LLM Output Guard | JSON Schema Validation for Agent Output

LLM Output Validator: JSON Schema + Repair Hints

codeclouds/llm-output-validator

Validate LLM/tool-call JSON output against a JSON Schema (draft-07 or 2020-12) — get machine-readable error paths, concrete repair hints per error, and optional deterministic normalization/repair.

JSON Schema Validator for AI Agents | validate_json_schema

scryptex_labs/validate-json-schema

Agent-ready: JSON string + optional schema in → valid/repair/errors with agentHints out. USE WHEN: pipeline validation, LLM output repair, tool chaining. MCP twin at scryptexlabs.com.

Fix messy LLM and agent outputs into clean, machine-usable JSON. Repair common structured-output breakage, return a repair report, and fail honestly on ambiguous cases.

Validate Dataset(s) with JSON Schema

jaroslavhejlek/validate-dataset-with-json-schema

This Actor validates items in one or more datasets against a provided JSON Schema. Use it if you planning to add a dataset validation schema to your actor and you want test it.

Structured Web Extractor - JSON Schema with Evidence

leadproof/structured-web-extractor

Turn public web pages into records that match your JSON Schema. Every value carries its evidence: the JSON-LD path or the exact quote it came from. Values without evidence are rejected, and required facts that are missing leave the record partial.

JSON Repair, Normalize & Schema Checker

dravara/json-medic

Paste broken JSON, JSONL, or a fenced model response. Repair syntax, normalize keys, coerce safe primitives, and validate a bounded schema subset without AI. Run the prefilled example.

Repair malformed JSON into valid JSON. Returns the repaired JSON text, parsed value, and a changed flag. Designed for reliable automated workflows with no LLM, proxy, or external API keys required.

Validate agent JSON against JSON Schema and return deterministic repairs as RFC 6902 patches.

iFixit Repair Guide Scraper - DIY Repairs

lulzasaur/ifixit-scraper

Scrape iFixit repair guides and teardowns. Search by device or repair type. Extract step-by-step instructions, tools, parts, difficulty ratings, and images.

Google Trends Scraper — Reliable, Never Charges for Empty Runs

0xgollum/reliable-trends-scraper

Pulls Google Trends interest-over-time and related queries for your keywords. Built around one rule: if a keyword comes back empty after retrying across multiple residential-proxy sessions, it is logged as a failure and skipped - never billed. No more paying for runs that silently return nothing.