PulseGatePost-LLM software, agents & workflows market (since 2022)
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7-day average

Indexed today: 1,153

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jsonl-contract-check
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jsonl-contract-check

github.com·Infrastructure

Validate JSONL records against lightweight field contracts.

Open SourceMIT
WebCLISelf-hosted
J
jsonl-contract-check preview
Visit github.com↗

Overview

5 features

In the CLI tools & terminal space, jsonl-contract-check takes a focused approach. It automates validation of JSONL data files against defined field contracts for developers and data engineers. jsonl-contract-check is an open-source project aimed at developers and data engineers. The project is open source (MIT). It runs on the web and the command line, and it can be self-hosted.

It is developed by iwaheedsattar, and the product first shipped in 2026. Across PulseGate's embedding index, jsonl-contract-check has few near neighbours, marking it as relatively distinct. Among its 5 catalogued features are JSONL validation, schema enforcement, and command-line interface.

  • ✓JSONL validation
  • ✓Schema enforcement
  • ✓Command-line interface
  • ✓Lightweight contracts
  • ✓Open source

Tags

jsonl-validationcli-toolschema-checking

AI capabilities

Weights: Open

Built with & integrations

Runs on
BrowserCLISelf-hosted

Trust & compliance

LicenseMIT
Verified signals
✓ HTTPS✓ Open Source✓ Free tier✓ GitHub

Recent events

Latest indexed changes and source events

  1. IndexedJun 16, 9:25 AM

    pypi.org discovered by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about jsonl-contract-check

What is jsonl-contract-check?
Jsonl-contract-check automates validation of JSONL data files against defined field contracts for developers and data engineers. It is catalogued under CLI tools & terminal on PulseGate.
Who should use jsonl-contract-check?
jsonl-contract-check is an open-source project built for developers and data engineers.
Does jsonl-contract-check have a free plan?
Yes — jsonl-contract-check is open source under the MIT license and free to use.
What platforms does jsonl-contract-check run on?
jsonl-contract-check runs on the web and the command line. It can also be self-hosted.
Is jsonl-contract-check still active?
PulseGate's automated liveness checks currently classify jsonl-contract-check as active.
What tools are similar to jsonl-contract-check?
Similar tools tracked by PulseGate include datacontract-cli, contract-lint, and LOBSTER Tool for JSON.datacontract-clicontract-lintLOBSTER Tool for JSON
Who develops jsonl-contract-check?
jsonl-contract-check is developed by iwaheedsattar.
How long has jsonl-contract-check been around?
jsonl-contract-check first shipped in 2026.

At a glance

Platforms
Cli
Languages
English
Open source
Yes (GitHub)
License
MIT
First seen
May 26, 2026
Activity
🟢 Active
Status
🟢 Active
Built for
developers and data engineers
Model
Open source
Solves
Automates validation of JSONL data files against defined field contracts for developers and data engineers.

Developer

iwaheedsattar
↗ GitHub

Open source

View on GitHub →

PulseGate index

Confidence
Medium · 78
Indexed
Jun 16, 2026
Lifecycle
Alive
Activity
Active
First seen
May 2026
Last seen
4w ago
Freshness
Unknown
Identity audit (9)
Entity ID
cmqgfuday02guv60359x58gqp
Slug
jsonl-contract-check-pypi-org
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jun 16, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jun 17, 2026
Canonical URL
https://github.com/iwaheedsattar/jsonl-contract-check

Similar apps

Other apps tracked under the same category.

  • datacontract-cli
    pypi.org
  • contract-lint
    pypi.org
  • LOBSTER Tool for JSON
    pypi.org
  • zod-openapi-contract-lint-kit
    github.com
  • openclaw-cron-lint
    github.com
  • xlodit
    pypi.org