MCP Server Directory

Secure code execution sandbox for Claude — run Python, JavaScript, and shell commands

Time-aware scheduling for Claude — manage tasks, reminders, and recurring schedules

Parse a document into structured, confidence-scored fields. Bring your own model, pay per scan.

Native macOS markdown preview with MCP server for Claude Code. Swift/SwiftUI, no Electron.

x402-gated LLM token compressor: strip filler, collapse JSON, densify prose. Paid in USDC.

PubNub Model Context Protocol MCP Server for Cursor and Claude

Deterministic SHACL-based assessment and comparison for digital passport data models.

NeuralBrain io.github.alexcurpan-cloud/neuralbrain

NeuralBrain MCP Server - RAG, Vector Memory, LLM Routing, Agent Identity, x402 Payments

Model multiplexer — route tasks to Codex, Gemini, and Claude CLIs with smart routing.

Ideogram platform MCP (api v2): 18 image models, price quotes, async generations, raw call

Persistent long-term memory for Claude Desktop / Claude Code, backed by EvolutionDB.

Joules — AI Cycling Coach cc.joules/coach

Turn Claude or ChatGPT into a cycling coach that plans your week, grades it, and adapts. Free beta.

CLS++ Memory io.github.rajamohan1950/cls-memory

Cross-LLM persistent memory: store context once, recall it from any AI model.

toolweave io.github.andreysparish/toolweave

One MCP endpoint for Claude, GPT & Gemini: 100+ tools + no-code connectors + agent workers.

Self-hosted web search for AI agents — zero API keys, embedding rerank, multi engine parallel search

QueueSim com.queuesim/public

Queueing simulation: M/M/c, staffing, Erlang C checks, and multi-step models built from nodes.

Free certification prep for the Claude Certified Architect exam by Connectry LABS

onzero — Creative Studio ai.onzero/creative-studio

Turn Claude into a creative studio: DNA-locked characters, images, video, voiceover — 55 tools.

Sigistry Plugin Catalog (formerly Claude Registry) com.clauderegistry/plugin-catalog

Renamed: prefer com.sigistry/plugin-catalog. This legacy endpoint keeps working.

PresenterPrep com.presenterprep/presenterprep

Record your pitch in Claude or ChatGPT and get instant feedback on your delivery.

Manage SwiftKanban boards and cards from Claude AI

ComparEdge Pricing io.github.comparedge/pricing-api

Verified SaaS, AI, and LLM pricing for 490+ tools: plans, hidden costs, TCO, and alternatives.

LMX Cloud LLM Inference io.lmxcloud/mcp-server

OpenAI-compatible LLM MCP (7 tools); chat via balance key or x402 USDC on Base

Word search, crossword, and sudoku generators, printable PDF worksheets, and verifiable LLM evals.