Developer Tools MCP Servers

AI-native mock API server with MCP. Create REST/SOAP mocks from Claude, Cursor, or Windsurf.

Your Nightscout glucose data, conversational.

Who sponsors a newsletter, or which newsletters a brand sponsors, from public archives.

搜尋引擎與 AI 爬蟲工具箱：搜尋指令、爬蟲驗證、收錄與 AEO 健檢。台灣繁體中文 MCP 工具。

Free AI-visibility and competitive Exposure Audit for any domain. No account, no API key.

Limited-beta App Store and Google Play review analysis, source reviews, alerts and reply drafts.

日本の住所⇄郵便番号を変換。表記ゆれも吸収。Japan address ⇄ postal code, handles messy input. Free tier, no API key.

CRM for trades: the site's own MCP server — enquiry (enquiry = a human handoff, not a purchase);...

Search, read, and ask the Nyuchi docs (docs.nyuchi.com); send feedback or raise issues.

Publish any app in one call: SQL database, functions, email, and a custom domain. Flat price.

US federal contracting data: open solicitations, buying agencies, contractors, price history.

Check any x402 endpoint before your AI agent pays it: trust grade, verdict, and hijack checks.

Manage Google Ads from Claude: read metrics, draft campaigns, publish with human approval.

Surplus lines market data, per query. U.S. E&S: premium, financials, litigation, catastrophe.

Serve a folder of Markdown notes as an MCP server: hybrid search, reading, and sourced answers.

Scrape, clean and match product and price data from any website

Buy a $2 novelty digital rock over x402 (USDC on Base). Serves payment instructions only.

MCP server for BEHAVR: remember images/videos and ask questions about them

Your AI builds live WebGPU game worlds on cartridge.cafe — guest door, no account needed.

Search Upsalt venues, check availability, and book, view, or cancel a reservation.

Own, grow and trade portable agent intelligence via TAIP/1 Packs and MCP.

Robinhood Chain data + guarded trading for AI agents: Stock Token quotes, portfolios, launches

Deterministic runtime safety for AI agents: scan PII, gate tool actions, verify LLM output.

Discover game Discord servers with direct invites, first-party source proof, platform details

AI-native Kanban board — connect Claude to claim, work and move your tasks over MCP.

コエカツの公開アンケート集計を検索・取得できる読み取り専用サーバー。登録不要。引用用の時点固定URLと出典つき。

Find local businesses with no website via OpenStreetMap, then verify them. No API keys needed.

Fail-closed refund, cancellation, return, and trial checks for 100 US subscription vendors.

Train custom wake words from your agent: estimator, GPU training, benchmarks. Card or crypto.

Locize TMS: 26 tools for translations, TM/glossary/styleguide/screenshot context, versions. OAuth.

Fuzzy entity resolution and dedupe for names, addresses, and company records. $0.02/call via x402.

10 pay-per-call tools for AI agents: QR, screenshots, DNS, OCR, PDF, email & more. USDC on Base.

Paid EU AI Act compliance reports for agents. $1.50 per call via x402 (USDC on Base) or Stripe.

Reasonbook: decisions that survive the session, in a local record AI agents keep.

Tabler.io for AI assistants: search 5,000+ icons, UI components, layouts, themes and docs.

SigRank benchmark MCP: cascade metrics, leaderboard, operator profiles, simulation, diagnostics.

A searchable knowledge base your assistant reads and writes.

wFirma.pl (Polish accounting) via MCP: invoices, contractors, payments, reports. Full read-write.

Cron-as-a-service MCP. Schedule prompts; when the cron fires we POST to your callback URL.

Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.

Browse, deposit, withdraw & rebalance stablecoins on Aave, Morpho & Euler across major EVM chains.

Build, publish, capture leads from, measure and improve landing pages from your AI assistant.

Stivio MCP server - AI image-to-video generator via MCP.

Build and manage AI-native customer support agents from Claude or any MCP client.

Deterministic CMS NCCI/MUE claim scrubbing and CARC/RARC denial explanations, cited to source.

Search, follow and read published public tender notices with sources, plus Zephior resources.

Free static QR codes (PNG or SVG) that never expire, for URLs, WiFi, vCards and text. No account.

Cloud iOS simulators and Android emulators your agent can create, drive, and throw away.