JSPM

A robust, fault-tolerant JSON parser engineered specifically for handling malformed JSON output from AI systems and language models. Supports Chinese punctuation and international characters.

Powerful Model Context Protocol (MCP) server providing 128+ developer tools for AI agents (Claude, Cursor, Windsurf, Zed).

Agentic orchestration and semantic enforcement for structured LLM output, with native JSON repair and deterministic retries.

A developer-focused MCP server providing 17 tools for code analysis, JSON repair, encoding fix, import organization, format conversion, diff, and regex testing

Parse malformed JSON from AI/LLM responses. Handles markdown code blocks, trailing commas, comments, unquoted keys, and more.

Fix broken JSON: remove trailing commas, convert single quotes, strip comments, quote unquoted keys, and more.

Reliability layer for AI outputs: schema validation, repair, retry, fallback, and budget guards

Official SDK for the JsonFixer API — AI-powered JSON repair, validation, and schema conversion.

Official TypeScript SDK for Shim - JSON repair for LLM outputs

Production-safe JSON repair and schema validation for LLM outputs

Structured JSON output from 12 LLM providers with a single function call. Type-safe, retry-resilient, zero boilerplate.

A smart tool to repair malformed JSON strings, making them valid and parseable.

Parse, validate, and repair messy LLM outputs into clean, typed data. Like zod for AI.

TypeScript implementation of json_repair - repairs invalid JSON strings, supports CommonJS, ES modules, and universal browser/Node.js compatibility

A robust JSON repair utility for malformed JSON strings. Handles common issues from LLMs, copy-paste errors, Python-to-JSON conversions, and various format inconsistencies.

Zero-latency AI Guardrails for React. Blocks PII, repairs broken JSON streams, extracts from reasoning traces—all in the browser. Plugin system for AI-powered detection.

AI/LLM-native TypeScript validation library optimized for LLM outputs, function calling, and structured generation

The most comprehensive JSON validation and correction library for handling LLM outputs - handles markdown, single quotes, special characters, and all JSON serialization issues