Repair malformed JSON from LLMs, APIs, logs, and user input in Python.
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Updated
Oct 29, 2026 - Python
Repair malformed JSON from LLMs, APIs, logs, and user input in Python.
High-performance Go library for repairing invalid JSON documents, tuned for LLM-generated output
Repair JSON! A Java library for fixing JSON anomalies generated by LLMs.
Validate, repair, and retry LLM structured outputs. 13 repair strategies for common JSON malformations, JSON Schema validation, and retry-with-feedback prompts.
A practical, multi-layered JSON repair library for Elixir that intelligently fixes malformed JSON strings commonly produced by LLMs, legacy systems, and data pipelines.
Repair invalid JSON strings by automatically fixing common syntax errors
Vendor parameter translation and deterministic JSON repair for DeepSeek Harness: /translate maps temperature/top_p/max_tokens/stop/system across 11 vendors, and the post-execute repair layer (plus fix_json) fixes broken JSON tool output without ever fabricating data
Repair invalid JSON documents in Ruby: malformed LLM output, missing quotes and commas, unquoted keys, Markdown fences, NDJSON, comments, and more.
GenPark AI Agent Skill - Fault-tolerant LLM tool call payload repair, unescaped quote sanitization, and markdown codefence stripper.
π§ Kotlin Multiplatform library for parsing and repairing partial/incomplete JSON strings. Perfect for handling streaming JSON from LLMs like ChatGPT. Features real-time JSON completion, robust error handling, and pure Kotlin implementation. Supports parse incomplete JSON into objects and complete/repair partial JSON to valid format.
GenPark AI Agent Skill - Fault-tolerant LLM tool call payload repair, unescaped quote sanitization, and markdown codefence stripper.
Recursive JSON schema validator and autonomous healer repairing type mismatches, missing defaults, and broken LLM outputs
Strict JSON schema validator with streaming partial JSON repair, missing field filling, and sanitization
Enforces strict JSON schema validation on model outputs and autonomously repairs malformed JSON syntax, trailing commas, and unclosed quotes | GenPark: https://www.genpark.ai | LinkedIn: https://www.llinkedin.com/company/92955550
Recursive JSON schema validator and autonomous healer repairing type mismatches, missing defaults, and broken LLM outputs
Repairs malformed LLM JSON outputs by stripping markdown fences and trailing commas while validating required schema keys
Repairs malformed LLM JSON outputs by stripping markdown fences and trailing commas while validating required schema keys
Strict JSON schema validator with streaming partial JSON repair, missing field filling, and sanitization
Enforces strict JSON schema validation on model outputs and autonomously repairs malformed JSON syntax, trailing commas, and unclosed quotes | GenPark: https://www.genpark.ai | LinkedIn: https://www.llinkedin.com/company/92955550
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