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MCP servers by NimbleBrainInc
NimbleBrainInc publishes 15 live MCP servers on GitHub. Listed by trust score; the score reflects each repository's own health, security checks, and documentation.
Upjack
Declarative AI-native application framework — schema-driven entities, Markdown skills, MCPB packaging
Synapse
Agent-aware app SDK for the MCP ext-apps protocol
Mpak Trust Framework
MTF: An open security standard for MCP server bundles. Defines compliance levels, controls, and verification methods.
Echo
A Model Context Protocol (MCP) service that provides echo tools for testing MCP protocol functionality.
Finnhub
MCP server for Finnhub API - real-time stock quotes, company profiles, financial metrics, and market news.
Ipinfo
MCP server for IPInfo API - IP geolocation, ASN lookup, privacy detection, and domain intelligence.
Massive
Massive (formerly Polygon.io) MCP server — market data, technical indicators, SEC filings
Nimblebrain Docs
[ARCHIVED → NimbleBrainInc/nimblebrain] Documentation site for NimbleBrain — now lives in the runtime repo under docs/
Synapse Collateral
Collateral Studio — Typst-powered document generation with brand-aware templates and live preview
Synapse Hello
Hello World Synapse App — reference implementation for MCP apps with UIs
Synapse Astro Editor
Natural-language editor for Astro websites — chat-driven edits, live preview, auto-commit, one-click publish. NimbleBrain Synapse app.
Granola
[Archived] Removed from mpak — use Granola's native remote MCP endpoint.
Bookmarks
Build your first remote MCP server on the 2026-07-28 spec: a bookmarks server in Python with FastMCP 4, one lesson per pull request
Openweathermap
OpenWeatherMap MCP Server
Deepl
DeepL MCP Server