MCP Servers Directory — Page 399

OAuth-protected JPYC wallet, transfer, and contract workflows on Polygon.

Model Context Protocol (MCP) サーバーで、無償版J-Quants APIのにアクセスするための機能を提供します。

MCP server for retrieving Japanese stock market data via J-Quants API v2

JS8Call MCP server for HF messaging: decode stream, heard stations, message traffic

AST for TypeScript, supports creating JSON representations of React components

JSDelivr Data API MCP

Package versions and CDN statistics from jsDelivr. No key required.

An MCP Server for JSer.info

JS escape sequence count, input discarded

MCP server with built-in tools across multiple domains for AI-assisted JavaScript analysis and security analysis — browser automation, CDP debugging

JS identifier charset, value discarded

JS import count, source discarded

A Model Context Protocol (MCP) server for better JS/TS development. It enables - accurate scripts use - project tooling discovery - improved background tasks

Discover exposed assets, leaked secrets, APIs & client-side vulns across your attack surface

AI-powered json ai MCP server for agents. Supports validate json, transform json, diff json....

JSON/YAML/CSV validate, diff, transform for AI agents

MCP server for JSON processing — format, validate, diff, convert, minify, query, analyze

Message Communication Protocol server for json2video API integration

Parse JSON5 (comments, trailing commas, unquoted keys) and emit strict JSON.

JSON5 comment/key shape, body discarded

Parse JSON5 (comments, trailing commas, unquoted keys) and emit strict JSON.

Repair malformed JSON from LLM/agent output; optional JSON Schema coercion. Free + x402 paid.

JSON repair & validation built for AI agents as the customer. Send possibly-malformed JSON (LLM tool-call output, another agent's message, a flaky upstream), get back parsed, schema-valid JSON.

JSON byte count, body discarded

Create, validate, edit, export (markdown/svg/png/mermaid), and search JSON Canvas files.

Check whether text is valid JSON. The body is discarded.

JSON contract registry and validator for structured LLM and agent outputs.

Generate realistic, relational synthetic JSON test data from templates, via the JsonFabrica API.

A modern online JSON formatter, validator, beautifier, and repair tool. It accepts the syntax people actually use — JSON5, JavaScript objects, and Python dicts — and normalizes everything into…

JSON-LD script count, markup discarded

JSON-LD @type count, body discarded

Validate and convert JSONL fine-tuning data across 11 AI providers. 13 tools.

JSON Lines row count, body discarded

JSONL object-line count, bodies discarded

MCP server for Python JSON logs

Fast, easy and reliable JSON MCP Server.

Turn a JSON file into an MCP server in one command, so Claude Desktop, Claude Code, Cursor or any stdio MCP client can browse and search your data.

A high-performance Rust-based Model Context Protocol (MCP) server that provides comprehensive JSON file operations optimized for LLM interactions. This server enables LLMs to efficiently read…

JSON Merge Patch key count, body discarded

JSON minify shape, body discarded

Build and run a JSONPad backend: lists, items, indexes, write rules, schema sync, history, flows.

JSONPad docs, API, SDK and CLI references, and offline checkers for write rules and flows.

JSONPlaceholder MCP — wraps JSONPlaceholder fake REST API (free, no auth)

Placeholder JSON test data. No key required.

JSON Pointer shape, path discarded

JSON Pointer token count, path discarded

An MCP server that gives AI agents tools to query large JSON files

MCP server (stdio): repair broken/malformed JSON via the AgentForge API

Repair malformed JSON, DNS lookup, extract URLs, base64, case, hash, time. Pay per call USDC Base.

Repairs malformed JSON from LLM output, validated against a schema. Paid per call via Stripe.

Repairs truncated or malformed LLM JSON outputs (trailing commas, markdown fences, unquoted keys).

1. Check if you have an existing JSON Resume 2. Analyze your codebase to understand your technical skills and projects 3. Enhance your resume with details about your current project

JSON Schema validation MCP.

JSON Schema keyword count, body discarded

Free pilot: checked JSON Schema regression examples for a limited subset; no compatibility proof.

Browse the JSON Schema Store catalog. No key required.

Validate JSON against a schema with Ajv, infer a schema from samples and diff two schemas.

Validates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC).

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

Deterministic JSON repair, validate, example-gen, schema-coerce for agents. Zero LLM, sub-10ms.