"MCP server like shadcn for adding components from other registries" matching MCP servers:

An educational MCP server that wraps the Materials Project API, exposing tools to search chemical systems, get material summaries, find semiconductors by band gap, and retrieve crystal structure facts.

Enables AI agents to invoke a local Stata installation, including a Windows Stata build under Wine on Linux and macOS, for regression analysis, econometrics, paper replication, and empirical research with command guards, resource monitoring, and automatic log capture.

Enables AI agents to manage citations in Microsoft Word via EndNote, including DOI-verified paper search, RIS import/export, and genuine CWYW IEEE citations.

A Windows-optimized server providing universal data analytics for JSON and CSV files through over 32 tools including schema discovery and interactive visualizations. It is specifically designed for seamless integration with Claude Desktop on Windows.

Enables searching for upcoming academic conferences and events from WikiCFP by keywords, returning detailed information including dates, locations, submission deadlines, and related resources.

Ask a research question; in seconds get ranked companies, vetted 10-K/10-Q passages and financials.

Free competitive pricing intelligence for SMB CPG brands. Check where any product price sits in its Amazon category, track pricing trends, and compare products — no NielsenIQ or SPINS subscription needed.

An MCP server that lets Large Language Models interact with Stata software to perform regression analysis and other statistical operations.

A tool that helps users conduct comprehensive research on complex topics by exploring questions in depth, finding relevant sources, and generating structured, well-cited research reports.

Enables LLM clients to access crop yield predictions from RGB imagery, topic-based PDF literature, and soil lab/moisture CSV data.

Enables comprehensive academic research by searching and analyzing papers from PubMed, Google Scholar, ArXiv, and JSTOR. Provides full-text access, citation management, and research organization through five powerful consolidated tools.

Standalone Model Context Protocol server for PropProfessor, plus a small query CLI for local analysis.

Enables AI agents to query Google Trends for search-interest signals, returning stable JSON envelopes with calibrated searches/day estimates, relative comparisons across keywords, related and rising queries, regional interest, and country-level Trending Now data. It also surfaces explicit status and error codes so agents can distinguish partial or failed results from real numbers.

A production-ready MCP server that gives Claude access to the entire DataForSEO API v3 through 51 tools, covering SERP, Labs, Keywords, Backlinks, OnPage, Business, and more, with cost controls and response normalization.

Allows users to search for academic conferences and events from WikiCFP by keywords, providing details such as event name, description, dates, location, and submission deadlines.

Enables interaction with LimeSurvey API to create and manage surveys, questions, question groups, activate surveys, and export responses through standardized MCP endpoints.

MCP server for analyzing transformer language model internals, exposing tools to trace attention heads and neurons responsible for predictions, get activation statistics, ablate components, and sketch circuits.

Real human judgment as agent tools -- an AI agent can ask a question and get back a structured, schema-validated JSON answer from a real quality-scored human. 16 response types (yes/no, ratings, rankings, A/B tests, sentiment, image/video/audio review, voice/video/photo capture). Fully programmatic signup with a $5 free trial credit, no card required.

RiskModels decomposes any US stock or portfolio into market, sector, subsector, and residual risk components with executable ETF hedge ratios — enabling portfolio managers to understand risk exposure and construct precise hedges programmatically.

Enables agents to compute cross-verified natal charts, verify ascendants from other tools, and inspect historical timezone data, while refusing to return unverifiable results.

Structured business intelligence for AI agents. 11.3M verified entities, 40.3M BORME mercantile acts, EU VAT validation (VIES), GLEIF LEI and healthcare registries. 12 tools.

Technographics for desktop apps (like builtwith.com)

MCP server from Compound Labs (thecompound.tech). Eleven read-only lookups over live public data: agent skills and configs, shadcn component registries, AI model pricing and routing, dependency maintenance, SaaS pricing and stack cost, AI app builder App Store readiness, ADA Title II accessibility reports, nonprofit good standing. No key, no signup. On npm as compound-mcp.

MCP server exposing AI trends, daily digests, toolbox search, and pipeline stats from cantkeepupwithai.com to MCP clients like Claude Desktop.

Searches and retrieves academic papers from open access sources like arXiv, Semantic Scholar, and PubMed, with full text access via arXiv PDFs, PubMed Central, and Unpaywall.

Enables AI agents to investigate corporate ownership, trace ultimate beneficial owners, screen sanctions, detect offshore exposure, and access fully cited dossiers from 130M+ entities across 31 global registries.

Enables agents to gather topic-level evidence from Bilibili through search, comments, transcripts, danmaku, images, frames, audio transcription, and reusable source/video registries. Supports a reproducible workflow for dual-axis source grading, surfacing conflicts, and declaring retrieval gaps.

MCP server that provides AI agents with access to public social media data, including hot lists, searches, content details, user profiles, posts, and comments from platforms like Douyin, Xiaohongshu, Bilibili, and Weibo.

Standardizes XBRL financial data from US SEC and European ESEF filings for LLM agents, enabling querying normalized financial facts like revenue and total assets across issuers and taxonomies.

Enables LLM clients to investigate Brazilian companies by CNPJ or name, mapping corporate relationships and gathering structured, source-attributed public evidence from official registries, news, social profiles, judicial proceedings, and PEP checks.