"Exploring Gemini Services or Tools That Don’t Require an API Key" matching MCP servers:

Provides access to synonyms and antonyms for words through the API Ninjas Thesaurus API, enabling vocabulary enhancement and word exploration.

Enables internationalization tasks such as language detection, hardcoded string extraction, translation JSON analysis, plural rule generation, and locale-aware formatting through the Model Context Protocol.

Enables AI agents to read and write JSON translation files (i18n, i18next, react-i18next) via the Model Context Protocol.

An MCP (Multi-Agent Conversation Protocol) Server that enables AI agents to interact with Google's Cloud Translation API for translating text between languages.

Provides dictionary lookup functionality through the API Ninjas Dictionary API, allowing users to search for word definitions and meanings through natural language queries.

Provides internationalization MCP tools enabling AI agents to perform translations, locale management, and i18n operations.

Enables interaction with XTRF translation management system through their Home Portal API. Provides access to XTRF's project management, translation workflow, and client portal functionalities via natural language interface.

An MCP server providing tools for speech-to-text, translation, language detection, question answering, and text-to-speech using Sarvam AI models, enabling multilingual voice agents.

Enables access to Humanizer APIs for text humanization with multiple models including basic, easy-use, and multi-language support. Requires API key authentication.

Model Context Protocol (MCP) server for the Royal Spanish Academy (RAE) API. It allows language models to interact with RAE's dictionary and linguistic resources.

Enables AI agents to format, validate, and compare Japanese bank-transfer account names for Zengin compatibility, including half-width katakana conversion, legal-entity abbreviation rules, length checks, and reconciliation matching. All tools are read-only and offline.

Enables AI agents to repair OCR-mangled Japanese dates only when calendar validation confirms the corrected result, and to check individual dates against their era ranges.

An MCP server that integrates Kagi Translate as tools for translation, URL translation, and proofreading, requiring a Kagi API key.

An MCP server that provides access to the Similar Words API, allowing users to search for and retrieve semantically related words. It enables language-based applications to query word similarities and relationships through a standardized interface.

Connects MCP clients to a self-hosted LanguageTool HTTP instance over stdio, letting them proofread text for spelling, grammar, punctuation and style issues and to list the languages the instance supports. Returns a Markdown report grouped by category with correction suggestions, and supports language selection, stricter checking, and rule enabling/disabling.

Enables Chinese text segmentation using the jieba library with support for precise, full, and search engine modes. Provides natural language access to professional Chinese word segmentation capabilities through MCP protocol.

An MCP server that provides standardized translation services across six languages (Arabic, Chinese, English, French, Russian, Spanish) using Claude Sonnet 3.5, with support for different domains and formality levels.

This MCP gives you full control over your translation projects from start to finish. You can log in anytime to see what stage your project is in — whether it’s being translated, reviewed, or completed. You don’t have to guess or follow up via email.

An MCP server that turns an LLM API into MCP tools, providing four LLM-powered tools (ask_llm, summarize, translate, extract_json) and running locally over stdio or remotely over HTTP.

Provides translation and language detection tools to AI agents, processing text, audio, and Google Meet recordings with emotional voice style preservation via Google's Gemini Live API.