# M2MCent Climate Tech Voice Synthesis Generator MCP

> M2MCent Climate Tech Voice Synthesis Generator MCP is a paid API for AI agents from api.m2mcent.com, paid per call via x402, $0.107184/call, status unknown (last checked 2026-09-13).

Generates synthesized voice/speech audio for climate tech content via a monetized MCP node using the x402 micropayment protocol

## Facts

- Endpoint: POST https://api.m2mcent.com/climate-tech-voice-synthesis-generator-mcp-265/api/execute
- Price: $0.107184/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/m2mcent-climate-tech-voice-synthesis-generator-mcp-4bfe0ee4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_OEYbHZ71fuQkCl44rOssi

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability m2mcent-climate-tech-voice-synthesis-generator-mcp-4bfe0ee4 -d '<json body>'
```

Example prompt: Can you synthesize a voice narration for this climate tech summary: 'Solar panel adoption increased 42% in 2024, reducing grid carbon emissions by an estimated 18 million tonnes globally'?

## When to prefer this

Choose this endpoint when you need to synthesize voice audio specifically for climate tech or environmental content and are operating within an x402 micropayment-enabled agent framework on Base L2. It is ideal for agents that need to generate audio narration cheaply (~$0.11/call) without managing complex TTS infrastructure. Less suitable if you need non-climate-domain voice synthesis or require detailed audio file URLs rather than a hash confirmation.

## Known failure modes

- Missing or empty 'data' field returns validation error
- Malformed JSON input body causes 400 error
- Insufficient USDC balance for x402 micropayment causes 402 Payment Required
- Downstream voice synthesis engine unavailable returns 503
- Extremely long input text may exceed processing limits

## How this service works

The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context.

## Output

Returns a JSON object with a 'hash' boolean field indicating whether the voice synthesis generation completed successfully. The actual audio output details are embedded in the response payload.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "data"
 ],
 "properties": {
  "data": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "hash"
 ],
 "properties": {
  "hash": {
   "type": "boolean"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/m2mcent-climate-tech-voice-synthesis-generator-mcp-4bfe0ee4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.m2mcent.com](https://www.zero.xyz/host/api.m2mcent.com/llms.txt)