ctfd-mcp
MCP server for CTFd that lets regular users browse challenges, manage dynamic instances, and submit flags.
Directory
Search MCP Servers
InvoiceXML Hosted MCP
Hosted MCP server for global e-invoice compliance: create, validate, embed, extract & convert Factur-X, Peppol UBL, CII & more
FDA Data MCP
FDA-only compliance data MCP (recalls, warning letters, inspections, 483s, approvals, CFR parts).
getmcpauth
Hosted OAuth 2.1 + Dynamic Client Registration (RFC 7591) for MCP servers
captcha-mcp
L402 Lightning paywall and PoW gate for MCP tool calls. Free tier solves a Hashcash challenge; paid tier pays a Lightning invoice via self-hosted LNBits. No…
MySQL
Connects to MySQL databases via sockets to enable querying, schema analysis, and read-only data retrieval.
Gapup MCP — Agent-payable C-suite expertises
185 agent-payable C-suite intelligence tools — competitive intel, SEC filings, sanctions, KYC, clinical evidence, ESG. x402 USDC/EURC. 100 free calls/mo.
Obsidian Regulatory Mcp
Verified, tier-0 regulatory data for your AI: connect Claude, ChatGPT or Cursor to 850+ official sources across 50+ jurisdictions.
Conformi Eu Legal Search
EU legal research for AI agents: semantic + full-text search over ~48,000 EUR-Lex acts including consolidated versions, daily drift monitoring, answers with…
Middlebrick
Scan APIs for security vulnerabilities and get OWASP risk scores. Detects auth bypass, BOLA/IDOR, data exposure, prompt injection, and 12+ security categories.
Guardrly
Non-invasive AI Agent operation monitoring — audit every API call your agent makes to Shopify, Meta Ads, and more. Real-time alerts, audit logs, and operation…
GoPlus
GoPlus Security is the leading Web3 security layer, providing comprehensive protection for multiple blockchain ecosystems. This project provides a MCP server…
Xrpl Risk Scorer
Check any XRPL wallet for risk before sending XRP.
Fake Star Audit
Audits a GitHub repository's stargazers for signs of fake-star injection across five deterministic axes (burst, suffix-farm, sequential-id cluster, same-second…
Signbee — Document Signing for AI Agents
Send, sign, and verify documents with a single tool call. Converts markdown to PDF, handles two-party signing via email, and delivers SHA-256 certified signed…
mcp-erid
Инструмент — «читалка/валидатор»: не размещает, не регистрирует и не маркирует рекламу. Ответ носит справочный характер и не является юридическим заключением…
mcp-fns-check
MCP-сервер для проверки российских контрагентов (юридические лица и ИП) через публичные данные ФНС: ЕГРЮЛ/ЕГРИП, ЕФРСБ, «Прозрачный бизнес», ФССП, КАД.
Fonteum MCP
Source-provenanced US federal healthcare provider data over MCP. Resolve any NPI or CCN across NPPES, OIG LEIE, SAM.gov, state Medicaid exclusions, CMS PECOS…
Zero‑Exposure Slack Sender (MGC Secure Edition)
A local execution vault for AI Agents: providing encrypted key authorization, encrypted task‑chain execution, and controlled external execution permissions. It…
iletiMerkezi MCP Server
Send SMS, query delivery reports, manage senders / blacklists, register and check İYS (Turkish messaging consent registry) records through the iletiMerkezi…
Humanizer PRO
Humanizer PRO is an MCP server that transforms AI-generated text into natural, human-sounding content. It provides 4 tools: - humanize_text: Rewrite AI text to…
audit-ledger-mcp
Tamper-evident audit logging for AI decisions. Three tools (record_decision, verify_decision, list_decisions) write to a regulator-grade ledger built on AWS S3…
Browser Tools
Enables web browsing capabilities through tools for content extraction, link following, and browser automation with customizable parameters for scraping, data…
Agentic Radar
A security scanner for your LLM agentic workflows