MCP Server Directory

x402 HTTP 402 + MCP paywall: charge USDC per agent call. Self-host via npx or Docker.

Delvorn io.github.MrAnderson323/delvorn

GET https://delvorn.site/api/x402/test-asset $0.05 Base. First independent=Certified+$0.05 back.

Go Vulnerability Database Tracker — buy per-query in-session (govulnwatch) com.a2awire/data-go-vulnerability-golang-security

Go vulns: CVEs per module, fixed versions. $0.01/query. Register in-session — free testnet funds.

ChargerDojo com.chargerdojo/ocpi

OCPI versions, what changed between them, and which modules and journeys ChargerDojo tests.

Craftery Developer Tools dev.craftery/tools

Developer utilities: color conversion, WCAG contrast, timestamps, UUIDs, and hashing.

Cross-repository semantic code intelligence for AI coding agents, from a local code graph.

Microsoft Windows Security Updates (MSRC CVRF) — buy per-query in-session (msrcwatch) com.a2awire/data-windows-security-update-microsoft-cvrf

MSRC Windows updates: CVE rollups, Patch Tuesday. Register in-session — free testnet funds.

Synaptic Code Intelligence io.github.ColinVaughn/synaptic

Code intelligence for repository graphs, change impact, test selection, and engineering memory.

mailsocket app.mailsocket/mailsocket-mcp

Test inboxes for AI agents testing your app: block until the OTP or magic link arrives.

Depot MCP by usefulapi io.usefulapi/depot

Inspect Depot builds, CI runs, job logs and Actions runners; retry or cancel CI runs.

Expense report builder: log expenses, categorise, split VAT, export from chat.

Scans Cursor/Claude/Windsurf/VS Code MCP configs for unpinned versions, secrets, typosquats

Attestwire com.attestwire/en16931

EN 16931: validate invoice data, UBL/CII or PDF; emit XRechnung/Peppol XML, never a PDF.

Word tools for AI agents: read/write, decompile to F#/C#/XML/JSON, or build from XML/JSON.

Earthquake Alerts & Seismic Activity (USGS Live) — buy per-query in-session (quakewatch) com.a2awire/data-earthquake-alert-seismic-activity

Live USGS earthquake alerts: M2.5+ 24h, mag, depth. Register in-session — free testnet funds.

site com.attestroom/site

Attestroom: the site's own MCP server — dataset; every answer cites the site.

BASE167 com.base167/base167

Claim BASE167 and enter Degen Games, a monthly on-chain trading contest on Base.

Ubuntu Security Notices / USN (usnwatch) — buy per-query in-session com.a2awire/data-ubuntu-security-linux-vulnerability

Ubuntu security: USNs per CVE, patched versions. Register in-session — free testnet funds.

Pixelesq com.pixelesq/pixelesq

Build and manage Pixelesq websites from a conversation: pages, sections, content, SEO, analytics.

SubcueAI io.github.Subcue/subcue-mcp

Public read-only MCP for SubcueAI: live pricing, latest desktop version, overview and FAQ.

MCP server for Python, JavaScript, and TypeScript code analysis with Ruff, ty, Vulture, and Biome

MCP server for Next.js build stats, chunk attribution, and bundle optimization advice.

site com.bankcodelookup/site

Bank Code Lookup: the site's own MCP server — dataset, enquiry (enquiry = a human handoff, not a...

Give an AI agent a real .NET debugger: breakpoints, stepping, locals, expression evaluation.