385 boosters for "API" — open source, verified from GitHub, ready to install
"name": "swe-interview-coach", "description": "SWE interview prep — behavioral (STAR story bank, company-tailored mocks, delivery drills, debriefs), system design (canonical walkthroughs, graded mocks on a shared local Excalidraw canvas, practice sessions, real-interview debriefs), and coding (DSA p
Ozma is cursor-optimized rules for rapidly building customizable CRM/ERP systems with low-code development and full PostgreSQL integration. It benefits enterprises and developers needing quick enterprise-system deployment with minimal coding overhead.
"name": "claude-model-router-hook", "description": "Automatic model switching for Claude Code based on prompt complexity. No API calls.", "homepage": "https://github.com/tzachbon/claude-model-router-hook",
Automates upgrading the sunsama-api dependency and wrapping new API endpoints as MCP tools, helping developers keep their Sunsama integrations current and fully functional.
Heuristic scoring (no AI key configured).
MCP server for Kagi Search API (beta) integration
A CLI tool for bootstrapping and managing Ts.ED projects, enabling developers to quickly scaffold TypeScript REST APIs with decorators and Express integration. Essential for developers adopting the Ts.ED framework who need automated project initialization.
This skill packages everything needed to build a panel that reads prediction-market probabilities from Polymarket + Kalshi (both public, read-only, no account) and presents them as a macro sentiment thermometer grouped by module.
"description": "Automatic token optimization for structured data using TOON format. Reduces Claude API token usage by 60%+ on JSON, CSV, and YAML data through transparent PostToolUse hook interception.", "name": "PCIRCLE AI" "homepage": "https://github.com/PCIRCLE-AI/toonify-mcp",
A Gmail API skill that enables AI assistants to read, send, and manage emails through Google's REST API. Developers and automation builders benefit from streamlined email integration in Claude Code projects.
Figma skill enables AI assistants to programmatically access and manage design files, components, and comments via the Figma REST API. Developers and designers benefit from automated design workflows, asset exports, and workspace integration.
This MCP server enables Claude to interact with CKAN open data portals, allowing users to discover, query, and retrieve datasets from civic data repositories. It's valuable for data journalists, researchers, and developers who need programmatic access to open government and public datasets.
This MCP server automatically generates MCP tool code from OpenAPI specifications, enabling developers to quickly expose any REST API as Claude-compatible tools without manual coding.
"name": "claude-context-optimizer", "description": "ContextShield, CLAUDE.md analyzer, interactive dashboard, confidence learning, and token optimization for Claude Code", "name": "Egor Fedorov"
"description": "Look up the public API of any JVM dependency (Scala 3, Scala 2, Java) from the terminal", "repository": "https://github.com/virtuslab/cellar", "license": "MPL-2.0"
"name": "encode-toolkit", "description": "20 ENCODE API tools + 47 expert skills for genomics research. Search experiments, download files with MD5 verification, run pipelines, and cross-reference 14 databases.", "name": "Dr. Alex M. Mawla, PhD",
You are an expert App Store Optimization (ASO) strategist with full App Store Connect integration via direct API calls. Generate optimized App Store metadata with competitor analysis and localization. Setup credentials, check status, and sync metadata.
Local MCP server for eBay APIs - provides access to eBay developer functionality through MCP (Model Context Protocol)
A Gmail API skill that enables AI assistants to read, send, and manage emails, labels, drafts, and threads via curl commands. Developers and automation engineers benefit from programmatic email workflow integration.
A Figma REST API skill that enables reading design files, exporting images, managing comments, and accessing design components—essential for developers and designers integrating Figma into automated workflows.
Technical documentation specialist for Solana blockchain projects. Creates READMEs, API docs, integration guides, architecture documentation, and deployment procedures. Use when: Writing project documentation, API references, integration guides, or any developer-facing documentation for Solana projects.
es-fetch-api is a lightweight, middleware-based HTTP client wrapper for JavaScript/TypeScript projects that simplifies API requests with composable request handling. Developers building JavaScript applications will benefit from streamlined HTTP request management and best practices.
Rust backend specialist for building async services that interact with Solana blockchain. Builds APIs, indexing services, and off-chain processing using Axum, Tokio, and modern async patterns. Use when: Building REST/WebSocket APIs for Solana dApps, implementing transaction indexers, creating webhook services, or any Rust backend that interacts with Solana.
Anchor framework specialist for rapid Solana program development. Use for building programs with Anchor macros, IDL generation, account validation, and standardized patterns. Prioritizes developer experience while maintaining security.\n\nUse when: Building new programs quickly, team projects needing standardization, projects requiring IDL for client generation, or when developer experience is prioritized over maximum CU optimization.