MCP Server Directory

Deterministic policy firewall for AI agent tool calls - YAML rules, not a fuzzy risk score.

Cybercentry Verification uk.co.cybercentry/verification

Twelve tools: token, wallet, contract and site security. Two free, the rest $1 in USDC over x402.

Agent-first trading on the ZXOAR launchpad (Uniswap V4): scan, vet, guarded buy/sell, atomic launch

Agent Observatory Digital Twin com.virus-alert/agent-observatory

Public MCP digital twin with synthetic systems and an agent firewall. No customer data.

regfish com.regfish/mcp

Domains, DNS, DNSSEC and hosting at regfish; diagnose any domain; OAuth or API key.

MCP server for the Dropscan postal mail scanning API: read scanned letters, act on mailings.

Undertow market liquidity and exit-cost tools io.github.beepboop2025/undertow

Dated exit evidence, depth, tiers and gold cash scenarios. No executable quotes or trade authority.

Search 1,032 verified smart contract vulnerability findings from Sherlock audits by pattern.

fmsg io.github.markmnl/fmsg-mcp

Federated messaging with your fmsg hosting provider. Connect with OAuth or an API key.

APICK Business app.apick/business

Korean business, bid and real-estate analytics, parcel, building register and simple-auth data

Deterministic execution authorization for AI agents and automated systems.

Flyn to.flyn/mcp

Create, edit and analyse short links and QR codes. OAuth sign-in works on the free plan.

Free passive security scanning - check any domain's DMARC, TLS, headers, and exposures.

Tuurio ID io.github.Tuurio/tuurio-id

Manage users, OIDC clients, roles, settings, and audits with tenant-bound OAuth.

Turrior MCP com.turrior.my/turrior-mcp

Authenticated remote MCP server for Turrior.

file2markdown ai.file2markdown/file2markdown

Convert docs and web pages to clean Markdown: PDF, DOCX, XLSX, EPUB, scans, URLs. Batch of 10.

Stashbase io.github.stashbase/mcp

Secrets for developers and agents—secure context and workflows without exposing secret values.

Your AI agent reads your Apple Health data: sleep, HRV, cycle, workouts. Decrypted on your machine

security-preflight io.github.jdhart81/security-preflight

Static MCP, source-code and injection-indicator checks with redacted signed receipts.

Xingchen SentriScan ASP io.github.xhdyycx/xingchen-sentriscan-asp

10 deterministic micro-tools for agents. x402 on X Layer, zero LLM.

Local MCP server for isolated, evidence-backed GDWEB design analysis and web search.

Framekeep Public Discovery com.framekeep/public

Read-only discovery of Framekeep capabilities, security boundaries, and public resources.

Corbelworks Utility Defect Scan and Buyer Intake dev.pages.corbelworks/reliability

Preflight utility evidence, open a $149 scan checkout, and file scoped buyer intake.

Ethereal Goods x402 Tools store.etherealgoodsco/x402-tools

70+ pay-per-call security, crypto, and data tools for AI agents via x402 USDC micropayments on Base