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AI agents and MCP servers

Scaffold an MCP server, convert an OpenAPI spec into MCP tools, and test tool calls before an agent makes them. Then decide what an agent may do: audit permissions, map the blast radius of each tool, compile approval rules and read the traces when a run goes wrong.

19 tools, free, in your browser

MCP Server Starter Generator

Generate a runnable MCP server project in TypeScript, Python or Go with tools, resources, prompts, stdio or HTTP transport and optional auth.

AI tools

MCP Server Config Generator

Generate MCP server configurations for Claude Desktop, Cursor, and Windsurf with visual editor and presets

AI tools

MCP Tool Tester

Validate a WebMCP tool definition's name, description and inputSchema, generate a test form from the schema, and mock a call locally.

AI tools

MCP Permission Auditor

Audit an MCP server config for risky capabilities, dangerous combinations such as file read plus network, risk scores and least-privilege fixes.

AI tools

MCP Governance Composer

Compose managed MCP governance packs with allow/deny lists, approval boundaries, and operator rollout checklists

AI tools

MCP Tool Search Budget Simulator

Simulate context-window usage for full MCP tool injection versus search-first retrieval strategies

AI tools

MCP Server Directory

Browse and search Model Context Protocol (MCP) servers by category, with GitHub stars, transport type and copyable install commands.

AI tools

OpenAPI to MCP Generator

Convert an OpenAPI 3.x JSON spec into MCP tool definitions, one per endpoint, and export config JSON or a TypeScript or Python server.

Converters

WebMCP Playground

Validate WebMCP tool definitions or a webmcp.json manifest against lint rules, test them with a form built from the schema and preview discovery.

AI tools

AI Tool Schema Builder

Build AI tool definitions in a visual editor with typed, enum and nested parameters, and export them as OpenAI, Anthropic, MCP or JSON Schema.

AI tools

Function Call Flow Simulator

Script a multi-step tool-calling conversation with mock tool results and errors, then export it as an OpenAI or Anthropic request body.

AI tools

LLM Structured Output Validator

API

Validate LLM JSON output against a JSON Schema, with OpenAI, Anthropic and MCP presets, per-field fixes and sample output. Also has a REST API.

AI tools

Agent Tool Blast Radius Mapper

Map tool capability blast radius, score operational risk, and produce least-privilege policy buckets

AI tools

Tool Approval Matrix Compiler

Compile cross-platform allow, ask, and deny decisions for tool capabilities across Codex, Claude, and managed MCP policies

AI tools

Agent Trace Viewer

Inspect AI agent traces from LangChain runs, OpenAI Assistants run steps or a JSON step array, with LLM calls, tool calls, errors, timings and tokens.

AI tools

Trace Failure Classifier

Classify failed trace events into root-cause buckets and output deterministic remediation guidance for agent incident triage

AI tools

AI Agent Framework Comparison

Compare AI agent frameworks such as LangChain, CrewAI, AutoGen and Mastra by language, GitHub stars, multi-agent, tool, RAG and MCP support.

AI tools

AGENTS.md Generator

Generate an AGENTS.md for coding agents from Node, Python, Go or monorepo presets, with setup, build, test and lint commands and done criteria.

AI tools

AI API Error Decoder

Decode an error response from the OpenAI, Anthropic, Gemini, Mistral or Cohere API into its cause, a Python and Node.js fix and a retry strategy.

AI tools

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