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MCP Tools | Model Context Protocol Server Directory

Discover, compare and configure open MCP servers that connect AI assistants to web, files, databases, search and developer tools.

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Directory overview
687
curated entries
18 topic groupsLive
04 / MCP DIRECTORY

Connect AI to the outside world

Context first, better decisions. Every entry keeps the signal that matters.

CURATED DIRECTORY687 results

HTML to Markdown — Clean Conversion, Scripts Stripped

Remote MCP
Free

HTML to Markdown converter API for AI agents. Convert HTML to clean Markdown: strips scripts, styles, and tracking, preserves headings, links, lists, images, and tables. Tools: text_convert_html_to_markdown. Use this for content migration, email processing, or preparing HTML content for LLM consumption. IMPORTANT: For scraping a live URL to Markdown, use web_scrape_to_markdown instead. Returns: {markdown, wordCount}. No API key required — x402 micropayment $0.001/call on Base L2.

4.2K starsView details

BMKG MCP

Remote MCP
Free

Access real-time weather forecasts and climate data across Indonesia. Stay informed about recent seismic activity and natural disasters with official government alerts. Plan activities and ensure safety by monitoring environmental conditions from the national meteorological agency. This is an unofficial community project. Not affiliated with BMKG (Badan Meteorologi, Klimatologi, dan Geofisika). All data belongs to BMKG

4.2K starsView details

excel-mcp-server

GitHub
Free

A Model Context Protocol server for Excel file manipulation

4.2K starsView details

IBANforge

Remote MCP
Free

IBAN validation, BIC/SWIFT lookup, Swiss clearing, SEPA compliance and risk indicators for AI agents. 121K+ bank entries from GLEIF, 1,190 Swiss BC-Nummer from SIX BankMaster, 84 countries. Native MCP support with 5 tools, 2 resources, 1 prompt.

4.2K starsView details

Paper Search (arXiv + Semantic Scholar + OpenAlex)

Remote MCP
Free

Unified academic paper search for AI agents. search_all queries arXiv, Semantic Scholar and OpenAlex at once, de-duplicates the same work across corpora (by DOI/title) and re-ranks with Reciprocal Rank Fusion so papers found by several sources rank highest. read_paper returns full arXiv text with formulas as LaTeX. Plus citation graphs, author metrics (h-index), recommendations and full-text snippet search across 220M+ papers. Remote streamable-HTTP, no auth required.

4.1K starsView details

Markdown to HTML — Headings, Code, Tables

Remote MCP
Free

Markdown to HTML converter API for AI agents. Convert Markdown to clean HTML with headings, lists, code blocks, tables, links, and images. Optional full document wrapping with DOCTYPE. Tools: text_convert_markdown_to_html. Use this for rendering Markdown content in web UIs, email templates, or document generation. IMPORTANT: For styled HTML with CSS themes, use text_render_markdown instead. Returns: {html, wordCount}. No API key required — x402 micropayment $0.001/call on Base L2.

4.0K starsView details

Infobip Search MCP

Remote MCP
Free

Search Infobip documentation to quickly find guides, use cases, and best practices. Unblock integration and messaging workflows with precise, context-aware answers. Accelerate development with ready-to-use examples and clear guidance for building and troubleshooting requests.

4.0K starsView details

Korean Crypto

Remote MCP
Free

Access real-time price data, order books, and candle information from major Korean exchanges like Upbit and Bithumb. Track the Kimchi premium by comparing local market prices against global benchmarks. Identify top market movers and compare trading data across domestic platforms to optimize investment decisions.

3.9K starsView details

Email Deliverability Audit — SPF/DKIM/DMARC Check

Remote MCP
Free

Email deliverability audit API for AI agents. Analyze any domain's email authentication: SPF record validation, DKIM selector check, DMARC policy analysis, MX record health, and composite deliverability score 0-100 with prioritized fix recommendations. Tools: email_audit_deliverability. Use this when auditing email infrastructure, diagnosing delivery issues, or checking domain reputation before sending campaigns. IMPORTANT: This checks the DOMAIN's setup — for individual email validation, use email_verify_address instead. Returns: {score, spf, dkim, dmarc, mx, recommendations[]}. No API key required — x402 micropayment $0.005/call on Base L2.

3.8K starsView details

GitHub Code Search

Remote MCP
Free

Search millions of public GitHub repositories for real-world code patterns and implementation examples. Discover how developers use specific libraries and handle complex configurations in production environments. Improve coding speed and accuracy by referencing verified open-source solutions.

3.8K starsView details

options-analytics

Remote MCP
Free

Real-time options analytics MCP server. 23 tools covering gamma/delta/vanna/charm exposure (GEX/DEX/VEX/CHEX), dealer positioning, 0DTE analytics, volatility surfaces, SVI parametrization, arbitrage detection, variance swaps, VRP dashboard, Black-Scholes greeks, IV solver, Kelly criterion sizing, option quotes, historical tick data, and key options levels for US equities. Streamable HTTP transport, API key auth.

3.8K starsView details

DeFi Yield Finder — Best APY Across 100+ Protocols

Remote MCP
Free

DeFi yield aggregator API for AI agents. Find the best lending, staking, and LP yields across 100+ protocols (Aave, Compound, Morpho, Lido, Yearn, Curve, Convex). Powered by DeFiLlama with TVL, risk scoring, and historical APY. Tools: defi_find_best_yields. Use this when looking for yield opportunities, comparing protocols, or building DeFi portfolio strategies. IMPORTANT: For swap quotes, use dex_get_swap_quote. For gas costs, use gas_get_current_price. Returns yields sorted by APY with TVL and risk. No API key required — x402 micropayment $0.002/call on Base L2.

3.7K starsView details

openstreetmap-mcp-server

Remote MCP
Free

Geocode, reverse geocode, and run Overpass spatial queries on OpenStreetMap data.

3.7K starsView details

OpenMM MCP

Remote MCP
Free

MCP server for OpenMM — exposes market data, account, trading, and strategy tools to AI agents via Claude Desktop, Claude Code, Cursor, Windsurf, and other MCP clients.

3.7K starsView details

linkedin-mcp-server

GitHub
Free

Open-source MCP server for LinkedIn. Give Claude and any MCP-compatible AI agent access to profiles, companies, jobs, and messages.

3.7K starsView details

LogicRoomX Crypto MCP

Remote MCP
Free

Real-time crypto data for AI assistants. Get live price spreads between Binance and OKX, perpetual funding rates, Cash & Carry arbitrage yields, and exchange status. No API key required.

3.6K starsView details

SpecLock - AI Constraint Engine

Remote MCP
Free

AI Constraint Engine with AI Patch Firewall. 42 MCP tools. Patch Gateway (ALLOW/WARN/BLOCK verdicts), diff-native review (10 scored signals, hard escalation rules), Spec Compiler, Code Graph, Typed constraints, Python SDK, ROS2. Works with Claude Code, Cursor, Windsurf, Cline, Bolt.new, Lovable. 1073 tests. Free and open source. By Sandeep Roy.

3.6K starsView details

CSV to JSON Converter — Auto-Detect Delimiter

Remote MCP
Free

CSV parsing API for AI agents. Convert CSV data to JSON array with auto-detection of delimiter (comma, semicolon, tab, pipe). Header row support, type inference, and clean structured output. Tools: data_parse_csv_to_json. Use this for data import, ETL pipelines, spreadsheet processing, or converting tabular data for API consumption. Returns: {data[], headers[], rowCount, delimiter}. No API key required — x402 micropayment $0.001/call on Base L2.

3.6K starsView details

bjj-belt-progress

Remote MCP
Free

BJJ Belt Progress MCP server — instant access to IBJJF belt requirements, progression timeline calculations, and BJJ training facts for any AI assistant. Three tools: get belt requirements by rank, calculate your personal timeline from belt and training frequency, and retrieve data-backed BJJ progression statistics. Built for grapplers, coaches, and anyone asking AI assistants about BJJ belt progression.

3.5K starsView details

fyndling

Remote MCP
Free

# fyndling-mcp Built for **medieval market fans, reenactors, and living-history enthusiasts** — and the AI assistants that help them plan. Fyndling MCP gives AI clients direct access to two niche European datasets: - **Medieval events** — query 2,000+ markets, concerts, castle experiences, and living-history events across 20 European countries by **location + radius + date range** (updated weekly) - **Permanent POIs** — meaderies, mead producers, castles, and medieval restaurants, also searchable by geo-radius - **Historical recipes** — 1,100+ recipes from six cookbooks spanning the 13th–17th century, with modern German adaptations, structured ingredient lists, and original manuscript transcripts → **[fyndling.de](https://fyndling.de)** — the web app behind this data **Endpoint:** `https://fyndling.de/mcp` **Transport:** Streamable HTTP (MCP spec 2025-03-26) **Auth:** none **Rate limit:*

3.5K starsView details

dominion-observatory

Remote MCP
Free

Behavioral trust scoring and MCP gateway proxy for 14,820+ MCP servers. Query real attestation data — interaction history, success rates, latency, uptime — before your agent executes sensitive operations. **8 tools** for trust evaluation, server discovery, and health monitoring: - `get-trust-score` — instant trust score (0-100) for any MCP server - `query-server` — full behavioral profile with attestation evidence - `list-servers` — browse the entire 14,820+ server directory - `get-leaderboard` — top-ranked servers by trust score - `check-health` — real-time uptime and latency checks - `get-compliance-report` — MiCA Article 12 compliance attestation receipts - `report-outcome` — report tool call outcomes to improve trust data - `get-baselines` — historical behavioral baselines **MCP Gateway Proxy**: Route agent calls through Observatory for automatic trust verification and compliance att

3.5K starsView details

ArXiv Scout

Remote MCP
Free

Search and retrieve academic papers directly from arXiv with advanced query capabilities. Extract full text from PDFs to generate summaries, literature reviews, and side-by-side comparisons. Track citations and references to discover related research and map out academic trends.

3.4K starsView details

mcp-server-browserbase

GitHub
Free

Allow LLMs to control a browser with Browserbase and Stagehand

3.4K starsView details

iAeternum

Remote MCP
Free

Intelligence Aeternum — AI training dataset marketplace with 100,000+ museum artwork images with 4K token .json metadata. Search, preview, and purchase curated art datasets with provenance tracking. Powered by x402 USDC micropayments.

3.4K starsView details
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