Skir – like Protocol Buffer but better

Why I built Skir: https://medium.com/@gepheum/i-spent-15-years-with-protobuf-t...Quick start: npx skir initAll the config lives in one YML file.Website: https://skir.buildGitHub: https://github.com/gepheum/skirWould love feedback especially from teams running mixed-language stacks.

Hacker NewsMar 8ToolDesign & CreativeSource

FL score

out of 100

Verdict

BUILD

high confidence

Competition

competitors found, mature market, funded players

Trend

1 community mentions

A 'better Protobuf' tackling specific developer frustrations in mixed-language stacks, with strong GitHub interest, but faces an uphill battle against free, incumbent big-tech solutions and an unclear monetization path.

The pain

Developers in mixed-language environments suffer from excessive boilerplate, API contract drift, accidental schema evolution mistakes leading to data loss, and difficulties sharing schema files across repositories. This is a daily frustration that wastes significant development time and introduces risk.

The gap

While established tools like Protobuf are powerful, they have specific shortcomings (e.g., JSON compatibility, boilerplate, schema management) that are not fully addressed, especially for polyglot teams. Skir aims to provide a 'modern alternative' that explicitly fixes these complaints, evidenced by its significant GitHub traction (3.3k stars).

Build angle

Build Skir as a developer tool (CLI + generator) that offers superior developer experience and robust schema management for data contracts, specifically targeting mixed-language microservices teams. Focus on preventing contract drift and ensuring seamless, type-safe communication. Consider building commercial tooling or a managed service around the core open-source library.

Strengths

Extremely clear and specific pain points for developers, validated by user frustrations research.
Founder's deep expertise (15 years with Protobuf) lends significant credibility.
Strong early validation with 3.3k GitHub stars for an open-source project.
The market for robust data contracts in distributed and polyglot systems is growing.
Addresses problems leading to data loss and significant wasted developer time.
Can be built and iterated by a solo developer.

Risks

Market is dominated by free, open-source tools from Google and Apache, making monetization extremely difficult for a direct competitor.
High switching costs for deeply embedded existing serialization tools.
Defining a clear, viable business model beyond the open-source library is challenging.
Lack of unique distribution channels beyond standard developer outreach.
The 'better than Protobuf' claim is a high bar to prove and monetize against a free, mature standard.

Next steps

Conduct in-depth interviews with teams using Skir and Protobuf to understand their willingness to pay for specific features or a managed service.
Explore potential business models: premium tooling, managed schema registry, enterprise support, advanced security/compliance features, or integration services.
Identify the 'narrowest wedge' of paid functionality that solves a critical, monetizable pain point without directly competing on the free core serialization aspect.
Focus marketing on the specific pain points Skir solves, not just 'better Protobuf,' to differentiate from incumbents.
Monitor existing GitHub usage and contributions to identify most desired features or critical pain points not yet solved by Skir.

Fly Labs Method

Is the pain real, is there a gap, is it the right time, can one person build it.

Problem clarity: 26
Solution gap: 15
Willingness to pay: 14
Buildability: 13

Skir addresses specific, severe pain points in data serialization and RPC for polyglot teams, evidenced by strong user frustrations and GitHub interest, but faces immense competition from free, established big-tech solutions.

Value Equation

Dream outcome and how likely it feels, against the time and effort it costs.

This idea has clear pain and a desirable outcome, but monetization and differentiation against free, established solutions are significant challenges for a solo builder.

One-Person Business

Curiosity pull, identity fit, and a path from free value to paid for a solo creator.

Strong creator fit and clear problem definition, but monetization for a foundational open-source tool is a major challenge.

Viral Frameworks

Hook strength, shareability, and how cheaply it can be tested.

Clear value proposition for a specific dev audience, but the business model in a free, competitive market is a significant risk.

Builder Lens

Evidence the problem exists, timing, defensibility, and a model that fits on a napkin.

Strong problem validation and clear target, but needs a narrow, paid wedge and a strong differentiator to overcome entrenched free tools.

Why this verdict

Skir has exceptional problem clarity and creator fit, addressing real, specific pains for a growing segment of developers. The existing GitHub traction is a strong signal of demand and interest. However, the market is overwhelmingly dominated by powerful, free, open-source solutions backed by tech giants. This makes a direct monetization path for a 'better Protobuf' nearly impossible. The idea is very strong in its problem identification and proposed technical solution, but fundamentally weak on the business model for a solo builder. Therefore, extensive validation is needed to find a viable, monetizable niche or value-added service around the core open-source project that can overcome the 'free' barrier. Building the core project further as open-source is a good way to get more feedback and users, but a commercial strategy must be separately developed and validated.

Five lenses, one composite. How scoring works

The angle

This weekend

Conduct in-depth interviews with teams using Skir and Protobuf to understand their willingness to pay for specific features or a managed service.
Explore potential business models: premium tooling, managed schema registry, enterprise support, advanced security/compliance features, or integration services.
Identify the 'narrowest wedge' of paid functionality that solves a critical, monetizable pain point without directly competing on the free core serialization aspect.
Focus marketing on the specific pain points Skir solves, not just 'better Protobuf,' to differentiate from incumbents.
Monitor existing GitHub usage and contributions to identify most desired features or critical pain points not yet solved by Skir.

Who is already there, mature market

Protocol Buffers (Protobuf)FundedVisit
A language-neutral, platform-neutral, extensible mechanism for serializing structured data developed by Google.
Pricing: Free and Open Source
gRPCFundedVisit
An open-source RPC framework developed by Google that leverages HTTP/2 for transport and Protocol Buffers for message serialization.
Pricing: Free and Open Source
Apache ThriftFundedVisit
A lightweight, language-independent software stack for point-to-point RPC implementation and data serialization.
Pricing: Free and Open Source
Cap'n ProtoVisit
An extremely fast data interchange format and RPC system, emphasizing zero-copy serialization.
Pricing: Free and Open Source
FlatBuffersFundedVisit
An efficient cross-platform serialization library initially created at Google for game development and other performance-critical applications, emphasizing zero-copy reads.
Pricing: Free and Open Source
Apache AvroFundedVisit
A data serialization system providing rich data structures, a compact, fast, binary data format, and schema evolution, often used in Hadoop-based systems.
Pricing: Free and Open Source
JSONVisit
A human-readable data interchange format that is easily readable by both computers and humans and supported by all modern programming languages.
Pricing: Free and Open Source
GraphQLVisit
A query language for APIs and a runtime for fulfilling those queries with your existing data, allowing clients to request exactly what they need.
Pricing: Free and Open Source

Funded players

What they charge

The existing solutions in this problem space, such as Protocol Buffers, gRPC, Apache Thrift, Cap'n Proto, FlatBuffers, Apache Avro, JSON, and GraphQL, are predominantly free and open-source. There are no direct 'pricing pages' for these core technologies as they are foundational tools rather than commercial products. However, some companies built on top of these, like AVRO Cloud for file sharing, offer tiered pricing with free starter plans and paid subscriptions (e.g., $99.99/year for Special, $144.99/year for Premium, $199.99/year for Exclusive).

What people say, 1 mentions

10 Mistakes You Should Avoid Before Your ISO 27001 or SOC2 Audit (And How to Prevent Them)
r/SaaS

r/r/SaaS

Skir – like Protocol Buffer but better

Every CEO and CFO change at US public companies, live from SEC

Simplified AI image creation tool for non-designers

µJS, a 5KB alternative to Htmx and Turbo with zero dependencies