MCP Server Directory

Search an Obsidian vault by tag, term and wikilink graph. Read-only, deterministic, no embeddings.

Overwing ai.overwing/mcp

Guardrails for LLM output: pass / fail / review verdicts and one recommended action. Hosted or npm.

Agent Docs io.github.KonstantinStarovoytov/agent-docs

Search the official docs of Claude Code, Cursor, OpenAI Codex and MCP, refreshed daily.

cheaprouter io.github.carlosalbertorussell/cheaprouter

Routes each LLM completion to the cheapest capable provider across 8 providers (BYOK).

agent-lint com.runningunattended/agent-lint

Checks CLAUDE.md, AGENTS.md or a system prompt for 12 safeguards unattended agents need.

Runs non-urgent LLM tasks at the cleanest grid hour before a deadline, via Batch APIs when allowed.

Validate, plan, preview and run YAML data pipelines (ETL with LLM steps) and debug failed runs.

Local MCP framework for bounded cross-model delegation, routing and evidence verification.

Realistic fake data from a schema designed in model2data studio: preview rows, write seeds.

Free and Cheap Tokens (FaCT) io.github.PanStories/free-and-cheap-tokens

Human-verified daily catalog of free and cheap AI model API credits and token promos.

Hologram Model Hub foundation.uor.hub/model-hub

Find open models and get download links with the SHA-256 each file must have.

Whoogy com.whoogy/whoogy-mcp

Compare Figma designs against live websites and get visual + content QA reports, from inside Claude.

Model Ruler — AI Cost Calculators io.github.helphub369/model-ruler

Read-only AI/LLM cost tools with current MCP discovery and attributable Registry transport.

ZeroMind (OrigoZero game engine) ai.origozero/zeromind

Build, run and publish 3D games in the Zero engine from Claude Code, Cursor or Codex, over MCP.

Let Claude use your Zen Browser, like Claude in Chrome. No extension, only sites you allow.

Mos AIsley Cantina com.mosaisley/cantina

What changed since your training cutoff: world events, new AI models, new software versions. Free.

Stack Facts us.srv.g5joilnmeep4ntz3nwezxt5dmu/stackfacts

Signed EOL dates, exploited CVEs and LLM prices; pay per call in USDC, no account, no daily cap.

RoamWorthy io.github.simonwbird/roamworthy

Live UK caravan, motorhome and campervan search, matching, dealer stock and model research.

The New Engineer — HVAC com.thenewengineer/hvac

IFC models: duct networks, circuits, pressure drop. EN 12828 vessels, EN 378, Swiss refrigerants.

AI usage limits (Claude Code, Codex, Copilot, Windsurf): check budget and time until reset.

Premiss io.github.founders-loralabs/premiss

Create Python strategies and backtest crypto, stocks and ETFs in Claude. Premiss account required.

Toolweather io.github.toolweather/toolweather

MCP health (~2k servers) + API status & model deprecations (~40 APIs). One suite for agents.

Minutes of AI com.minutesofai/mcp

Read-only AI news with sources, Model Tracker prices, releases and retirement dates.

MCP server for Ultralytics Platform projects, datasets, training, prediction, exports, and models.