MCP Server Directory

axiomseal com.axiomseal/axiomseal

Truth-validated, SHA-512-sealed AI memory for Claude & Cursor. Free tier, OAuth, 38 tools.

EasySend file sharing MCP server - upload, download and share files. No authentication required.

Praat met je Boekhouding (Chat with your Books) nl.praatmetjeboekhouding/exact-online

Connect Exact Online accounting to Claude, ChatGPT and Copilot. 114 tools, OAuth 2.1, EU-hosted.

MCP proxy adding security scanning, behavioral profiling, risk gating, and safe tool call execution.

MCP server for Gmail with OAuth2 (personal) and service account (Workspace) support.

MCP server for the Withings Health API with OAuth, local SQLite cache, and trend analysis.

MCP server for SSH remote server management with SSH agent authentication support.

calculators com.calcfleet/calculators

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

docs-mcp com.redpanda/docs-mcp

Get authoritative answers about Redpanda documentation and search API references.

Security-first MCP server for PostgreSQL, SQLite, MySQL, DuckDB with SQL injection prevention.

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

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

evidence-ledger com.saasdossier/evidence-ledger

Read-only MCP: free OpenAI security evidence ledger (55 fields) + SaaSDossier release register.

tracepiishield-mcp com.clauxel.tracepiishield/tracepiishield-mcp

PII scanning and redaction receipts for LLM traces and tool payloads.

End-to-end encrypted access to a Standard Notes vault (protocol 004, local stdio only).

Read-only network & security recon tools (DNS, TLS, headers, CORS) for AI agents, each graded.

ServiceNow MCP server — 67 tools over the full REST surface, every auth method, flows, diagrams.

MCP server security scanner: detects prompt injection, credential leaks, SSRF, tool poisoning.

SureSMS com.suresms/mcp

Send SMS, manage contacts and groups, and read delivery reports. OAuth 2.1 SureSMS login.

Eco Van Move Booking com.ecovanmove/booking

Moving estimates, box rentals, and delivery in BC. Requires Eco Van Move account (OAuth or token).

mcp dev.agentsim/mcp

Control plane for agent auth walls. Connector 0 handles SMS OTP with US test numbers.

mcp cc.accrue/mcp

Stablecoin Yield Index (SYX) and live USDC vault APYs across Ethereum, Base, Arbitrum.

Local-first MCP proxy with BM25 tool discovery, security scanning, quarantine & ~99% token savings

arifOS — Constitutional AI Kernel io.github.ariffazil/arifos

Constitutional AI kernel with 13 MCP tools, 888_JUDGE verdict pipeline, and VAULT999 ledger.

MCP server for MySQL. Read-only by default, row caps, statement timeouts, secrets never logged.