MCP server directory

Live LLM API pricing from modelpricewatch.com — current token prices, model comparisons, cheapest-model lookups, and The LLM Price Index across 150+ models from 20+ providers, re-verified daily against official provider pages. No API key required. `npx -y @modelpricewatch/mcp`

Local-first project memory and guardrails for coding agents. Records failed attempts, fragile files, and decisions per repo; warns the agent before it repeats a recorded mistake. `npx -y memini mcp`

MCP server for the XRP Ledger that provides access to account information, transaction history, and network data. Allows querying ledger objects, submitting transactions, and monitoring the XRPL network.

See and query your whole AI system as one rooted 3D knowledge graph — agents, memory, knowledge, and automations fused into a privacy-walled snapshot. MCP tools for stats, search, node dossiers, neighbors, and pathfinding; the same snapshot renders up to a million nodes in the browser. `npx create-booboo`

UK Companies House data via the Registrum API — search companies, get enriched profiles, structured financials parsed from iXBRL filings, director history, and corporate network graphs.

Build enterprise-grade MCP servers with our battle-tested, open-source library. Extracted from production systems and designed for real-world use. MCP is an open protocol that enables AI applications to securely connect to data sources and tools. Think of it as a universal connector for AI systems. Connect any AI application to your business tools and data sources using a standardized protocol. Build once, use with any MCP-compatible AI application as the ecosystem grows. Built-in security features protect your data while enabling powerful integrations.

4 tools · Automate Finder, Execute AppleScript

Convert HTML to PDF/PNG/WebP/PPTX slide carousels with 11 themes (LinkedIn, Instagram, pitch decks, infographics). Pixel-perfect Puppeteer rendering, dimension-aware reflow for portrait/landscape, token-efficient JSON mode. `npx slideshot-mcp`.

Transparent proxy for any MCP server that intercepts all JSON-RPC messages, measures latency, and stores traces in SQLite, PostgreSQL, or MySQL. Exports OpenTelemetry (OTLP) spans to Jaeger, Tempo, or Grafana. Supports stdio, HTTP, and SSE transports. `npx @cardor/heimdall-mcp`

All-in-One SEO & Web Intelligence Toolkit API from FetchSERP.

Real-time cost observability for MCP tool calls. Transparent proxy auto-detects every MCP client (Claude Desktop, Cursor, Windsurf, VS Code, Claude Code, Zed, Continue.dev, Cline, Goose) and attributes spend per tool, per project, per end-customer. `npx @mcpspend/proxy add` install. Free tier 25K calls/month, no card. MIT proxy on npm. EU-hosted, GDPR-ready.

MCP server that checks the live status of 3831 software services in real time. Ask your AI agent "is GitHub down?" or "what's wrong with Sentry?" — and get a live answer pulled directly from official status pages, including full incident detail when something is broken. `npx -y github:jabbawocky/statuscraft`

Offline LLM cost prediction: estimate/predict request cost, select the cheapest capable model, compare models, list pricing, and optimize requests. 7 tools, no API keys, runs via npx @workswarm/modelcostsaver.

Local-first LLM API cost tracker. Captures usage across Anthropic, OpenAI, Qwen, and DeepSeek into a local SQLite ledger and exposes spend queries, provider comparison, and recommendations as MCP tools — with first-class Chinese-provider support (CNY→USD). Install: `uvx llm-usage-mcp`.

> The Model Context Protocol (MCP) is an open protocol that enables seamless integration between LLM applications and external data sources and tools. Whether you're building an AI-powered IDE, enhancing a chat interface, or creating custom AI workflows, MCP provides a standardized way to connect LLMs with the context they need. This repository contains a MCP server that provides access to Milvus vector database functionality. Before using this MCP server, ensure you have: - Python 3.10 or higher - A running Milvus instance (local or remote) - uv installed (recommended for running the server)

6 tools · milvus_create_collection, milvus_get_collection_info

Access Dutch Parliament (Tweede Kamer) information including documents, debates, activities, and legislative cases through structured search capabilities (based on opentk project by Bert Hubert)

API governance server that detects breaking changes in OpenAPI specs. Diffs two spec versions, applies configurable policy rules (strict/default/relaxed), and returns structured pass/fail verdicts. 23 change types, 10 breaking. Supports OpenAPI 3.0, 3.1, and Swagger 2.0.

Drive any libretro core through [RetroArch](https://www.retroarch.com/)'s Network Control Interface (UDP): read/write memory, save/load state, screenshot, pause/frame-advance/reset, on-screen messages. Verified against NES, SNES, Genesis, N64, GBA, and PS1 cores.

Unofficial MCP server for searching and retrieving scientific data from the Catalysis Hub database, providing access to computational catalysis research and surface reaction data.

Search the Feedbagel RSS catalog, follow feeds, and route new entries to webhooks.

German public procurement data (OCDS) — semantic search, tender matching with company profiles, and structured filtering.

These MCP servers are a part of the Neo4j Labs program. They are developed and maintained by the Neo4j Field GenAI team and welcome contributions from the larger developer community. These servers are frequently updated with new and experimental features, but are not supported by the Neo4j product team. They are actively developed and maintained, but we don’t provide any SLAs or guarantees around backwards compatibility and deprecation. If you are looking for the official product Neo4j MCP server please find it here.

6 tools · Design and visualize graph data models, Execute write Cypher statements

Read-only MCP server exposing your live MyLinedChart desktop chart context (symbol, candles, drawings, indicators, IBKR status) to local AI agents. Local, private, read-only.

Non-custodial on-chain escrow + AI dispute arbitration for agent-to-agent USDC payments on Base. Seven tools covering the full `EscrowV1` contract surface: create escrow, mark delivered with on-chain content hash, confirm or dispute, arbiter resolves with signed verdict, cancel/escalate on timeout. `npx @arbitova/mcp-server`

MCP server for NowSecure Platform mobile security testing. List applications, pull remediation findings via GraphQL, and generate PDF reports locally (bypasses broken UI export). Published as `nowsecure-mcp-server`. `npx -y nowsecure-mcp-server`

Local-first MCP safety and verification layer for AI coding agents with workspace confinement, command allowlists, scope-violation detection, and auditable task evidence. Install: `npx -y patchwarden@0.6.1`.

Xendit payment gateway for Southeast Asia. Invoices, disbursements, balance checks, and bank transfers across Indonesia, Philippines, Thailand, Vietnam, and Malaysia. Install via `npx xendit-mcp`.

AI tools to search for campgrounds, check availability and book campsites across the entire world. Includes agent skill files and an MCP server for AI-powered campground discovery. This package includes skill files compatible with OpenClaw, Claude Code, Codex, and other agent platforms that support the SKILL.md format. No API key is required. For higher rate limits, get a key from campertunity.com/mcp: Search for campgrounds with filters and location-based search. Get detailed information about a specific listing.

5 tools · Check real-time availability, Filter by camping style

Reduces MCP tool description token costs by 40-70% through pure text schema distillation.

Read-only Hyperliquid / HyperEVM: every way to earn on HYPE in one table — liquid staking, lending with utilisation and max LTV, LP pools, and the HLP vault — with yield a pool earns separated from yield paid in emitted tokens. Also protocol TVL, fees actually paid, perp and spot markets, funding history, and order-book depth with a straight answer when a size will not fill. Where a source publishes a figure whose unit cannot be confirmed, the cell reads n/a instead. No keys, no signing, nothing to configure. `npx -y @sand0vvv/hyperevm-mcp`

Streams real-time cryptocurrency liquidation events from Binance.

Chemistry toolbox computed from authoritative data: molecular weight / molar mass of any formula (nested groups, isotope labels, propagated NIST uncertainties, percent composition), isotope-distribution mass spectra (m/z peaks for a given charge), and name⇆formula lookup with isomer resolution. Element masses from the NIST Atomic Weights and Isotopic Compositions database; offline and deterministic, with an optional on-by-default online fallback (PubChem/Wikidata/EPA CompTox) that can be disabled. `uvx mcp-molecules`.

Generate PDF, JSON & UBL invoices in 11 languages (Arabic RTL, Japanese, Hindi, Cyrillic) from AI agents. Free tier, no key needed for JSON totals.

Generate crypto QR codes (BTC, ETH, SOL, USDC, USDT, EURC) and manage payment sessions from Claude Desktop or any MCP client. Non-custodial, free.