MCP server

ToolSchema Forge

dev.workers.toolschemaforge.toolschema-forge/toolschema-forge

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Convert, lint and generate LLM tool schemas for OpenAI, Anthropic, Gemini and MCP

Website

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

5

Token cost

About 1,064 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http toolschema-forge https://toolschema-forge.toolschemaforge.workers.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.toolschema-forge]
url = "https://toolschema-forge.toolschemaforge.workers.dev/mcp"

Gemini CLI

{"mcpServers":{"toolschema-forge":{"httpUrl":"https://toolschema-forge.toolschemaforge.workers.dev/mcp"}}}

Cursor

{"mcpServers":{"toolschema-forge":{"url":"https://toolschema-forge.toolschemaforge.workers.dev/mcp"}}}

VS Code

{"servers":{"toolschema-forge":{"type":"http","url":"https://toolschema-forge.toolschemaforge.workers.dev/mcp"}}}

Antigravity

agy mcp add toolschema-forge https://toolschema-forge.toolschemaforge.workers.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"toolschema-forge","server_url":"https://toolschema-forge.toolschemaforge.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"toolschema-forge","server_url":"https://toolschema-forge.toolschemaforge.workers.dev/mcp"}

Tools

• batch_convert_tool_schemas ~186 tokens
  Convert up to 50 tool definitions at once to the chosen formats, with per-tool issues and ready-to-use bundles. Free: 5 calls/hour per IP with arguments up to 8 KB; then $0.05 USDC per call via x402.
• convert_tool_schema ~220 tokens
  Convert one LLM tool/function definition between OpenAI, OpenAI strict mode, Anthropic, Gemini, MCP and plain JSON Schema. The input format is auto-detected. Every change is reported as an issue with a JSON pointer. Free: 5 calls/hour per IP with arguments up to 8 KB; then $0.01 USDC per call via x4
• lint_tool_schema ~178 tokens
  Check one LLM tool definition against each provider's schema rules (OpenAI strict, Anthropic, Gemini, MCP) and report errors and warnings with fixes. Free: 5 calls/hour per IP with arguments up to 8 KB; then $0.005 USDC per call via x402.
• mcp_manifest ~267 tokens
  Generate an MCP server manifest (tools with inputSchema, titles, annotations, HTTP bindings) and a TypeScript stdio server stub from an OpenAPI spec or a list of tools. Free: 5 calls/hour per IP with arguments up to 8 KB; then $0.15 USDC per call via x402.
• openapi_to_tools ~213 tokens
  Turn an OpenAPI 3.x or Swagger 2.0 spec (JSON object) into LLM tool definitions in the chosen format, one tool per operation. Free: 5 calls/hour per IP with arguments up to 8 KB; then $0.02 USDC per call via x402.

Browse

• OpenAPI tools
• APIs and testing
• Calling other AI models

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