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copyleftdev
GitHub creator profile

copyleftdev

Repository-level view of 127 collected skills across 10 GitHub repositories.

skills collected
127
repositories
10
updated
Aug 22, 2026
Showing the top 8 repositories here; full repository list continues below.
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Repositories and representative skills

fielding-rest
software-developers

Design network-based software architectures using Roy Fielding's REST principles. Emphasizes the constraints of the web—statelessness, cacheability, uniform interfaces, and HATEOAS. Use when designing web APIs that must endure for decades.

Mar 9, 2026
lane-api-evangelist
software-developers

Design APIs using Kin Lane's "API Evangelist" philosophy. Emphasizes Design-First (OpenAPI), governance, treating APIs as products, and the political/business impact of interfaces. Use when building public platforms or large-scale internal ecosystems.

Mar 9, 2026
mendez-async-api
software-developers

Design event-driven architectures using Fran Méndez's "AsyncAPI" philosophy. Emphasizes Event-First design, treating message contracts with the same rigor as REST (AsyncAPI spec), and decoupling producers from consumers. Use when building message buses, IoT…

Mar 9, 2026
hashimoto-cli-ux
software-developers

Design CLI tools in the style of Mitchell Hashimoto, founder of HashiCorp. Emphasizes consistent command patterns, helpful error messages, progressive disclosure, and machine-readable output. Use when building command-line tools that developers will love.

Mar 9, 2026
helland-distributed-data
software-developers

Design scalable data systems in the style of Pat Helland, distributed systems veteran from Tandem, Microsoft, and Amazon. Emphasizes life beyond distributed transactions, idempotency, and practical patterns for data at scale. Use when building systems that…

Mar 9, 2026
pavlo-database-performance
software-developers

Optimize databases in the style of Andy Pavlo, CMU professor and database performance expert. Emphasizes understanding internals, benchmarking rigorously, and making informed architectural choices. Use when tuning query performance, designing storage engines,…

Mar 9, 2026
stonebraker-database-architecture
software-developers

Design databases in the style of Michael Stonebraker, Turing Award winner and creator of Ingres, Postgres, VoltDB, and Vertica. Emphasizes clean architecture, separation of OLTP/OLAP, and building systems that last decades. Use when designing database…

Mar 9, 2026
s2-geometry-spatial-indexing
software-developers

Index and query geospatial data using Google's S2 Geometry library. Emphasizes hierarchical cell decomposition, Hilbert curves for locality preservation, and efficient spatial operations on spherical geometry. Use when building location-based services,…

Mar 9, 2026
Showing 8 of 101 collected skills.
crawl-verify
software-developers

Verify determinism of a crawl by running it twice with the same seed and comparing artifacts. Use after implementing or modifying frontier, fetch, or artifact code.

Apr 11, 2026
envelope-audit
software-quality-assurance-analysts-and-testers

Audit ExecutionEnvelope implementations for completeness and immutability. Use when modifying the envelope crate or reviewing fetch code that constructs envelopes.

Apr 11, 2026
frontier-sim
software-developers

Simulate deterministic frontier scheduling for a set of URLs and seeds. Use to verify ordering, politeness, and priority behavior without performing actual fetches.

Apr 11, 2026
invariant-check
software-quality-assurance-analysts-and-testers

Audit Rust source code against Palimpsest's Six Laws. Use when reviewing code changes, before commits, or when asked to verify invariant compliance across the codebase.

Apr 11, 2026
replay-test
software-quality-assurance-analysts-and-testers

Run replay fidelity tests — verify that stored artifacts can reconstruct the original HTTP exchange, DOM state, and resource graph. Use after modifying artifact, storage, or replay crates.

Apr 11, 2026
sentinel
software-developers

Monitor Anthropic public changes — docs, SDK releases, API updates, status incidents. Use to check for recent changes that may affect this project's tooling, dependencies, or AI-native output capabilities.

Apr 11, 2026
shadow-compare
software-quality-assurance-analysts-and-testers

Compare Palimpsest shadow-mode output against legacy crawlers (Heritrix, Brozzler, Warcprox). Use during Phase 1 migration to validate artifact equivalence.

Apr 11, 2026
threat-model
information-security-analysts

Perform threat modeling on Palimpsest components. Use when adding new features, modifying trust boundaries, or reviewing security posture of fetch/replay/storage layers.

Apr 11, 2026
beck-test-driven-development
software-quality-assurance-analysts-and-testers

Develop software in the style of Kent Beck, creator of Test-Driven Development and Extreme Programming. Emphasizes red-green-refactor, tests-first design, small steps, and emergent architecture. Use when writing new features, refactoring legacy code, or…

Feb 6, 2026
bellard-minimalist-wizardry
software-developers

Write systems software in the style of Fabrice Bellard, creator of QEMU, FFmpeg, TinyCC, and JSLinux. Emphasizes extreme minimalism, solo mastery of complex domains, and making the impossible seem simple. Use when building emulators, compilers, codecs, or any…

Feb 6, 2026
bos-concurrency-rust
software-developers

Write Rust code in the style of Mara Bos, Rust library team lead and author of "Rust Atomics and Locks." Emphasizes low-level concurrency, atomics, and understanding the memory model. Use when writing concurrent or lock-free code.

Feb 6, 2026
tigerbeetle-deterministic-simulation
software-quality-assurance-analysts-and-testers

Test distributed systems in the style of TigerBeetle and Joran Dirk Greef, using deterministic simulation and time compression. Emphasizes controlling all non-determinism, simulating years of operation in minutes, and finding bugs that would take decades to…

Feb 6, 2026
gray-transaction-systems
software-developers

Design data systems using Jim Gray's principles of transaction processing and fault tolerance. Emphasizes ACID properties, recovery mechanisms, and the science of making systems reliable. Use when building databases, payment systems, or any system where data…

Feb 6, 2026
matsakis-ownership-mastery
software-developers

Write Rust code in the style of Niko Matsakis, Rust language team lead. Emphasizes deep understanding of ownership, lifetimes, and the borrow checker. Use when working with complex lifetime scenarios or designing APIs that interact with the ownership system.

Feb 6, 2026
torvalds-kernel-pragmatism
software-developers

Write systems code in the style of Linus Torvalds, creator of Linux and Git. Emphasizes pragmatic excellence, performance awareness, subsystem design, and uncompromising code review. Use when writing kernel-level code or high-performance systems.

Feb 6, 2026
turon-api-design
software-developers

Write Rust code in the style of Aaron Turon, former Rust team lead. Emphasizes API design, async Rust, and ecosystem architecture. Use when designing public APIs, async systems, or library interfaces.

Feb 6, 2026
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