"A coding assistant that references online package documentation when writing code" matching MCP servers:

Content writing toolkit for headline generation, readability scoring, tone analysis, outline building, and plagiarism similarity checking.

Provides real-time retrieval of official documentation for LangChain, LlamaIndex, and OpenAI. It enables context-aware coding by fetching the latest API references and guides directly into Claude via the Model Context Protocol.

Provides phone intelligence for AI voice agents, enabling inbound caller identification, outbound risk assessment, line type detection, and do-not-contact checks via four read-only MCP tools.

Verifies npm package names for safety, detecting typosquats and nonexistent packages before your coding agent installs them.

Provides verified event dates, countdown semantics, and custom countdown sharing from Countdowns Online to MCP-compatible AI clients.

A comprehensive MCP server for checking package versions and rating package quality across Python (PyPI), JavaScript/TypeScript (npm), Dart (pub.dev), and Rust (crates.io) ecosystems.

Zero-config MCP server for SharePoint Online that enables managing sites, pages, navigation, and branding via natural language, with automatic device code authentication and no Azure registration required.

Fetches up-to-date documentation for any npm package directly in your IDE by retrieving README files from GitHub repositories or package tarballs. Provides real-time access to current package documentation and API information.

An MCP server that provides AI agents with real-time package health data, vulnerability reports, and dependency graphs from PyPI and OSV.dev.

Hosted MCP server for Exact Online. Ask questions, pull reports, and prepare bookings you approve first.

Enables AI agents to analyze whether they should send an email, evaluating passive aggression and regret probability with a recommendation heavily weighted toward no.

Enables AI assistants to search and retrieve detailed package information from multiple package registries (NPM, crates.io, NuGet, PyPI, Go).

Enables agents to query whether a WordPress plugin, npm package, or PyPI project looks abandoned, returning a live abandonment-risk score, status, and the registry signals behind it, plus raw registry, GitHub, and version history detail. Calls are paid per request in USDC via x402, with free discovery and source-listing tools.

Provides software supply-chain intelligence for AI agents, enabling them to query package metadata, versions, downloads, dependencies, and health signals for npm, PyPI, and crates.io packages without API keys.

Provides complete coverage of the QuickBooks Online Accounting API v3, enabling queries, financial reports, sales and expense management, and write operations with deployment-controlled access.

Enables reading and creating invoices, and looking up customers and items in QuickBooks Online via natural language.

A Model Context Protocol server for querying package registries (npm, PyPI, crates.io) to retrieve metadata, release timelines, and maintenance signals.

An official MCP server for Online Tone Generator. Discover audio frequencies for instrument tuning, acoustic testing, meditation, and generate direct listening links.

An MCP (Model Context Protocol) server that provides OSINT (Open Source Intelligence) capabilities for EVE Online using multiple APIs including ESI, EveWho, and zKillboard. This server allows AI assistants to gather comprehensive intelligence on EVE Online characters, corporations, and alliances by

Enables AI clients to retrieve verified countdown event dates, semantics, and FAQ from Countdowns Online, allowing users to browse event categories and understand date contexts without API keys.