MCP Server Directory

Gonka Second Opinion (multi-model) io.github.bystray/gonka-mcp-server

A second opinion for AI agents: one prompt across several live Gonka models + roles, one call.

Deterministic SVG perception for LLM agents — measures, never guesses. MCP server.

Real-time LLM/VLM benchmarks, pricing, and recommendations. 300+ models, 5 sources.

Model Context Protocol server that wraps the CADLens REST API.

MCP server for querying Foxhound traces from Claude Code, Cursor, and other MCP clients

DiagramZu ai.diagramzu/mcp

Let Claude, Cursor, or ChatGPT author Mermaid diagrams your team can read and share.

Ninar AI ai.ninar/ninar

Audit your brand's visibility across ChatGPT, Gemini, Claude, Perplexity + 6 more engines.

aicastle-school-openai-api-agent-project11 ai.smithery/aicastle-school-openai-api-agent-project11

Fetch the latest available stock quotes by ticker symbol across international markets. Check price…

AdButler com.adbutler/mcp-server

Manage AdButler campaigns, zones, ad items, VAST, and reports from Claude, ChatGPT, and Cursor.

Model intelligence for AI agents — syntax, params, pricing for 67+ generative AI models.

Read-only semantic search MCP server for Obsidian vaults using local Ollama embeddings.

Calypso multimodal RAG for grounded answers from docs, images, charts, and knowledge.

sortio io.github.canonicalmg/sortio

Read-only search of your Sortio knowledge graph (files and entities) for Claude and ChatGPT.

convalytics io.github.Dan-Cleary/convalytics

Read-only analytics for Convex apps, queryable via MCP from Claude, Cursor, and other clients.

Model Context Protocol (MCP) server for AI-assisted development of CAP applications.

Stateless MCP server that proxies research queries to Gemini CLI, reducing agent context/model usage

PromptOT com.promptot/mcp

Manage, version, and publish LLM prompts with blocks, variables, and evaluations.

A Model Context Protocol (MCP) server for Uptime Kuma version 2.

Hipocampo MCP io.github.carrasquelalex1/hipocampo

Bilingual dual memory with SSC for AI agents. Semantic search, embeddings, profiles.

nyc-property-intel io.github.ccedacero/nyc-property-intel

MCP server giving Claude AI access to 22+ NYC public-record databases for real estate due diligence

HAL (HTTP API Layer) - An MCP server that provides HTTP API capabilities to Large Language Models

Local keystore + MCP server. Claude can sign EVM transactions but never sees the private key.

Govern model, agent, skill, and MCP workflows with policy, approvals, traces, and usage analytics.

Context engineering MCP server — generates CLAUDE.md files via structured codebase analysis