MCP servers for Claude Code

Play Chess, Go, Trading & more against AI agents on Agent Arcade with Elo rankings

Cut AI agent token costs 5-15x — routes only relevant code symbols instead of full files.

Validate and verify data from other agents before acting on it. Zero LLM costs.

Human-in-the-loop approval gateway for AI agents over MCP: request, decide, approve.

Repository MCP adapter for company-scoped workflow candidates and conditional API discovery.

Validate AGENTS.md and CLAUDE.md against repo reality: paths, scripts, and commands checked.

MCP server for Llama project management - connect Claude to your agile workflow

Scan a deployed site for an exposed Supabase service_role key and audit Row Level Security.

MCP server driving real Stata via pystata: data loading/cleaning/modeling/diagnostics/graph export, 75 tools for full econometric workflows.

APITier utility APIs as MCP tools: validation, UK/India address lookup, barcode/QR, data conversion.

What USDC and EURC really earn on Arc, by deposit size: Aave v4 and Morpho read directly. x402.

AI-native scheduling: check availability, book meetings, cancel and reschedule via MCP

Ground truth for AI coding agents: what breaks between library versions and how to fix it

Attestroom: the monthly searches, read from search (a month), served as an agent-callable...

Weekly Attic Capital reports for coins, cards, cars, and art.

An MCP server that provides a tool to ask a user questions via the terminal

Cheap flight search via Aviasales Data API: fares by route, price calendar, cheapest destinations.

BillingServ MCP server for customers, invoices, orders, packages, licenses, and revenue reports.

Local MCP server for Black Duck vulnerability, BOM, policy, and remediation workflows

API-key pre-action risk gate: any irreversible agent action (money, SQL, delete, email).

Let AI agents interact with real BLE hardware — scan, connect, read, write, and subscribe.