MCP Server Directory

calculators com.calcfleet/calculators

Tested financial & practical calculators as free, no-auth MCP tools for AI agents.

Scan any URL for WCAG accessibility issues (axe-core) and get per-element fixes for an AI agent.

Abnormal Security email threats, cases, and reporting in your terminal and your AI agents.

MisterSandFR-supabase-mcp-selfhosted ai.smithery/MisterSandFR-supabase-mcp-selfhosted

Manage Supabase projects end to end across database, auth, storage, realtime, and migrations. Moni…

Authoryze ai.authoryze/authoryze

Give your AI agent a spending limit: approval controls and single-use virtual cards.

DiagramZu ai.diagramzu/mcp

Let Claude, Cursor, or ChatGPT author Mermaid diagrams your team can read and share.

Score agent manifests, generate CI workflows, and pull Clarx scan findings into your IDE.

Клод Кот — генерация изображений и видео ai.klodkot/gen

Best Image and video generation: 20+ models (Kling, Seedance, Veo, NB, FLUX.2), OAuth, pay-per-use.

Eevy ai.eevy/mcp

Shopify CRO platform via MCP: 100+ tools for analytics, experiments, authoring, proven lift.

Hint-Services-obsidian-github-mcp ai.smithery/Hint-Services-obsidian-github-mcp

Connect AI assistants to your GitHub-hosted Obsidian vault to seamlessly access, search, and analy…

Axon NeuroAutomata ai.axonagentic/neuroautomata

Protein analysis: ESM-2/ESMC embeddings, mutation scoring, landscape scans, ESMFold structure.

PreClick — An MCP-native URL preflight scanning service for autonomous agents. ai.preclick/preclick-mcp

PreClick scans links for threats and confirms intent match with high accuracy before agents click.

Filepad ai.filepad/filepad

Connect AI agents to Filepad workspaces through OAuth MCP.

Rust MCP server and CLI for Tailscale devices, users, keys, policies, and auth.

Discover and vet MCP servers: search 200K+ AI tools with security verification and schemas.

masnavi ai.masnavi/masnavi

Rumi's complete Masnavi (25,635 beyts) — search, quote, verify and explain. Free, no auth.

aeo ai.obaron/aeo

Scan any website for AI readiness — 100-point score across 6 AEO categories in seconds.

Runtime authority for AI agents: credential mediation, spend cap, approval gates, audit log.

etherscan-api-mcp io.github.junct-bot/etherscan-api-mcp

Etherscan Api - 71 tools for data, metrics, and on-chain analytics

ByteRay AI ai.byteray/byteray-mcp

Hunt zero-days by talking to binaries. 40+ tools. Hosted, OAuth + SSO, invite: hi@byteray.ai

Boolsai Grep ai.boolsai/grep

Parallel regex across all Boolsai scans — discover new vendor patterns, niche signals. 4 tools.

eliu243-oura-mcp-server-eliu ai.smithery/eliu243-oura-mcp-server-eliu

Connect your Oura Ring account securely in minutes. Enable authorized access to your sleep, activi…

Helixar Security ai.helixar/mcp

Security tools for AI agents: scan MCP servers, validate HDP delegation chains, audit releases.

sunub-obsidian-mcp-server ai.smithery/sunub-obsidian-mcp-server

Search your Obsidian vault to quickly find notes by title or keyword, summarize related content, a…