ToolSchema Forge
Convert, lint and generate LLM tool schemas for OpenAI, Anthropic, Gemini and MCP
Connect Remote server
claude mcp add --transport http toolschema-forge https://toolschema-forge.toolschemaforge.workers.dev/mcp
{
"mcpServers": {
"toolschema-forge": {
"url": "https://toolschema-forge.toolschemaforge.workers.dev/mcp"
}
}
}
{
"servers": {
"toolschema-forge": {
"type": "http",
"url": "https://toolschema-forge.toolschemaforge.workers.dev/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://toolschema-forge.toolschemaforge.workers.dev/mcp
Tools 5 found in our last check
convert_tool_schemaConvert 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…
lint_tool_schemaCheck 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.
openapi_to_toolsTurn 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.
batch_convert_tool_schemasConvert 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.
mcp_manifestGenerate 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.
Details
| Endpoint | https://toolschema-forge.toolschemaforge.workers.dev/mcp (Streamable HTTP) |
| First published | 24 Oct 2026 |
| Last updated | 24 Oct 2026 |
| Registry name | dev.workers.toolschemaforge.toolschema-forge/toolschema-forge |
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