MCP servers for DeepSeek Harness

Open Topo Data MCP.

OpenStreetMap Overpass MCP — programmatic queries against the OSM database

RubyGems MCP — wraps the RubyGems.org public API (free, no auth)

Tradier MCP — stock & options market data via the Tradier Brokerage API (tradier.com /…

Generate images with any major model — one API key, one prepaid balance, one MCP.

Real-time electricity market data from PJM Interconnection, the largest US grid operator (13…

Polymarket trader analytics for AI agents: rank wallets, read trader metrics, backtest strategies.

Family calendar, tasks, meals, lists & rewards hub for AI assistants.

Send transactional email and read send activity through the Postlane API.

Total landed cost API for cross-border commerce. 240 countries, 113M+ tariff records.

Prime testing, factorisation and searches offline with BigInt: Miller-Rabin and Pollard rho

Local MCP server that optimizes rough prompt drafts using a local Ollama model

Check a prompt-template pack from supplied templates: variables, versions, test renders.

Search, inspect, and install 400+ QA testing skills from qaskills.sh into any MCP client.

Art QR codes via a hosted service: generate, vary, list and retarget scannable picture QR codes.

MCP server for Questrade API integration

Local-first Wi-Fi incident diagnostics with native BLE scan, history, and risk evidence.

PostgreSQL-based RAG Memory MCP Server with Supabase - knowledge graph + semantic search

MCP server for SSH remote command execution

Search and read Apple Mail on macOS, read-only: mailboxes, messages and threads.

Video analytics for TikTok, Instagram, and YouTube. Track, analyze, and discover content.