Packages

Binance's REST and WebSocket API for spot, margin, and futures crypto trading with the world's highest liquidity exchange, using HMAC-SHA256 signed requests for authenticated endpoints.

Courier is a multi-channel notification routing platform that lets developers send notifications across email, SMS, push, Slack, Microsoft Teams, WhatsApp, and other channels through a single API. Rather than integrating separately with Sendgrid for email, Twilio for SMS, and Firebase for push, Courier abstracts all channels behind a unified Send API. Routing rules, channel failover, and notification templates are managed in the Courier Studio UI or via API, allowing non-engineers to control notification logic without code changes. Courier also handles user preferences (letting end users control which channels they receive notifications on), delivery tracking, and notification audit logs.

Passwordless authentication platform providing magic link (email) and social login, with optional Web3 wallet integration, offering a developer SDK and Admin REST API for user management.

Open-source ML workflow framework originally built at Netflix. Metaflow lets data scientists write ML workflows as Python classes with @flow and @step decorators, then executes them locally or on cloud compute (AWS Batch, Kubernetes, Azure) with automatic versioning, artifact tracking, and parameter sweeps. Designed to feel like regular Python while providing production-grade infrastructure management.

Self-hosted ChatGPT-style web interface for running LLMs locally or via any OpenAI-compatible API. Open WebUI provides a full-featured chat interface with conversation history, model management, RAG document uploads, image generation, voice input, and Pipelines (workflow automation). Works with Ollama, vLLM, LM Studio, and any OpenAI-compatible backend. Provides its own REST API for programmatic access — enabling agent integration with the Open WebUI instance.

Parameter-Efficient Fine-Tuning library — adapts large language models with minimal trainable parameters. PEFT features: LoRA (Low-Rank Adaptation) for attention weight modification, QLoRA (quantized LoRA with bitsandbytes), IA3, Prefix Tuning, Prompt Tuning, AdaLoRA, LoftQ, LoHa, get_peft_model() wrapper, PeftModel.from_pretrained() for loading adapters, merge_and_unload() for full model merging, and model.print_trainable_parameters() for inspection. Enables fine-tuning 7B-70B LLMs on consumer GPUs by training only 0.1-1% of parameters for agent specialization.

Socket Security provides deep package analysis for open-source dependencies across npm, PyPI, Maven, Conda, and other ecosystems, detecting supply chain attacks, malware, typosquatting, protestware, and risky code patterns before they enter your codebase. Unlike CVE-only scanners, Socket analyzes the actual package code for suspicious behaviors like unexpected network calls, shell execution, filesystem access, and obfuscated code — catching zero-day supply chain threats that CVE databases miss. The REST API enables programmatic package scoring, CI/CD integration, and alert management.

SparkPost (now part of Bird) email delivery API for transactional and marketing email with advanced deliverability analytics, SMTP relay, and recipient validation.

Open-source LLM evaluation framework (now part of Snowflake) that measures RAG pipeline quality via the RAG Triad — Answer Relevance, Context Relevance, and Groundedness — using an instrumentation decorator pattern.

Python client library for the Twitter/X API v2 (and legacy v1.1), handling OAuth authentication, rate limit management, pagination, and streaming.

UpGuard Cyber Risk Platform REST API for attack surface management and third-party vendor risk assessment. Enables AI agents to manage external attack surface scanning and asset discovery automation, handle vendor security questionnaire and risk assessment workflows, access data breach monitoring and leaked credential detection, retrieve continuous vendor security risk scoring and monitoring data, manage vendor portfolio and risk tier classification, handle security questionnaire template and response management, access domain and IP exposure and vulnerability data, retrieve shared credentials and leaked data alerts, manage vendor risk acceptance and exception tracking, and integrate UpGuard risk data with GRC, procurement, and incident response platforms.

Open-source CI/CD system forked from Drone CI, designed for self-hosted deployment. Woodpecker uses Docker containers for all pipeline steps with simple YAML definitions stored in .woodpecker.yaml. Lightweight Go binary with minimal resource requirements — ideal for homelab, small teams, and organizations with Gitea/Forgejo (self-hosted Git) wanting a matching self-hosted CI. Supports Gitea, Forgejo, GitHub, GitLab, Bitbucket.

Lightweight CLI utility for interacting with MCP servers — discover tools, view schemas, and execute them from the command line. Designed for shell composition and AI agent integration with JSON output, connection pooling, and tool filtering.

AWS native CI/CD service for automating release pipelines with stages connecting source, build (CodeBuild), deploy (CodeDeploy/ECS/Lambda), and approval gates.

Python SDK for building custom Airbyte connectors (sources and destinations). Provides base classes (AbstractSource, HttpStream, IncrementalMixin) that handle HTTP pagination, state management, schema inference, and retry logic. Custom connectors built with CDK run in Docker containers and integrate with Airbyte's orchestration layer. Used to connect custom APIs or proprietary data sources to Airbyte's connector catalog.

REST API for commission-free stock, ETF, and crypto trading, including market data, account management, and order management for algorithmic and agent-based trading strategies.

Enterprise identity platform providing authentication, authorization, and user management APIs including social login, MFA, RBAC, machine-to-machine auth, and advanced security features.

Billsby Subscription Billing REST API for subscription management, recurring payment processing, and revenue operations. Enables AI agents to manage subscription plan creation and pricing configuration for billing product management, handle subscriber lifecycle and plan change management for subscription operations, access recurring payment processing and dunning management for revenue collection, retrieve subscription analytics and MRR/ARR reporting for revenue intelligence, manage trial and promotion management for subscriber acquisition automation, handle prorate calculation and billing cycle management for subscription accuracy, access customer portal and self-service subscription management for subscriber experience, retrieve tax calculation and compliance for subscription tax automation, manage webhook events for billing lifecycle notification, and integrate Billsby with Zapier, Salesforce, HubSpot, and accounting platforms.

Atlassian Bitbucket's REST API for managing Git repositories, pull requests, branches, pipelines (CI/CD), deployments, and code review workflows.

Enterprise-grade platform for creating, deploying, and managing custom MCP servers on-premises. Enables organizations to build task-specific MCP servers with declarative JSON/YAML specs, deploy via Kubernetes or Docker Compose, and secure them with OAuth 2.0 by default.