MCP servers that don't fit the categories above — utilities, integrations and niche tools. Each entry is scanned with the deterministic Capability-Flow Trust Model — grades are computed, never self-reported.
Theia - MCP Integration
Auth-aware Convex component that exposes selected Convex functions as MCP tools.
Discourse MCP CLI server (stdio) exposing Discourse tools via MCP
🔥 基于 Model Context Protocol (MCP) 协议的全网热点趋势一站式聚合服务
Core framework for building MCP tools: base classes, utilities, registry
Experimental package — This module provides a set of MCP tools to retrieve information from GitHub
Agent-scoped MCP Portal server and TypeScript helpers for composable upstream MCP tools.
MCP server for interacting with your LINE Official Account
A CalDAV client using Model Context Protocol (MCP) to expose calendar operations as tools for AI assistants.
Model Context Protocol server for LikeC4
CodeCall plugin for FrontMCP - AgentScript-based meta-tools for orchestrating MCP tools
A plugin that exposes MCP tools for interacting with Backstage software templates (scaffolder).
Custom element for exposing iframe MCP tools, resources, and prompts to parent page
MCP server for individual US taxpayers - tax calculations, deduction analysis, IRS data lookup
Wrap remote MCP tools as RegisteredTool entries via @crewhaus/tool-builder
Read-only MCP server exposing the Kiwoom Securities REST API (market data, account inquiry, ISA tax-allowance calculator) to Claude Desktop / Claude Code.
A plugin that exposes MCP tools for interacting with the Backstage community RBAC plugin.
MCP server for simple interaction with OpenAI API
Model Context Protocol server for DeepSource
Expose Convex functions as MCP tools with zero boilerplate
Bounded MCP tools, resources, prompts, client callbacks, and authorized Streamable HTTP sessions.
CLI tool to create new MCP servers
The Model Context Protocol server for LiteShip: exposes the `czap` commands and capsule catalog as MCP tools that AI assistants can call.
OpenFate Bazi MCP server with deterministic Four Pillars calculation, True Solar Time, branch interactions, and reverse Bazi lookup.
A travel plan that needs tomorrow's forecast. A stack of scans that should become one PDF. An RSS feed worth watching, a QR code for a poster, a lamp that ought to dim at sunset. Real work is full of small, specific jobs like these — and for most of them a Model Context Protocol server already exists to wire the missing tool into an assistant such as Claude or Cursor. The MCP Trust Registry gathers that long tail here: utilities, integrations and niche tools too specialised for any broader category.
Few categories span endpoints this varied: public data APIs for weather, geolocation, currency and unit conversion; feed and notification services such as RSS readers and webhooks; media and document processors handling PDF generation, image conversion and text-to-speech; and home-automation platforms like Home Assistant or MQTT brokers. With one of these MCP servers attached, an assistant can enrich an answer with live external data, transform files mid-conversation, or fire a webhook that kicks off an automation — all without leaving the chat. Coding-centric needs belong in Developer Tools; scripted web interaction lives in Browser Automation.
Scrutiny is thinnest where the catalog is most varied, and a few risk patterns keep recurring:
Each listing carries an A-F Trust Score from a deterministic open-source engine that reads the published npm or PyPI package, maps its capability blast radius and attaches findings as evidence. No LLM in the loop, no paid placement, and identical input always yields the identical grade — the full scoring model is public.
Some are, some aren't — which is why everything listed here gets scanned. Check the Trust Score first, then the capability profile: a narrow blast radius plus a strong grade makes a utility a reasonable pick, while broad access on a low grade deserves manual security review first. Scores are automated opinions about published code, not certifications.