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MARKET MONITOR / CATALOGUE Services 107,112 MCP listed 39,819 x402 67,348 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-26 · 3 sources
Task

Pypi

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Preflight x402 REST usage

Call before installing packages suggested by a language model. Returns, for each npm or PyPI package name, whether it actually exists in the registry, whether it is deprecated or yanked, and — when the name is not found...

preflight402.com Dev & Code 3 calls / 30d checked 2026-10-26
0.05 USDC per call per call

vrsai x402 REST usage

Check an exact npm or PyPI package version immediately before installation using current registry, vulnerability, malicious-package, withdrawal/deprecation, and verified provenance evidence. Returns ALLOW, REVIEW, BLOCK,...

api.vrsai.tech Security 13 calls / 30d checked 2026-10-26
0.01 USDC per call per call

CF Package Check x402 REST checked

Is this WordPress plugin, npm package or PyPI project abandoned? Status, 0-100 abandonment-risk score, months since last update, and the signals behind it.

packages.cfsoft.us Dev & Code 6 calls / 30d checked 2026-10-24
0.02 USDC per call per call checked

Package Registry Info x402 REST usage

Call before adding or upgrading a dependency: package-registry metadata for one package (PyPI or npm): latest version, summary, license, dependency count; PyPI also returns 30-day downloads.

conclavex402p04.pythonanywhere.com Dev & Code 9 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Saylor Innovations Library Docs x402 REST usage

Current library docs for an npm, PyPI, crates, Go or GitHub package - README sections, version, license and install

saylorinnovations.com Dev & Code 9 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Package Registry Info x402 REST usage

Call before adding or upgrading a dependency: package-registry metadata for one package (PyPI or npm): latest version, summary, license, dependency count; PyPI also returns 30-day downloads.

conclavex402.pythonanywhere.com Dev & Code 8 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Saylor Innovations Python Packa x402 REST usage

Python package report for the latest release - compatibility, dependencies, license and PyPI advisories

saylorinnovations.com Other services 6 calls / 30d checked 2026-10-26
0.01 USDC per call per call

dev-package-stats x402 REST usage

Package intelligence across npm / PyPI / crates: latest version, age, release cadence, deprecation/yank, license, and download stats (last day/week/month) with a rising/falling trend. Aggregates the official registry + d...

api.agentstools.dev Dev & Code 8 calls / 30d checked 2026-10-26
0.005 USDC per call per call

NumPy Recent release history x402 REST usage

NumPy Recent release history: Live PyPI recent release history for NumPy. Package name can be overridden.

market.datapackvibe.com Other services 3 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Audit up to 10 dependencies x402 REST usage

Audit up to 10 dependencies. Check up to 10 public dependencies, optionally pinned to exact versions, for advisory IDs, OSV affected/fixed ranges and dated FIRST EPSS CVE estimates. Scoped npm names supported. Detail and...

agent-data-tools.revmesh2074.workers.dev Security 3 calls / 30d checked 2026-10-24
0.01 USDC per call per call checked

PyPI package info x402 REST usage

Latest version, summary, licence, required Python version, home page, release date and number of releases of a Python package on PyPI. Use to check a dependency before installing it.

agent-data-tools.revmesh2074.workers.dev Productivity & Docs 3 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Toolsmith x402 REST usage

Foreign exchange reference rates from the European Central Bank. Base currency plus optional symbols filter. Updated daily on ECB schedule. JSON response. $0.002 USDC per call, pay via x402, no API key.

toolcall.click Crypto & Payments 15 calls / 30d checked 2026-10-26
0.002 USDC per call per call

manifest-audit x402 REST usage

Check Python packages from PyPI before you pip install or bump versions. Send {"packages":["requests==2.25.0","flask>=2.0"]} or {"requirements":"<requirements.txt text>"}, up to 50 packages. Per package: latest release a...

audit.152-53-82-29.sslip.io Security 5 calls / 30d checked 2026-10-26
0.005 USDC per call per call

supremeai x402 REST usage

Check an x402 endpoint BEFORE paying it. Makes one unpaid request (never sends money), decodes the 402 terms, and verifies: the asset is a real USD stablecoin on that network, the price in USD vs your max_price_usd cap (...

agents.supremeai.ca Crypto & Payments 2 calls / 30d checked 2026-10-26
0.01 USDC per call per call

eu-verify x402 REST usage

Latest-release metadata from the official PyPI JSON API (live): version, license, requires_python compatibility, requires_dist dependency specs (max 100), yanked flag, last upload time and project URLs. Query: ?pkg=reque...

data.greeneris.io Databases & Storage 10 calls / 30d checked 2026-10-26
0.002 USDC per call per call

PyPI package info | Vextorium x402 REST usage

Python package profile from PyPI: latest version and date, summary, license, required Python, author, links, dependencies, recent downloads and yanked flag.

api.vextorium.com Productivity & Docs 5 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Forest Packages x402 REST usage

Resolve a public GitHub release into the most plausible downloadable asset for a normalized OS/architecture target, excluding source/signature/checksum files and linking checksum companions when present. Returns ambiguit...

http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run Crypto & Payments 4 calls / 30d checked 2026-10-26
0.003 USDC per call per call

pkg-oracle x402 REST usage

Checks whether an npm, PyPI, or crates.io package is safe to install: confirms it exists, flags malicious or typosquatted/slopsquatted names, checks known CVEs (OSV.dev), and pulls its OpenSSF Scorecard. Returns an ALLOW...

mcp-snowy-dew-9447.fly.dev Security 4 calls / 30d checked 2026-10-26
0.003 USDC per call per call

NPM package info API x402 REST usage

NPM package info API: package registry lookup for npm, PyPI and Cargo with latest version, age, license, deprecation, weekly downloads and OSV vulnerabilities. Dependency check before install.

golf-evm-math.x402-evm-math.workers.dev Security 7 calls / 30d checked 2026-10-26
0.0015 USDC per call per call

Datakoot Package Intel x402 REST usage

Datakoot Package Intel: Search for packages by keyword and get the top matches with descriptions. $0.01 USDC per call, charged only on success.

x402.datakoot.com Search & Research 1 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Package risk check x402 REST usage

Package risk check. Reports package existence, latest version and release, age, version count, npm weekly downloads, licenses, deprecation and known advisory severity. ok means no listed flags, not a safety guarantee. Su...

agent-data-tools.revmesh2074.workers.dev Security 4 calls / 30d checked 2026-10-26
0.002 USDC per call per call

Pypi package x402 REST usage

PyPI package facts: version, license, Python requirement, release date — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Other services 2 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Citiview Agent Market x402 REST usage

Breached password check: is this password in known data breaches, and how often? Send only the SHA-1 hash (never the password); just the first 5 characters reach Have I Been Pwned (k-anonymity). Up to 50 hashes per call.

agents.citiviewgroup.com Security 3 calls / 30d checked 2026-10-26
0.002 USDC per call per call

PyPI Package Info x402 REST usage

A Python package on PyPI: latest version, summary, license, required Python, dependencies, release date, project links and daily/weekly/monthly downloads. Use to choose or audit a Python dependency.

bess-x402.onrender.com Security 2 calls / 30d checked 2026-10-26
0.002 USDC per call per call

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