openapi: OpenAPI definitions, converters and LLM function calling schema composer

by samchon · MCP Server · ★ 125

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

How to install openapi

npm install @samchon/openapi

Taken from the project's README on GitHub.

Security audit verdict: SAFE · quality 64/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours.

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

aichatgptclaudedeepseekgeminillamallmllm-function-callmcpmodel-context-protocol

Quick Facts

Stars125
Forks12
LanguageTypeScript
CategoryMCP Server
LicenseMIT
Quality Score64/100
Open Issues2
Last Updated2026-03-20
Created2024-03-26
Platformsclaude-code, gemini, mcp, node
Est. Tokens~489k

About openapi

This repository has been archived and is no longer maintained. All functionality has been merged into as built-in namespace modules. - OpenAPI → LLM function calling: HTTP LLM - TypeScript class → LLM function calling: - LLM JSON utilities: LLM JSON - MCP integration: - Vercel AI SDK: - LangChain: [![Build Status](https:

Compatible Skills

These tools work well together with openapi for enhanced workflows:

  • mcp-swagger-server — semantic(0.46)+rare_topics+same_lang+similar_pop+shared_platform (55%)
  • openai-function-calling-tools — semantic(0.16)+complementary+same_lang+similar_pop+shared_platform (51%)
  • helix — semantic(0.17)+complementary+rare_topics+similar_pop+shared_platform (50%)
  • openmcp — semantic(0.39)+rare_topics+same_lang+similar_pop+shared_platform (48%)
  • mcp — semantic(0.38)+rare_topics+same_lang+similar_pop+shared_platform (48%)

openapi alternative? Top 6 similar tools

Looking for a openapi alternative? If you're comparing openapi with other mcp server tools, these 6 projects are the closest alternatives on Agent Skills Hub — ranked by topic overlap, star count, and community traction.

  • mcp-anything by gabrielekarra · ⭐ 56

    One command to turn any codebase into an MCP server

  • postman-mcp-server by postmanlabs · ⭐ 325

    Postman MCP Server — connect AI agents (Claude Code, Cursor, VS Code Copilot, Gemini CLI) to your Postman coll

  • oreilly-ai-agents by sinanuozdemir · ⭐ 322

    An introduction to the world of AI Agents

  • notion-mcp-server by awkoy · ⭐ 180

    Notion MCP server with token auth: connect Claude Code, Claude Desktop, Cursor, VS Code and Codex to Notion pa

  • claude-historian-mcp by Vvkmnn · ⭐ 178

    📜 An MCP server for conversation history search and retrieval in Claude Code

  • c4-genai-suite by codecentric · ⭐ 174

    [archived] c4 GenAI Suite

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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