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MCP server library that exposes a Ratel tool catalog as a Model Context Protocol server. The inverse of @ratel-ai/sdk's registerMcpServer.

A local-first MCP server that enables AI agents to read user-authorized Google Health API v4 data from Fitbit, Pixel Watch, and partners via OAuth, with tokens never leaving the machine.

RAG augments knowledge. Ejentum augments reasoning. 4 harnesses, 679 abilities, runtime injection.

Drop-in MCP server for Obsidian vaults. Hybrid retrieval (BM25 + TF-IDF + ML embeddings via RRF), wikilinks resolved with aliases and sections, backlinks ranked with snippets, frontmatter typed, Dataview-style queries first-class. Read-only by default; op

Headless FinOps MCP server — cloud + SaaS cost intelligence for Claude

Local read-only MCP server for Weeek (stdio transport).

Airflow MCP for the Airflow 3.x `/api/v2` REST API with JWT auth (SimpleAuthManager). 7 tools (DAG list, runs, task instances, log tails, trigger, clear) plus `dag-health-rollup` aggregation and 2 triage Prompts. Read-only by default; trigger/clear gated by `AIRFLOW_ALLOW_WRITE`.

Production-ready local MCP server for PoloPan products search

Local MCP memory backed by Obsidian vault — MLX-native LLM + embedder, sqlite-vec store. No Ollama, no API keys.

Fast headless spreadsheet engine for Node.js formulas, workbook automation, WorkPaper JSON, and agent workflows.

MCP server for the FLOPS Compute Intelligence Platform — gives Claude / Cursor / Windsurf agents direct access to GPU compute price indices, methodology, and per-index verification.

French territorial intelligence MCP: cross-reference health, business & geo public registries.

Authenticated MCP server for ExpenseBot — lets Claude Desktop, Cursor, and other AI assistants search your expenses, create reports, and analyze spending using your actual ExpenseBot data.

Porkbun MCP server — exposes the Porkbun v3 API as tools for AI agents (Claude Desktop, Cursor, etc.)

Model Context Protocol server for qmailing — lets AI agents (Claude Desktop, Cursor, Continue, ...) read and modify mailboxes, custom domains, and email through the qmailing public API.

MCP server for the FourA web scraping API — three tools for HTTP requests, rotating proxies, and full browser sessions, usable from any MCP client.

MCP server giving AI agents instant access to permanent crypto exchange fee discounts (20-40% off). Affiliate revenue share for AI agent developers — your users save fees, you earn lifetime commissions. 6 tools: fee comparison, referral codes, country com

GoHighLevel MCP Server for Claude. 176 tools — full CRM, automation, marketing control, and the only programmatic GHL workflow builder.

MCP server for the Geomelon geographic API — stdio and remote HTTP transports

MCP server for the Polarity exocortex. Read and write your personal knowledge graph from any LLM client.