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MARKET MONITOR / CATALOGUE Services 83,381 MCP listed 39,664 x402 43,726 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-25 · 2 sources
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23 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Lockfile Change Report x402 REST usage

Compare two lockfiles and report what a manifest diff cannot see. Reports newly installed transitive packages, resolved version moves with breaking risk, a registry that changed, and the most serious finding available he...

api.zfinia.com Other services 1 calls / 30d checked 2026-10-25
0.18 USDC per call per call

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 2026-10-25
0.05 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 7 calls / 30d checked 2026-10-25
0.01 USDC per call per call

Saylor Innovations Guide Library x402 REST usage

CUDA, driver and Ollama compatibility - GPU support, model memory fit and proof inference uses the GPU

saylorinnovations.com AI Models & Inference 7 calls / 30d checked 2026-10-25
0.01 USDC per call per call

Workflow Dependency Check x402 REST usage

Check up to 64 workflow steps for duplicate IDs, missing dependencies and cycles. Returns a deterministic topological order only when valid. No scheduling, tool execution, access approval or guarantee that the workflow w...

www.mahastrategies.com Productivity & Docs 2 calls / 30d checked 2026-10-25
0.0275 USDC per call per call

Saylor Innovations Data Desk x402 REST usage

Leading causes of death for any US state or the nation - deaths, share of all deaths and age-adjusted rates for heart disease, cancer, stroke and more

saylorinnovations.com Business & Growth 5 calls / 30d checked 2026-10-25
0.01 USDC per call per call

Saylor Innovations npm Package x402 REST usage

Find up to five npm packages by query - version, description, ranking score and source links

saylorinnovations.com Dev & Code 5 calls / 30d checked 2026-10-25
0.01 USDC per call per call

pkgpulse x402 REST usage

Rank up to 5 alternative npm packages and get a recommendation with the gap quantified: full disclosed-rubric health report per package, close calls flagged as close calls. The 'axios vs got vs undici' decision in one ca...

pkgpulse.letom1176.workers.dev Dev & Code 5 calls / 30d checked 2026-10-25
0.01 USDC per call per call

Saylor Innovations Vulnerability x402 REST usage

CVE details - CVSS, CISA KEV status, EPSS exploit probability, affected packages and patch priority

saylorinnovations.com Security 4 calls / 30d checked 2026-10-25
0.01 USDC per call per call

Saylor Innovations Dependency Se x402 REST usage

Known vulnerabilities for a package version (OSV) - CVE aliases, severity and fixed-in version

saylorinnovations.com Security 4 calls / 30d checked 2026-10-25
0.01 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 2026-10-25
0.01 USDC per call per call

package_versions x402 REST usage

Returns the full version history of a package from a single normalised schema that covers seven ecosystems. Versions are ordered by semantic version, not alphabetically and not in registry order, so 1.10.0 sorts after 1....

paket.halowerk.com Knowledge & Memory 6 calls / 30d checked 2026-10-25
0.003 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 8 calls / 30d checked 2026-10-25
0.002 USDC per call per call

SemVer compare & range check x402 REST usage

Sort Semantic Versioning 2.0 versions (pre-releases included), give highest and lowest, the bump type between two, and which satisfy an npm-style range (^1.2.0, ~1.2, >=1.0 <2.0, 1.x || 2.x) plus the best match.

api.vextorium.com Dev & Code 5 calls / 30d checked 2026-10-25
0.003 USDC per call per call

npm package info | Vextorium x402 REST usage

npm package profile: latest version, description, license, repository, dependencies, unpacked size, weekly and monthly downloads, maintainers and deprecation flag. For dependency choice and audits.

api.vextorium.com Dev & Code 5 calls / 30d checked 2026-10-25
0.003 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 2026-10-25
0.003 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 2026-10-25
0.01 USDC per call per call

ah-package-check x402 REST usage

Given an open-source package (PyPI, npm, Go, Cargo, Maven, NuGet or RubyGems) and optionally a version, returns its known vulnerabilities from OSV.dev (IDs, CVE aliases, severity, fixed-in versions), license, latest vers...

x402.agentharbor.agency Security 3 calls / 30d checked 2026-10-25
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 2026-10-25
0.002 USDC per call per call

Package Vulnerabilities (OSV) x402 REST usage

Known security vulnerabilities for an open-source package from OSV (GitHub advisories, PyPA, RustSec, Go): id, CVE aliases, summary, severity, fixed versions, for all versions or one version. Ecosystems: npm, PyPI, Go, M...

bess-x402.onrender.com Security 2 calls / 30d checked 2026-10-25
0.003 USDC per call per call

npm Package Info x402 REST usage

An npm package's latest version, description, license, repository, dependencies, peer dependencies, TypeScript types, size, publish dates, deprecation and weekly downloads. Use to choose or audit a JavaScript dependency.

bess-x402.onrender.com Dev & Code 2 calls / 30d checked 2026-10-25
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 2026-10-25
0.002 USDC per call per call

PkgGuard by AgentGate x402 REST usage

Package vulnerability lookup API. Is this package version safe to install? Known vulnerabilities (CVE/GHSA ids, severity, CVSS score, fixed-in versions) and malicious-package flags for one npm, PyPI, Go, crates.io, Packa...

api.youraitools.co Security 3 calls / 30d checked 2026-10-25
0.001 USDC per call per call

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