27 #json MCP Servers & Clients

JSON MCP

VadimNastoyashchy

JSON MCP Server

JSON Logs MCP Server

mfreeman451

MCP server for Python JSON logs

Toon Token Optimizer

elminson

MCP server for TOON (Token-Oriented Object Notation) - Reduce LLM token usage by 50-70%

AI Coreutils — JSON-first CLI for Agents

caseSHY

AICoreUtils 是一个面向 LLM Agent 的 JSON 优先命令行工具包原型。

Converts complex information between diverse formats including JSON, CSV, PDF, and Excel. Restructures nested data architectures using simple path mapping for easier analysis. Simplifies data migration and document processing tasks across various platforms.

Model Context Protocol and Fireproof Demo: JSON Document Server

MCP-Mirror

Mirror of

23 MCP tools for AI agents. 13 free developer utilities (UUID, JSON, Base64, hashing, JWT, regex, cron, ETH). 7 paid creative tools. Browse and buy from 218+ digital goods across 22 shops at substratesymposium.com. Free tools get agents in the door, the cultural district keeps th

🌐 i18n MCP Server

reinier-millo

MCP server for handling i18n JSON files

A comprehensive JSON Schema validation server implementing the Model Context Protocol (MCP) with support for JSON Schema Draft 2020-12, external references, schema management, and real-time streaming validation.

Text Summarizer

garyedgington

Text Summarizer condenses long-form content into structured, actionable summaries so AI agents and applications can work with information faster and at lower cost. Feed it meeting notes, research articles, documentation, JSON payloads, or Markdown files and get back a clean summa

Local-first MCP server exposing 163 Textavia developer utilities for JSON formatting and validation, Base64 encode/decode, CSV conversion, Markdown tables, regex testing, hashing, text cleanup, case conversion, random values, timestamps, privacy scrubbing, and developer conversio

This project exposes the powerful Chepy data transformation library as an MCP server. It allows you to access Chepy's tools (like encoding, decoding, and data manipulation) via a single flexible API: the bake pipeline tool, inspired by CyberChef.

Data Formatter

garyedgington

Converts CSV to JSON, XML to JSON, or Markdown to HTML. Optionally validates the output and returns a structured error report — useful for catching malformed conversions before they hit downstream systems. $0.005 per call.

chatExcel - 基于模型上下文协议（MCP）的Excel智能处理与数据分析服务器，专为Excel文件智能解析、数据处理、代码执行以及交互式图表生成而设计。支持复杂Excel格式处理、智能参数推荐、代码模板生成和高级数据可视化。

Turn any URL plus a schema into validated, typed JSON via the Extracto API.

Schemacheck Agent

garyedgington

SchemaCheck Agent validates JSON payloads against JSON Schema Draft 7 and 2020-12 standards. Designed for agent-to-agent workflows, it returns structured validation results instantly — including field-level error paths, human-readable summaries, and optionally a corrected payload

JSONBuddy Data Validator

Clemens-U

This project provides an MCP-compatible interface for the JSONBuddy Core API, enabling JSON validation against schemas via a secure HTTP-based service. The server exposes two endpoints (`/validator/validate` and `/validator/validate-simple`) for flexible schema validation scenari

Production remote MCP server with exactly 100 bounded tools: 85 paid tools and 15 free tools for text, JSON, encoding, identifiers, numbers, dates, URLs, validation, and secure web intelligence. Paid calls are charged on

A Model Context Protocol (MCP) server that provides tools for fetching and extracting JSON data from URLs using JSONPath patterns.

Excel To JSON MCP By WTSolutions

he-yang

The Excel to JSON MCP (Model Context Protocol) provides a standardized interface for converting Excel and CSV data into JSON format using the Model Context Protocol. This MCP implementation offers two specific tools for data conversion:

Json To Excel By Wtsolutions

he-yang

The JSON to Excel MCP (Model Context Protocol) provides a standardized interface for converting JSON data into CSV format string using the Model Context Protocol. This MCP implementation offers two specific tools for data conversion:

x402 micropayment API for AI agents. Validates and formats JSON data. Pay per call with USDC on Base.

A headless data transformation agent that converts between 52+ format pairs including JSON, CSV, XML, YAML, TOML, HTML, Markdown, PDF, Excel, DOCX, and aviation formats (METAR, TAF, NOTAM). Discovered by AI agents via MCP, Google A2A, and OpenAPI. First 100 requests free, then pa

A powerful MCP server for JSON operations: pretty-print, minify, validate, diff two JSON objects, query with JSONPath, transform with templates, and generate JSON Schema. 6 tools, deployed on Cloudflare Workers with Streamable HTTP transport.

Pro-Sanity: Your Go-To Repository for All Things Sanity

Shubx23

Total Sanity Project-perfect repository for defining utilities, fields, component schemas, documents in sanity. Here everything you need for sanity configuration, project building.

🛠️ Registry: A Community-Driven Registry Service for Model Context Protocol (MCP) Servers

AlejandroVelezGuillermo

The MCP Registry offers a centralized service for managing Model Context Protocol server entries. 🌐 Join us in shaping this project and explore the features through our RESTful API! 🚀