Who is Great Spectations for?

Great Spectations is an open-source project built for developers.

Is Great Spectations free?

Yes — Great Spectations is open source under the Open Source license and free to use.

What platforms does Great Spectations run on?

Great Spectations runs on the command line.

Is Great Spectations still maintained?

The GitHub repository shows 39 commits in the last 90 days.

What are alternatives to Great Spectations?

Similar projects tracked by PulseGate include EfficiencyNext Data Connector, CKB, and GITVERSE.

Is Great Spectations open source?

Yes — Great Spectations is open source under the Open Source license, developed on GitHub.

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Great Spectations

greatspectations.orgInfrastructure

Great Spectations is a tool that validates quotes from specifications (BOLT, BIP, RFC, or custom SPECIFICATION.md) embedded in source code comments. It detects when a spec changes and a code comment no longer matches, reports coverage of requirements, and supports multiple languages and spec formats. It is installed via pip and run from the command line to ensure faithful implementation of specifications.

Open SourceCLI

Visit greatspectations.org

Overview

5 features

Great Spectations sits in PulseGate's Developer Tools category. Drift between specification documents and the quotes embedded in source code comments during implementation. It is built as an open-source project for developers. The project is open source (Open Source). It runs on the command line.

Great Spectations first shipped in 2026. The project is developed in the open on GitHub with 39 commits in the last 90 days. Key capabilities include spec quote validation, coverage reporting, and multi-language support.

Summary written by a language model from the project’s public pages.

Spec quote validation
Coverage reporting
Multi-language support
Whitespace tolerance
Exact matching option

Built with & integrations

Runs on

CLI

Trust & compliance

License

Open Source

Verified signals

HTTPSOpen Source GitHubActive maintenance

Indexing history

What PulseGate has recorded for this listing

Indexed31 Jul · 01:24 UTC
Show HN: Great Spectations, the Spec Checker verified against its public source
Source: PulseGate · Open

Frequently asked questions about Great Spectations

What does Great Spectations do?: Drift between specification documents and the quotes embedded in source code comments during implementation. It is catalogued under Developer Tools on PulseGate.
Who is Great Spectations for?: Great Spectations is an open-source project built for developers.
Is Great Spectations free?: Yes — Great Spectations is open source under the Open Source license and free to use.
What platforms does Great Spectations run on?: Great Spectations runs on the command line.
Is Great Spectations still maintained?: The GitHub repository shows 39 commits in the last 90 days.
What are alternatives to Great Spectations?: Similar projects tracked by PulseGate include EfficiencyNext Data Connector, CKB, and GITVERSE.EfficiencyNext Data Connector CKB GITVERSE
How long has Great Spectations been around?: Great Spectations first shipped in 2026.
Is Great Spectations open source?: Yes — Great Spectations is open source under the Open Source license, developed on GitHub.

At a glance

Platforms: Cli
Languages: English
Open source: Yes (GitHub)
License: Open Source
First seen: 31 Jul 2026
Built for: developers
Model: Open source
Solves: Drift between specification documents and the quotes embedded in source code comments during implementation.

Registered as

GitHub: rustyrussell/greatspectations

Developer

Rustyrussell

Solo developer

GitHub

Open source

View on GitHub

Stars: 0
Forks: 0
Open issues: 0
Last commit: 30 Jul 2026
Commits 90d: 39
Contributors: 1
Authorship: Solo
Default branch: master

Live coverage

Identity confidence: High · 90.8
Indexed: 31 Jul 2026
Lifecycle: Alive
First seen: Jul 2026
Last seen: 31 Jul 2026

Identity audit (13)

Slug: show-hn-great-spectations-the-spec-checker-greatspectations-org
Lifecycle state recorded: 31 Jul 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 31 Jul 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 31 Jul 2026
Canonical URL: https://greatspectations.org/

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