Developer Tools MCP Servers

Sex offender API: one call searches 58 US registries

Render HTML, URLs, and templates to PDF. AI drafts templates and fixes them from logs.

Deterministic writing filter. Marks 43 AI patterns with the line and the fix.

Monitorea precio y stock en Mercado Libre y avisa cuando baja o vuelve a haber stock.

Self-hosted persistent sequential thinking with private history and MCP App visualization.

Audit MCP configs and skill files for over-broad scope and injection risk. 6 of 8 free.

Search ORCID researcher profiles, retrieve works, and export citations

Readiness audits, Search Console, keyword research, and SEO drafts into a review queue.

Measured x402 ecosystem data, facilitator reliability, and live endpoint checks.

Полное покрытие API Яндекс Метрики: Stat, Management и Logs — 108 методов, 108 инструментов

Massa de teste brasileira válida: CPF, CNPJ, cartão, conta e mais, em CSV, JSON, SQL ou Excel.

NCI Thesaurus concepts and the other cancer-research vocabularies served by NCI Enterprise…

Knots to km/h

Jungle Scout MCP server: keyword volumes, product database, sales estimates, share of voice

Query NPS, CSAT, CES, and PMF survey results, responses, and links for your UserVane project.

Access Korea’s G2B procurement and Nara Market data for bid notices, awards, contracts, statistics…

ISO week number

Unofficial read-only Fidibo: search Persian ebooks and audiobooks, compare prices, free books.

Independent security review for AI-built apps. Watch a GitHub repo. Never a patch.

Add voice answers to open-ended survey questions; create projects, get snippets, read transcripts.

Keyless local MCP server for QA: standards retrieval, effort estimation, doc review, test analysis.

Web scraping runtime for agents: parsers, scrapes, batches, crons, and SQL databases.

A2A TrustGate: 4-gate firewall that screens every AI-agent action before it runs. 50 tools.

AI background removal: full-resolution transparent PNGs, single or batch, 50 free credits/month.

Financial market, fundamental, valuation, risk, ownership, forecast, and portfolio tools.

EDN collection count, body discarded

MCP server aggregating hot-search boards from 8 Chinese platforms (Weibo, Zhihu, Bilibili, Douyin).

Read-only directory of vetted AI implementation agencies from the Ashton & Forge marketplace.

AI planner: your calendars, to-dos, goals and booking links. Changes wait for your yes.

Build proven high converting product showrooms and websites from your existing ecommerce catalog

MCP server for China Railway 12306 ticket availability: schedules and seats by Chinese station name.

Read, search and add notes in your ThreadPage threads. On Free it adds notes to your Inbox.

Tiny sphere-physics engine for three.js games: spawn, step, raycast, InstancedMesh-ready positions

Look up domain reputation snapshots and AI crawler policy from Domduck's public store.

MCP server for current weather and multi-day forecasts worldwide, Chinese city names and output.

MCP server for VK API — wall posts, news search, users, groups. 4 tools.

Cookieless web analytics: traffic, sources, AI referrals, funnels, heatmaps and web vitals.

Common IANA timezone names for clock calls.

Build surveys, read answers and make reports in WebAsk from an AI assistant.

Construction data API for AI agents: calculators, codes, costs, products, benchmarks.

Check a package version for known vulnerabilities and Packagist release facts.

Dog-specific aging tools: HAGR dog rows, dog orthologs, dose translation, DAP codebooks, FDA FOI.

Decide whether an agent should reuse cached URL knowledge or fetch the resource again.

Deterministic engines for Turkish law: labor claims, accident damages, sentence execution, fees.

Search ProfitStore (profitstore.gr, Greece) products: current price, stock and product links.

Convert and compare dates and times across any timezone with flexible, locale-aware formatting. Ad…

MCP server that reverse-engineers a locked rebuild spec from an existing app.

AmanChain: quantum-resistant x402 payments. Remote MCP, 50 paid services. USDC on Base or AMAN.