Browse Skills

mcmc-sampling-stan.md

13

1 export mcmc-sampling-stan

2 from "letta-ai/skills"

3 Guidance for Bayesian MCMC sampling tasks using RStan. This skill applies when implementing hierarchical Bayesian models, configuring Stan/RStan for MCMC inference, or working with posterior distributions. Use for tasks involving Stan model specification, RStan installation, MCMC diagnostics, and Bayesian hierarchical modeling.

2026-01-21

fix-ocaml-gc.md

13

1 export fix-ocaml-gc

2 from "letta-ai/skills"

3 Guide for debugging and fixing bugs in the OCaml garbage collector, particularly memory management issues in the runtime's sweeping and allocation code. This skill applies when working on OCaml runtime C code, investigating segfaults in GC operations, or fixing pointer arithmetic bugs in memory managers with size-classed pools and run-length encoding.

2026-01-21

largest-eigenval.md

13

1 export largest-eigenval

2 from "letta-ai/skills"

3 Guidance for optimizing numerical linear algebra computations, particularly finding eigenvalues of small dense matrices faster than standard library implementations. This skill applies when the task involves performance optimization of matrix operations, beating numpy/scipy performance baselines, or writing high-performance numerical code with Cython/LAPACK.

2026-01-21

code-from-image.md

13

1 export code-from-image

2 from "letta-ai/skills"

3 Extracting code or pseudocode from images using OCR, then interpreting and implementing it. This skill should be used when tasks involve reading code, pseudocode, or algorithms from image files (PNG, JPG, screenshots) and converting them to executable code. Applies to OCR-based code extraction, image-to-code conversion, and implementing algorithms shown in visual formats.

2026-01-21

circuit-fibsqrt.md

13

1 export circuit-fibsqrt

2 from "letta-ai/skills"

3 Guide for implementing combinational/sequential logic circuits using gate-level descriptions in text-based simulators. This skill applies when building circuits for mathematical functions like integer square root, Fibonacci sequences, or similar computations that require both combinational logic (arithmetic operations) and sequential logic (feedback loops, state machines). Use this skill when the task involves generating gate netlists, implementing multi-bit arithmetic circuits, or debugging event-driven circuit simulators.

2026-01-21

openssl-selfsigned-cert.md

13

1 export openssl-selfsigned-cert

2 from "letta-ai/skills"

3 This skill provides guidance for generating self-signed SSL/TLS certificates using OpenSSL. Use this skill when tasks involve creating private keys, self-signed certificates, certificate signing requests (CSRs), or combined PEM files. It covers verification strategies and common pitfalls in certificate generation workflows.

2026-01-21

agent-sdk-guide.md

13

1 export agent-sdk-guide

2 from "majesticlabs-dev/majestic-marketplace"

3 Guide for Claude Agent SDK - build custom AI agents powered by Claude. Triggers on agent sdk, claude-agent-sdk, @anthropic-ai/claude-agent, build agent, programmatic agent, embed claude, custom ai agent, agent infrastructure. Covers installation, authentication providers, tool permissions, file-based configuration, and TypeScript/Python code examples.

2026-01-22

portfolio-optimization.md

13

1 export portfolio-optimization

2 from "letta-ai/skills"

3 Guidance for implementing high-performance portfolio optimization using Python C extensions. This skill applies when tasks require optimizing financial computations (matrix operations, covariance calculations, portfolio risk metrics) by implementing C extensions for Python. Use when performance speedup requirements exist (e.g., 1.2x or greater) and the task involves numerical computations on large datasets (thousands of assets).

2026-01-21

marketing-playbook.md

13

1 export marketing-playbook

2 from "majesticlabs-dev/majestic-marketplace"

3 Your guide to the marketing toolkit. Diagnoses where you are in your marketing journey and recommends the right skills, agents, and workflows to use next.

2026-01-22

train-fasttext.md

13

1 export train-fasttext

2 from "letta-ai/skills"

3 This skill provides guidance for training FastText text classification models with constraints on accuracy and model size. It should be used when training fastText supervised models, optimizing model size while maintaining accuracy thresholds, or when hyperparameter tuning for text classification tasks.

2026-01-21

nginx-request-logging.md

13

1 export nginx-request-logging

2 from "letta-ai/skills"

3 Guidance for configuring Nginx web servers with custom logging, rate limiting, and static content serving. This skill should be used when tasks involve setting up Nginx server blocks, configuring custom log formats, implementing rate limiting, or serving static files on specific ports.

2026-01-21

reshard-c4-data.md

13

1 export reshard-c4-data

2 from "letta-ai/skills"

3 Guidance for data resharding tasks that involve reorganizing files across directory structures with constraints on file sizes and directory contents. This skill applies when redistributing datasets, splitting large files, or reorganizing data into shards while maintaining constraints like maximum files per directory or maximum file sizes. Use when tasks involve resharding, data partitioning, or directory-constrained file reorganization.

2026-01-21

build-pmars.md

13

1 export build-pmars

2 from "letta-ai/skills"

3 Guidance for building pMARS (portable Memory Array Redcode Simulator) from source. This skill should be used when tasked with compiling pMARS, building Core War simulators from source packages, or creating headless/non-X11 builds of legacy C software from Debian source packages.

2026-01-21

password-recovery.md

13

1 export password-recovery

2 from "letta-ai/skills"

3 This skill provides guidance for recovering passwords or sensitive data from disk images, corrupted files, or forensic scenarios. Use this skill when tasked with extracting passwords from disk images, recovering deleted files containing credentials, or performing data forensics to find lost authentication information.

2026-01-21

github-use.md

13

1 export github-use

2 from "ScotterMonk/AgentAutoFlow"

3 Any time github activity is required.

2026-01-05

ticket-create.md

13

1 export ticket-create

2 from "malhashemi/dotfiles"

3 Guides creation of well-structured tickets (task documents). This skill should be used when the user wants to create a ticket, task, feature request, bug report, or any work item that needs to be tracked and potentially assigned. Provides structure hints without enforcing rigid templates - the final structure adapts to the specific task and domain.

2026-01-05

git-multibranch.md

13

1 export git-multibranch

2 from "letta-ai/skills"

3 Guidance for setting up Git-based multi-branch deployment systems with SSH access, web servers, and automated deployment hooks. This skill should be used when configuring Git repositories that deploy to multiple environments (e.g., main/dev branches), setting up SSH authentication for Git, configuring web servers to serve content from different branches, or creating post-receive hooks for automated deployments.

2026-01-21

count-dataset-tokens.md

13

1 export count-dataset-tokens

2 from "letta-ai/skills"

3 Guidance for counting tokens in datasets, particularly from HuggingFace or similar sources. This skill should be used when tasks involve counting tokens in datasets, understanding dataset schemas, filtering by categories/domains, or working with tokenizers. It helps avoid common pitfalls like incomplete field identification and ambiguous terminology interpretation.

2026-01-21

reshard-c4-data.md

13

1 export reshard-c4-data

2 from "letta-ai/skills"

3 Guide for implementing reversible data resharding systems with hierarchical constraints (max files/folders per directory, max file size). Use when building compress/decompress scripts that reorganize datasets while maintaining full reconstruction capability.

2026-01-21

build-pmars.md

13

1 export build-pmars

2 from "letta-ai/skills"

3 Guide for building pMARS (Portable Memory Array Redcode Simulator) and similar software from Debian/Ubuntu source packages. Use this skill when tasks involve enabling source repositories, downloading distribution source packages, removing X11/GUI dependencies, modifying Makefiles, diagnosing segmentation faults, and building headless versions of applications. Applies to Core War simulators and similar legacy software with optional graphics support.

2026-01-21

polyglot-c-py.md

13

1 export polyglot-c-py

2 from "letta-ai/skills"

3 This skill provides guidance for creating polyglot files that are valid in both C and Python. It should be used when tasks require writing code that compiles and runs correctly as both a C program and a Python script, producing identical or specified output from each interpreter/compiler.

2026-01-21

modernize-scientific-stack.md

13

1 export modernize-scientific-stack

2 from "letta-ai/skills"

3 Guidance for modernizing legacy Python 2 scientific computing code to Python 3. This skill should be used when tasks involve converting outdated scientific Python scripts (using deprecated libraries like ConfigParser, cPickle, urllib2, or Python 2 syntax) to modern Python 3 equivalents with contemporary scientific stack (NumPy, pandas, scipy, matplotlib). Applies to data processing, analysis pipelines, and scientific computation modernization tasks.

2026-01-21

fix-ocaml-gc.md

13

1 export fix-ocaml-gc

2 from "letta-ai/skills"

3 Guide for debugging and fixing bugs in the OCaml garbage collector runtime, particularly issues in memory management code like sweeping, pool management, and run-length compression. This skill should be used when encountering segfaults during OCaml bootstrap, debugging crashes in runtime/shared_heap.c or similar GC code, or investigating pointer arithmetic bugs in memory allocator implementations.

2026-01-21

ln-343-manual-tester.md

13

1 export ln-343-manual-tester

2 from "levnikolaevich/claude-code-skills"

3 Performs manual testing of Story AC via executable bash scripts saved to tests/manual/. Creates reusable test suites per Story. Worker only.

2026-01-21