ISO 639-1 and 639-3 codes, confidence, a reliability flag and the top candidates. Runs locally, nothing is stored. Params: text (required, up to 20,000 characters), top...

agentsvc.io Dev & Code 8 calls / 30d checked 2026-11-04
0.0025 USDC per call per call

Dependency Upgrade Plan x402 REST usage

Dependency upgrade plan for up to 5 npm or PyPI packages in one call (e.g. react, react-dom and next together): for each package the breaking changes between your version and the target, major bumps, Node.js or Python an...

upgrade-brief.shopttyass-85f.workers.dev Dev & Code 1 calls / 30d checked 2026-11-04
0.02 USDC per call per call

NutriPulse x402 REST usage

Ultra-processed food check for one real product — scan a barcode (EAN/UPC) and get the NOVA processing group, Nutri-Score, full additive census with flagged-additive notes (EU-banned dyes, IARC-listed sweeteners, nitrite...

nutripulse.theaslangroupllc.com Dev & Code 1 calls / 30d checked 2026-11-04
0.02 USDC per call per call

Qonoro NAICS Classifier x402 REST usage

Classify a company to its NAICS 2022 code and SIC code. Input: company name, optional website, optional description. Output: NAICS code, title, sector, SIC code, confidence score. Deterministic, sub-second. x402-native.

api.qonoro.ai Dev & Code 1 calls / 30d checked 2026-11-04
0.02 USDC per call per call

Url x402 REST usage

URL encoder/decoder, percent encoding, RFC 3986, query string escape, form data, encodeURIComponent, decodeURIComponent. Safely escape URLs for HTTP. Accepts payment on Base or Solana — either network works.

api.x402node.dev Dev & Code 9 calls / 30d checked 2026-11-04
0.0022 USDC per call per call

BIC/SWIFT check x402 REST usage

BIC/SWIFT code validation and parsing: bank, country, location and branch codes, test-code flag.

api.vextorium.com Dev & Code 6 calls / 30d checked 2026-11-04
0.003 USDC per call per call

JWT decode & verify x402 REST usage

Decode a JWT and verify its signature with the public keys of a JWKS URL (RS256, ES256, EdDSA...) or an HMAC secret, checking expiry, audience and issuer; returns header, claims and the exact reason if invalid. Tokens ar...

api.vextorium.com Dev & Code 6 calls / 30d checked 2026-11-04
0.003 USDC per call per call

Reference Data API x402 REST usage

Decodes a 17-character vehicle identification number (NHTSA vPIC): make, model, year, trim, body, engine, fuel, drive, plant, and validates the check digit.

reference-data-api.onrender.com Dev & Code 1 calls / 30d checked 2026-11-04
0.018 USDC per call per call

Github repo meta x402 REST usage

GitHub repo metadata (keyless, User-Agent required). owner/repo → stars/forks/language/license. Soft-fail 403 rate.

x402-v2-mint-github-repo-meta.vercel.app Dev & Code 6 calls / 30d checked 2026-11-04
0.003 USDC per call per call

Decode transaction event logs x402 REST usage

Decode a transaction: send ?chain=base|arc&tx=0x... and get its event logs decoded (every ERC-20 and NFT transfer typed, with from, to and amount), the function called, success or failure, gas in USD and one plain-Englis...

apexfaucet.xyz Dev & Code 6 calls / 30d checked 2026-11-04
0.003 USDC per call per call

Code Sandbox x402 REST usage

Run code in an isolated cloud sandbox and get its output — agents can't self-host this. POST {code, language?}. language: python (default), javascript, bash, r, java. Returns stdout, stderr, results, error. Hard-capped:...

x402.shizu.me Dev & Code 1 calls / 30d checked 2026-11-04
0.018 USDC per call per call

Decode Morse code x402 REST usage

Decode international Morse code back into text. Letters are separated by whitespace and words by "/". Unknown Morse sequences are clean 400s.

nato.openverbs.com Dev & Code 9 calls / 30d checked 2026-11-04
0.002 USDC per call per call

OpenAPI agent-readiness lint x402 REST checked

Score an OpenAPI 3.x or Swagger 2.x spec on agent-readiness - i.e. does an LLM-driven caller have what it needs to call the API correctly without guessing. Returns a 0..100 score, severity counts, and a structured list o...

agent402.tools Dev & Code 9 calls / 30d checked 2026-11-02
0.002 USDC per call per call checked

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