"MCP servers that don't require API keys" matching MCP connectors:

AideAOAuth via extension

app.aide

AI customer service: set up an AI support agent, search knowledge, look up orders, answer customers.

Current law as data for AI: search, read and verify statutes and citations. CIS countries first.

Lexpad – Vocabulary Notebook & FlashcardsAOAuth via extension

app.lexpad

Lexpad is a vocabulary notebook and flashcard app with spaced repetition (Leitner boxes) for learning words in 81 languages, including English, Spanish, French, German, Arabic, Turkish and Persian. Connect it to ChatGPT, Claude or any MCP client, and your assistant works with the words you collected yourself: • Save words and phrases you ask for, with meanings, example sentences and a level (A1–C2). • Find anything: browse and filter your whole notebook by due, new, struggling, starred or mastered words, level, topic or date added. • Practise: get quizzed on today's due words. Every answer counts as real review, moves the word through the Leitner boxes and keeps your streak. • Edit: fix spellings, change or reorder meanings, star or retire words. Deleting needs its own permission, and the assistant asks first. Lexpad never invents vocabulary: it only works with the words you add, by hand, from a text, or imported from Anki or a Kindle. Sign-in is OAuth on a Lexpad page; your password is never shared, and you can disconnect at any time. Works alongside the Lexpad web app and Android app. Guide and example prompts: https://lexpad.app/features/assistants

Read and manage fnlowl widgets, leads, email sequences and analytics from an AI assistant.

AI video upscaler: enhance videos to 1080p, 2K or 4K and track upscaling tasks.

Track partnership work, log mission hours, and see what needs your approval on 1lev1.com.

DirectorOAuth via extension

co.screenforge.director.api

Director lets you record polished demos of your web app from one sentence, with auto-zoom, a smooth cursor, narration and captions, and turn its product map into help articles and more.

Your prompt library in any MCP client: list, fetch, save and version prompt templates.

Give Claude Code, Codex and Grok persistent engineering memory through MCP. Save decisions, fixes and conventions with evidence across coding agents.

Persistent engineering memory designed to follow developers across coding agents.

Spacebring MCP server. Look up members, bookings, invoices, subscriptions, events and more, and take everyday actions such as creating events or replying to support tickets, from MCP-compatible AI assistants that support remote servers with OAuth.

TradeOS MCP: ticker search, My Agent, chart TA, macro news. npm stdio or HTTP.

Make faceless AI short videos from a topic, product page or image: script, voiceover, captions.

AI webmaster and marketer for small businesses: website updates via GitHub PRs and WordPress drafts, SEO audits, Search Console and Analytics, Google Business Profile, Shopify, and Meta/Google/LinkedIn/X ads, with human approval on every change. Website: https://ottowebmaster.com/mcp. By IslaIntel LLC, contact julius@islaintel.com.

Directable 3D character animation for AI agents: prompt + floor marks, paths, poses → FBX. Character motion that hits the mark. Magic Motion turns a text prompt into usable full-body 3D character animation. Direct the shot with floor marks, root paths and pose keys, check the constraints for free, then play the result or download the FBX for Unreal, Unity, Blender or Maya. Agents sign in with OAuth, so there is no API key to paste. Website: https://www.magicmotion.ai Docs: https://www.magicmotio

`graphrag-ts` is a TypeScript GraphRAG engine and a self-hosted Streamable HTTP MCP service for Markdown corpora. This Hermes entry connects to a service that the user runs on the same machine; it does not install or host the GraphRAG server.

crispyOAuth via extension

sh.crispy

Full LinkedIn access for AI agents: leads, messaging, and campaigns with activity limits built in.

Insider, Congress, 13F and federal contract filings for US stocks, each linked to its source.

Nimble MCPOAuth via extension

com.nimbleway.mcp

The Nimble MCP Server gives AI agents the ability to search, extract, map, crawl, and structure data from any website in real time. It exposes Nimble’s full web data platform as MCP tools that any compatible AI client can use.

Schedule and publish posts to 10 social platforms (X, Instagram, TikTok, YouTube, Facebook, LinkedIn, Pinterest, Bluesky, Threads, Google Business) from one account, with scheduling, media upload, per-platform overrides, and post analytics.