API Development MCP Servers

MCP servers for designing, testing and calling APIs — REST, GraphQL, OpenAPI, webhooks and gateways. Each entry is scanned with the deterministic Capability-Flow Trust Model — grades are computed, never self-reported.

Qnap Qvs PyPI
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mcp-server-qnap-qvs

MCP server for QNAP Virtualization Station (QVS) - manage virtual machines, snapshots, and disks

API Development Score 93/100 1 finding Cap. High
Restart PyPI
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mcp-server-restart

MCP server for restarting Claude Desktop

API Development Score 93/100 1 finding Cap. High
Run Python PyPI
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mcp-run-python

Model Context Protocol server to run Python code in a sandbox.

API Development Score 93/100 3 findings Cap. High
Supertonic3 PyPI
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supertonic3-mcp

MCP server for Supertonic 3 on-device text-to-speech

API Development Score 93/100 2 findings Cap. High
Talkito PyPI
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talkito

Universal TTS wrapper and voice interaction library for command-line programs

API Development Score 93/100 10 findings Cap. High
Things PyPI
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mcp-server-things

Model Context Protocol server for Things 3 task management integration

API Development Score 93/100 3 findings Cap. High
Touchpoint Py PyPI
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touchpoint-py

Cross-platform unified accessibility API for AI agents

API Development Score 93/100 4 findings Cap. High
Unist Blackboard PyPI
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unist-blackboard-mcp

MCP server for UNIST Blackboard (Learn Ultra) — session-cookie auth, read + guarded write

API Development Score 93/100 1 finding Cap. High
Avallon Labs npm
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@avallon-labs/mcp

Avallon API MCP server - generated from OpenAPI

API Development Score 92/100 1 finding 4.8k/wk Cap. High
Mocxykit npm
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mocxykit

This is an express middleware that can be used with webpack and vite. Its main function is to visualize the configuration, manage proxies, and mock data.

API Development Score 92/100 3 findings 71/wk Cap. High
Office npm
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office-mcp

A Model Context Protocol server for Microsoft Office document manipulation

API Development Score 92/100 1 finding 60/wk Cap. High
Grpc Invoke npm
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@grulex/grpc-invoke-mcp

MCP server for describing and invoking gRPC methods

API Development Score 92/100 3 findings 59/wk Cap. High
Processon npm
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@processon/mcp-server-processon

ProcessOn Markdown 思维导图生成工具

API Development Score 92/100 2 findings 36/wk Cap. High
Ames Unifi Source verified npm
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ames-unifi-mcp

UniFi Network MCP server — 310 tools for complete controller management via the Model Context Protocol

API Development Score 92/100 0 findings 26/wk Cap. Minimal
Apple Calendar npm
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apple-calendar-mcp

MCP server for Apple Calendar via native EventKit API with proper recurring event support

API Development Score 92/100 2 findings 26/wk Cap. High
Msw npm
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msw-mcp

MCP server for Mock Service Worker AI interaction

API Development Score 92/100 1 finding 24/wk Cap. High
Unbundle Openapi npm
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@auto-browse/unbundle-openapi-mcp

MCP server for splitting and extracting parts of OpenAPI specifications

API Development Score 92/100 1 finding 24/wk Cap. High
Apimemcp npm
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@neetigyashah/apimemcp

MCP server implementing a compiler pattern for deterministic web scraping and data extraction

API Development Score 92/100 3 findings 18/wk Cap. High
Easyparcel Cli npm
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@easyparcel/cli

EasyParcel CLI — a comprehensive command-line interface for the EasyParcel Open API, built for humans and AI agents.

API Development Score 92/100 3 findings 18/wk Cap. High
Gitlab Mcp Openapi npm
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@bakhshb/gitlab-mcp-openapi

2-tool OpenAPI-driven MCP server for GitLab

API Development Score 92/100 1 finding 18/wk Cap. High
Csu npm
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csu-mcp

CSU 校园 API + MCP 代理。提供教务、图书馆、校车等工具,既可作为本地 API 也可直接通过 MCP 使用

API Development Score 92/100 1 finding 15/wk Cap. High
Flowise npm
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@suamkf08/mcp-flowise

MCP server that exposes your local Flowise chatflows as tools for Claude, Cursor, and any MCP client

API Development Score 92/100 1 finding 15/wk Cap. High
Appfigures npm
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appfigures-mcp

To install dependencies:

API Development Score 92/100 1 finding 11/wk Cap. High
Agentup PyPI
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agentup

Create AI agents with all the trappings, out of the box.

API Development Score 92/100 7 findings Cap. High