Json Repair Python Packages

json-repair

Repair malformed JSON from LLMs, APIs, logs, and user input in Python.

jsonmend

Mends the JSON your LLM almost wrote — 5-10x faster than json_repair, true incremental streaming, open conformance corpus

repairjson

Rust-backed repair of malformed JSON for LLM-style outputs

confident-extract

Deterministic structured extraction from noisy LLM/OCR output. Zero LLM round-trips, microsecond latency, confidence score on every result. msgspec · Pydantic · dataclasses.

outputguard

Validate, repair, and retry LLM structured outputs. 13 repair strategies for common JSON malformations, JSON Schema validation, and retry-with-feedback prompts.