MCP Server Directory

Deterministic multi-hop graph retrieval for RAG. Zero LLM calls in the query path.

Draw pixel-art tiles and tilesets for 2D games, with PNG+metadata export for Unity.

SimplePractice Client Portal — appointments, billing, documents, announcements

Koi-pond MCP server — varieties database (Gosanke + secondary), pond stocking calc, koi-specific

MCP server for Chrome DevTools

MCP server for preparing and tracking Peer Cash Base USDC cash-outs

Nonlinear Calendar io.github.singularitybpjade/balance-engine

Nonlinear Calendar: this year’s months fold onto the previous 12 years. No key to try.

Trading Strategy Data io.github.Vohlsyr/trading-strategy-data

Live crypto trend signals, ranking, and backtesting for BTC/ETH/SOL/XRP/ADA. x402 pay-per-call.

Site Rep MCP io.github.nish3451/site-rep

Read-only Site Rep handoff: agent brief, pending work, first-customer receipt with payment evidence.

Analyze LLM API costs: token waste detection, caching savings estimates, model comparison

Run a Hello Aigent feed from your agent: create feeds, publish signed updates, read analytics.

Public Data Catalog io.github.yhay81/public-data-catalog

Reviewed public-data search and execution with provenance and verifiable integrity receipts.

Self-hosted MCP gateway for Codex, Cursor, and Cline with provider-free prompt enhancement.

Open-source AI context firewall for governed model, retrieval, memory, and tool access.

Synchronity io.github.themewireco/synchronity

Shop connected e-commerce stores: search, compare, cart, and checkout with buyer approval.

MCP server for the Discord REST API: 5 read tools always on, 7 write tools env-gated, default off.

Whetstone link.cyberelf.whetstone/tools

Verifier-grounded AI promotion gates, disposable report cards, and signed PASS/HOLD/BLOCK receipts.

Enhanced Godot 4.5-4.7 MCP: headless+editor+bridge, secure GDScript sandbox, closed-loop AI dev.

MUJ428 Trust Layer — Bind Approved Intent to Verified Effect io.github.wmujahid428-web/muj428-trust-layer

Payment-rail-independent intent-to-effect integrity for consequential agent actions.

Checkout.com io.github.checkout/mcp

Search Checkout.com docs and API reference, plus manage payments, refunds, and payment links.

Play 27-0 free in your browser. Spin all-time NRL clubs and eras, draft 13 rugby league legends

Free, local MCP server that audits ClickUp, Slack & Teams for work that slipped through.

Apple Podcasts Connect owner analytics over Reporter: plays, followers, episodes. Read-only.

Nalegalu MCP io.github.nalegaluorg/nalegalu

Semantic search over Polish law and case law, citing the exact in-force article.