Convert, lint and generate LLM tool schemas for OpenAI, Anthropic, Gemini and MCP
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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.
1-50 tool definitions in any supported format.
Target formats. Default: all.
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.
| Argument | Type | Description |
|---|---|---|
| tools* | array | 1-50 tool definitions in any supported format. |
| targets | array | Target formats. Default: all. |
{
"type": "object",
"required": [
"tools"
],
"properties": {
"tools": {
"type": "array",
"items": {
"type": "object"
},
"maxItems": 50,
"minItems": 1,
"description": "1-50 tool definitions in any supported format."
},
"targets": {
"type": "array",
"items": {
"enum": [
"openai",
"openai_strict",
"anthropic",
"gemini",
"mcp",
"jsonschema"
],
"type": "string"
},
"minItems": 1,
"description": "Target formats. Default: all."
}
}
}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 x402.
| Argument | Type | Description |
|---|---|---|
| tool* | object | Tool definition in any supported format (OpenAI chat/responses, Anthropic, Gemini, MCP, or {name, description, parameters}). |
| targets | array | Target formats. Default: all. |
{
"type": "object",
"required": [
"tool"
],
"properties": {
"tool": {
"type": "object",
"description": "Tool definition in any supported format (OpenAI chat/responses, Anthropic, Gemini, MCP, or {name, description, parameters})."
},
"targets": {
"type": "array",
"items": {
"enum": [
"openai",
"openai_strict",
"anthropic",
"gemini",
"mcp",
"jsonschema"
],
"type": "string"
},
"minItems": 1,
"description": "Target formats. Default: all."
}
}
}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.
| Argument | Type | Description |
|---|---|---|
| tool* | object | Tool definition in any supported format. |
| targets | array | Providers to check. Default: all. |
{
"type": "object",
"required": [
"tool"
],
"properties": {
"tool": {
"type": "object",
"description": "Tool definition in any supported format."
},
"targets": {
"type": "array",
"items": {
"enum": [
"openai",
"openai_strict",
"anthropic",
"gemini",
"mcp",
"jsonschema"
],
"type": "string"
},
"minItems": 1,
"description": "Providers to check. Default: all."
}
}
}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.
| Argument | Type | Description |
|---|---|---|
| tools | array | Tool definitions in any supported format. Give this or openapi. |
| server | object | Optional server info overrides. |
| include | array | Optional operationIds or 'METHOD /path' strings to include (openapi input). |
| openapi | object | OpenAPI 3.x or Swagger 2.0 document as JSON. Give this or tools. |
{
"type": "object",
"properties": {
"tools": {
"type": "array",
"items": {
"type": "object"
},
"maxItems": 100,
"minItems": 1,
"description": "Tool definitions in any supported format. Give this or openapi."
},
"server": {
"type": "object",
"properties": {
"name": {
"type": "string"
},
"version": {
"type": "string"
},
"description": {
"type": "string"
}
},
"description": "Optional server info overrides."
},
"include": {
"type": "array",
"items": {
"type": "string"
},
"description": "Optional operationIds or 'METHOD /path' strings to include (openapi input)."
},
"openapi": {
"type": "object",
"description": "OpenAPI 3.x or Swagger 2.0 document as JSON. Give this or tools."
}
}
}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.
| Argument | Type | Description |
|---|---|---|
| spec* | object | OpenAPI 3.x or Swagger 2.0 document as JSON. |
| target | string | Output format. Default openai. |
| include | array | Optional operationIds or 'METHOD /path' strings to include. |
| maxTools | integer |
{
"type": "object",
"required": [
"spec"
],
"properties": {
"spec": {
"type": "object",
"description": "OpenAPI 3.x or Swagger 2.0 document as JSON."
},
"target": {
"enum": [
"openai",
"openai_strict",
"anthropic",
"gemini",
"mcp",
"jsonschema"
],
"type": "string",
"description": "Output format. Default openai."
},
"include": {
"type": "array",
"items": {
"type": "string"
},
"description": "Optional operationIds or 'METHOD /path' strings to include."
},
"maxTools": {
"type": "integer",
"maximum": 128,
"minimum": 1
}
}
}