MCP Server Registry

MCP server for Google Analytics Data API

A MCP Server for Google Analytics Data API

The Gemini CLI confirmed that the MCP server built with Google Apps Script (GAS), a low-code platform, offers immense possibilities. If you've created snippets for GAS, these could be revitalized and/or leveraged in new ways by using them as the MCP server. The Gemini CLI and other MCP clients will be useful in achieving this.

Example MCP server written with TS FastMCP framework. Currently expose only `Get Current Date & Time` Tool, and covers it with unit tests. Ready for fruther extention.

SEC EDGAR signal intelligence for AI agents. Five tools that pre-compute the signals that matter: - get_company_filings_summary — filing velocity (ACCELERATING/NORMAL/SLOWING vs 365-day average), material event count, disclosure trend - get_insider_signal — Form 3/4/4A insider activity probe with derived signals - get_institutional_signal — SC 13D activist risk flag (live), recent filings, 13F flow - get_material_events_digest — 8-K item-level severity digest (RED/YELLOW/GREEN), red-flag count - compare_disclosure_signals — side-by-side comparison of 2-5 companies with derived "winners" Synthesized and pre-computed — not raw EDGAR passthrough. All returned as structured JSON. No API key required (SEC data is public). Pricing: tool-call $0.005 (cheap), tool-call-standard $0.05, tool-call-premium $0.50, metered via Apify Pay-Per-Event. Bring your own Apify token (free to create) — all billing runs through your Apify account. Source: github.com/toolstem/toolstem-sec-mcp-server · npm toolstem-sec-mcp-server v0.1.2 Pairs with Toolstem Financial Intelligence for stock quotes, financials, earnings, and analyst data.

Scans MCP servers for prompt injection, data exfiltration, and privilege escalation vulnerabilities.

Democratizing AI scientists with ToolUniverse

Converts verbose JSON structures to compact TOON format, achieving 40-60% token reduction while maintaining complete data integrity through intelligent pattern detection and automatic compression strategy selection.

Context compression plugin for Claude Code. Trims large JSON, logs, stack traces, and source files before they enter the context window.

MCP server for converting JSON ↔ TOON to reduce LLM token usage.

An MCP server and utilities for converting JSON and system prompts to TOON format and back.

Reduces LLM context by removing code comments and converting data formats to compact TOON notation.

MCP server for the Top.gg v1 API

Atom-grounded negotiation reasoning. Typed topology slot, inline citations, public dialect.

A flexible academic paper search and analysis service for top conferences with MCP protocol support

# TopYappers Social media intelligence for AI agents. Access viral content discovery, influencer search across TikTok, Instagram & YouTube, and trending song charts — all through a single MCP connection. ## What it does TopYappers gives AI agents real-time access to social media data across three domains: - **Viral Content** — Discover trending TikTok posts filtered by category, country, virality score (views÷followers), date range, music/sound, and opening hooks. Understand what's going viral and why. - **Creators & Influencers** — Search a database of 30M+ creators across TikTok, Instagram, and YouTube using 20+ filters including AI-analyzed niches, promoted products, follower ranges, engagement rates, country, language, and hashtags. Creator search is free — you only pay when fetching full profiles. - **Trending Songs** — Access weekly song chart rankings by country, track new chart entries, search by title or artist, view historical performance, and compare charts week-over-week. ## Tools | Tool | Description | Cost | |------|-------------|------| | `search_viral_content` | Find viral TikTok posts by category, country, views, virality score, dates, music, hooks | 1 credit/result | | `search_creators` | Search influencers across TikTok, Instagram, YouTube with 20+ filters | **Free** | | `get_creator_profiles` | Fetch full creator profiles — followers, engagement, email, bio, niches, promoted products | 1 credit/creator | | `search_videos` | Search videos by engagement metrics, hashtags, text in descriptions | 1 credit/video | | `get_song_rankings` | Country or global trending song chart rankings | 10 credits | | `get_new_song_entries` | Newly charting songs that just entered rankings | 10 credits | | `search_songs` | Search songs by title or artist name | 10 credits | | `get_song_history` | Track a song's chart performance over time | 10 credits | | `compare_song_rankings` | Compare song charts between two weeks | 10 credits | | `get_song_countries` | List available countries for song data | 10 credits | | `get_song_weeks` | List available weeks for a country | 10 credits | ## Use cases - **Influencer marketing** — Find creators in specific niches who match a brand's target audience, with contact emails and engagement data - **Content strategy** — Analyze what's going viral in your category to inform content creation - **Trend monitoring** — Track trending songs and sounds before they peak, ideal for music marketing and content timing - **Competitive intelligence** — Discover which products competitors are promoting through influencers - **Market research** — Understand engagement patterns across countries, categories, and platforms ## Key features - **Credit-efficient design** — Creator search is free; agents find matching IDs first, then only fetch profiles for relevant creators - **Rich filtering** — 20+ filters for creators including AI-analyzed `nichesToPromote` for semantic niche matching - **Cross-platform** — Single interface for TikTok, Instagram, and YouTube data - **Built-in agent guidance** — Includes detailed instructions and prompt templates to help agents use tools effectively - **No data stored** — API keys are forwarded as Bearer tokens; nothing is stored on the server ## Authentication Requires a TopYappers API key passed as a Bearer token in the `Authorization` header. Get a key at [topyappers.com/profile](https://www.topyappers.com/profile). ## Links - [TopYappers Platform](https://www.topyappers.com) - [API Documentation](https://docs.topyappers.com) - [MCP Documentation](https://www.topyappers.com/mcp) - [GitHub](https://github.com/topyappers/topyappers-mcp)

Non-custodial execution primitives for Solana. Best-execution routing across Jupiter Perps, Pacifica, Drift, and Flash Trade. 1 bps to open. Everything else is free. Your agent decides. Toreva executes. Every action receipted. Execution only — not financial advice.

Japan locale APIs for AI agents: wareki, invoice, corporate, postal, romanization. Free, no auth.

SEP490 - Torii Nihongo - WebRTC-based live classes and FastMCP-powered AI feedback solution for a Japanese Learning Center

📦 Unofficial library, CLI tool, and MCP server for the Tori.fi marketplace.

Toromarket MCP server — AI agent tools for prediction markets

MCP server for accessing Toronto Open Data through the CKAN API