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maintenanceMCP server for validating JSON against JSON Schema and repairing malformed/invalid JSON.
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io.github.pipeworx-io
app.railway.up.json-sanity
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"Understanding and Using JSON" matching MCP servers:
- AlicenseAqualityBmaintenanceDrives a real Chromium browser to extract a page's DOM into compact Semantic JSON with Playwright-native locators, enabling AI agents to generate consistent, accurate Playwright tests.4273MIT
- AlicenseAqualityAmaintenanceMCP server exposing a "run" tool that benchmarks agent-memory backends and returns a reproducible JSON report.1Apache 2.0
dashboardbaseofficial
AlicenseAqualityAmaintenanceMCP server that validates dashboardbase setup files and widget endpoint responses against the dashboardbase JSON contract, reporting errors and warnings before deployment.2220MIT- AlicenseAqualityBmaintenanceGenerates realistic, referentially-coherent test data (SQL INSERTs, JSON, or CSV) from your database schema, resolving foreign keys and respecting constraints. Paste CREATE TABLE DDL or a JSON schema and get ready-to-run seed data with valid relationships.256MIT
- AlicenseAqualityAmaintenanceAn automated testing MCP server that converts test cases into a fixed JSON format, runs them case-by-case, and provides a visual report with review support for cases that cannot be automatically judged.70MIT
perf-mcpofficial
AlicenseAqualityDmaintenanceFact-checks and fixes AI outputs by catching hallucinations, repairing broken JSON, and correcting errors before they reach users, with tools for verification, validation, and correction.444MIT- AlicenseAqualityCmaintenanceGenerates synthetic time-series test data with configurable trend, seasonality, noise, anomalies, and multiple correlated streams, outputting JSON, CSV, or SQL.257MIT
- FlicenseAqualityCmaintenanceLocal MCP tool for understanding JSON Schema files while planning tests, summarizing types, required fields, constraints, and generating placeholder paths without copying data.2
- AlicenseAqualityAmaintenanceCLI-first API testing tool with MCP server. Tests are .tarn.yaml; failures come back as structured JSON for AI agents to branch on. Tools: tarn_run, tarn_validate, tarn_fix_plan, tarn_inspect, tarn_rerun_failed.145MIT
- AlicenseAqualityCmaintenanceGenerates schema-compliant mock data from OpenAPI JSON Schema definitions using AI, enabling seamless testing without manual fixtures.6329MIT
- AlicenseAqualityCmaintenanceProvides echo tools for testing MCP protocol functionality with message echoing, delayed responses, and JSON data analysis capabilities.31MIT
- AlicenseAqualityCmaintenanceEnables comparing Ruby hash literals and converting Ruby hashes to JSON with deterministic diff reports, running locally for privacy.215MIT
- AlicenseAqualityDmaintenanceEnables AI assistants to perform comprehensive code reviews of local uncommitted changes by combining git diffs with static analysis from linters like ESLint and TypeScript. Returns structured JSON feedback with findings, suggestions, and quality assessments powered by Google's Gemini CLI.1642MIT
- AlicenseAqualityAmaintenanceAn MCP server that returns random JSON things — people, words, values, coordinates, and an always-empty list.4MIT
- FlicenseAqualityBmaintenanceWindows桌面截图与窗口自动化工具，支持后台操作、不抢焦点，可截取窗口/屏幕、模拟鼠标键盘、点击菜单等。10
- AlicenseAqualityBmaintenanceEnables AI coding assistants to validate HTML/CSS markup using W3C APIs, perform technical SEO audits, check broken links, and validate JSON-LD schemas directly in local workspaces.28173MIT
- AlicenseAqualityBmaintenanceOne MCP endpoint, 43 tools for iOS-simulator E2E — native UI automation, Maestro flows, trustworthy oracle-ladder assertions, WebView DOM + network (JSON/HAR), and React Native debugging (Metro logs/network/state). macOS + Xcode.43523MIT
- AlicenseAqualityAmaintenanceEnables AI assistants to run, list, and analyze Lupa test suites, returning structured JSON results for debugging.49Apache 2.0
- AlicenseAqualityAmaintenanceA Stryker plugin that provides mutation testing results via a local MCP server, enabling AI agents to access the latest mutation report as a JSON resource.54,018MIT