MCP Server Directory

Give an AI agent its own email address: send, reply, read, and wait for mail.

Governed PostgreSQL DBA operations: slow-query, bloat and lock analysis, index management, vacuum and replication lag, with audit logs and rollback.

PostHog MCP — wraps PostHog Analytics API (app.posthog.com/api)

Check posts against real character limits before publishing on X, Bluesky, LinkedIn, Threads, Mastodon and Discord, including URL and emoji weighting.

Publish and schedule posts to LinkedIn, X, Facebook, Instagram, Threads, Bluesky and YouTube Shorts, with preflight checks, brand kits and image generation.

Postscript MCP Pack — SMS marketing for Shopify.

Read-only Pour Picks bourbon and whiskey database: search bottles with tasting profiles, prices and ratings, compare bottles and find cheaper alternatives.

POWO (Plants of the World Online, by the Royal Botanic Gardens, Kew) MCP.

Islamic prayer times & calendar MCP (Aladhan API). Keyless.

PredictHQ MCP — wraps the PredictHQ Events API (predicthq.com)

Use Prefab from Claude and other AI agents: list your macOS project templates, create them, and deploy them.

MCP server for Pressa: compile LaTeX to PDF without installing TeX Live. No API key needed to start.

Finnish Patent and Registration Office (PRH) — YTJ open data MCP.

EBI PRIDE Archive MCP — proteomics (mass-spectrometry) data repository.

Upload any file, get a tracked shareable link. DocSend for AI agents.

Local MCP server that signs x402 USDC payments (Solana, EVM) to buy PrivadoVPN access

PR Newswire MCP — press releases from PR Newswire's all-releases feed.

MCP server for multi-region infrastructure diagnostics — SSL, DNS, ping, whois, traceroute, port check, latency, and geo-proxy browsing from 6 global regions

Product Hunt MCP — wraps the Product Hunt GraphQL API v2 (api.producthunt.com)

MCP server for the Profitlee ecommerce profit calculator (Amazon FBA/FBM + TikTok Shop).

Property Records MCP — address-level US property records (sales history,

ProPublica Nonprofit MCP — ProPublica Nonprofit Explorer API (free, no auth)

Human Protein Atlas (HPA) MCP — keyless.

MCP server that checks the wash-traffic / organic-revenue risk of Algorand x402 endpoints before your agent trusts or pays them. Free quick checks; paid deep reports via x402.

MCP server for ProxyLLM, the OpenAI-compatible LLM gateway. Model catalog, plan-savings calculator, routing-key introspection and provisioning, and autonomous email-OTP account signup.

ProZorro MCP — Ukraine government procurement (keyless).

PRWeb MCP — press releases from PRWeb's all-releases feed.

MCP server for the Psychosynth synthetic psychometric data marketplace — discover the catalog, fetch free deterministic previews, get x402 price quotes, and run paid queries with your own wallet.

Search Ptitchef recipes, browse ingredient categories, read ingredients, method, cost and nutrition, find dishes from fridge contents and rescale servings.

pub.dev MCP — package registry for Dart & Flutter.

PubChem MCP — NIH chemistry compound database (no auth)

MCP server for PublicAML: screen a crypto address for AML risk, trace where its money came from or went, and list its counterparties. Bitcoin, Ethereum, BSC, Tron.

MCP server for Pulse growth analytics: install the SDK and connect RevenueCat, App Store and Google Play from an AI coding agent. Runs offline over stdio.

Pulse Verity — crypto index prices that come with a PROOF.

Pulsedive MCP — threat-intelligence IOC enrichment (pulsedive.com)

Live Australian racing and sports odds from 14 AU bookmakers for AI assistants: next races with every bookmaker's price per runner, best price, settled results and market movers, each price stamped with its age.

MCP server for puzzle generation — word search generator, crossword generator, sudoku generator + solver, printable PDF worksheets, and verifiable LLM evals for Claude Desktop, Cursor, and any MCP client.

PVGIS MCP — EU Joint Research Centre PV system modeler

PyPI MCP — wraps the Python Package Index (PyPI) JSON API (free, no auth).

MCP server for runtime quality validation of AI agent outputs — hallucination detection, scope compliance, and output quality scoring

MCP Server for software testing, test case management, test execution, and defect tracking.

Video-first publishing: schedule, publish, update, delete and retry video and image posts on YouTube, TikTok and Instagram.

QR Code MCP — wraps api.qrserver.com (free, no auth)

Web data via residential proxies: page scraping to Markdown, SERP search, site crawl and map, ready-made collectors and datasets from plain-language prompts.

IBM Quantum OpenQASM 2.0 MCP server — 10 tools for backends, QASM submit, jobs & histograms. Qiskit Developer Pack ready. Cursor, VS Code, Claude Desktop, Bob, Antigravity via stdio or npx.

Search the quelllm.fr open-weights LLM catalog: compare models by parameters, VRAM per quantization, speed and license, and estimate VRAM and costs.

Inspect and operate Redis-backed Asynq and BullMQ job queues: per-state counts, decoded job payloads and errors, retry and delete, with a read-only mode.

QuickBooks MCP Pack — query customers, invoices, and accounts via QuickBooks Online API.