MCP Server Directory

Query Readwise (token; set READWISE_TOKEN, Token header): auth check, books, highlights.

Query the Etherscan v2 API: ETH balance, transactions, ERC-20 transfers.

Query the eBay Browse API (OAuth user token; set EBAY_OAUTH_TOKEN, Bearer): item search, item.

CollectSEA io.github.kelvin-ling/collectsea

Find real software, security and AI-agent failures that resemble your design, with safeguards.

Snapstay ai.snapstay/mcp

Connect AI assistants to hotel reservations, availability, rates, guests, and analytics with OAuth.

Local-first static repository security and configuration drift auditor (CLI, GitHub Action & MCP).

CanIShop — Agent checkout reviews io.github.alfongj-com/canishop-agent-checkout

Checkout reviews via OAuth or agent API keys: bot blocks, payment methods, outcomes and effort.

Domain Lab app.domainlab/domain-lab

Track domain expiry, DNS, SSL and email security across registrars, and explain what changed.

Superflag io.github.happycatlabs/superflag

Read your Superflag apps, feature flags, and change history through an authenticated MCP endpoint.

XRPL Token Guard io.github.Riehnbean/xrpl-token-guard

Read-only XRP Ledger token-risk, issuer-authenticity and wallet-security checks.

CodeAtlas br.com.codeatlas/mcp

Read-only CodeAtlas service catalog: list, get and search services. No authentication.

x402 DNS Email Auth Checker dev.workers.microtools-x402.x402-dns-auth-checker/dns-auth-checker

Audit SPF, DKIM, DMARC, MX, BIMI, MTA-STS for a domain; score + grade. $0.003 USDC/call via x402.

Server and secret guardrails com.testedtemplates/ops-guardrails

Local checks for sudo, systemd, sshd, ufw, and secret leaks before an agent applies them.

Inttegro com.inttegro/mcp

Operate an Inttegro merchant account with authenticated commerce tools and confirmed actions.

CodexGuild com.codexguild/codexguild

What changed in your stack since the model's cutoff, error fixes, and security-scanned skills/MCPs

Run scoped, authorized Sn1per pentest, recon and attack surface scans from AI agents; read findings.

Prompt Injection Scanner app.openkrill/injection-scan

Check text before your agent reads it: hidden instructions, invisible text and links that leak data.

arxiv-digest-mcp io.github.robertoyanguas-ops/arxiv-digest-mcp

Queries ArXiv for AI/CS/math papers and returns structured abstracts, authors, PDF links, and BibT

Evolize com.evolize/accessibility-scanner

Accessibility scans with evidence, public reports, and fresh checks after fixes.

Pixolm io.github.ISheepp/pixolm

Generate and edit images, check credits, and manage Pixolm tasks and assets with OAuth.

Local Cicadas MCP for models, quotes and status. Authenticated API flows not yet verified.

featurevote app.featurevote/featurevote

Read requests and votes; with write access, manage feedback and draft changelogs. OAuth required.

snapWONDERS Vaultify com.snapwonders/mcp

Hosted snapWONDERS MCP: hide files in images, reveal hidden content, analyse media, convert formats

Verified records on 60 niche fashion subcultures for AI agents, $0.01 per lookup over x402