MCP Server Directory

Slug Generator API

URL-friendly slugs from text — transliteration, custom separators. x402 micropayment.

Site crawl + tech stack + DNS + SSL + WHOIS — five web-intel layers in one MCP.

io.github.Zero-nium/project-substitute-arena

AI agents replace the CEO of Toys R Us (2006-2017). 17 decisions, 44 quarters. Free entry.

Epa Echo

EPA ECHO MCP — wraps EPA ECHO Web Services (free, no auth)

io.github.formulahendry/spec-driven-development

MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.

Security research: MCP registries verify identity, not tool behavior. See gtfo.dev.

io.github.alexey-pelykh/qontoctl

CLI and MCP server for the Qonto banking API

io.github.raalarcon9705/jira-mcp

Jira & Confluence MCP: 24 tools for issues, sprints, comments, transitions & wiki. Run via npx.

EWS Meeting MCP

Safely schedule Outlook meetings on on-prem Exchange EWS with preview-confirmed writes.

Studio de mastering MB Mastering (Paris) : services, tarifs, infos studio, FAQ et demande de devis.

Httpbin

httpbin echo: GET/POST inspection, status codes, delay, UUID, base64. Debug aid.

BlackDome Threat Intel

Live honeypot threat intel: attacker IPs, IOCs, credentials, payloads, actors.

io.github.raunakkathuria/lexilint

Offline spell checker + BYOK grammar for AI assistants. Works with Claude Desktop, ChatGPT, Cursor.

io.github.hoornet/agentdocs-mcp

MCP server for AgentDocs (agentdocs.eu): read, search, write, comment on & share Markdown docs.

io.github.standardbeagle/mcp-debug

Debug and develop MCP servers with hot-swapping, session recording, and playback testing

Quotable

Quotable MCP — wraps Quotable API (free, no auth)

Kalshi Prediction Markets

MCP server for Kalshi prediction markets: native RSA-PSS auth, rate limiting, demo/prod safety.

com.mcparmory/google-search-console

Query search analytics, manage sitemaps, and inspect site URLs and status

io.github.abhiyoheswaran1/agentloopkit

Read-only MCP server for AgentLoopKit tasks, policies, reports, handoffs, and status.

Custom metal-print storefront: catalog search, product details, shipping, reviews. Read-only.

CLIO Geojson

MCP server for inspecting, validating, and summarizing GeoJSON documents (stdlib only)

io.github.simonenavifare/navifare-mcp

Flight price comparison MCP server. Search multiple booking sources to find better flight prices.

L2beat

L2BEAT MCP — Layer 2 ecosystem analytics

ClawPay MCP — Non-Custodial x402 Payments for AI Agents

Non-custodial x402 payments for AI agents. Sign locally, spend limits, Base network.