# Historian Data Tamper MCP

> Historian Data Tamper MCP is a paid API for AI agents from api.m2mcent.com, paid per call via x402, $0.4/call, status unknown (last checked 2026-10-12).

Detects or analyzes tampering in historian/time-series data records submitted as input strings.

## Facts

- Endpoint: POST https://api.m2mcent.com/historian-data-tamper-mcp/api/process?utm_source=zero.xyz
- Price: $0.4/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/historian-data-tamper-mcp-0ffcecb1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_RLTgfbyjWZkshzGduI9_0

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 historian-data-tamper-mcp-0ffcecb1 -d '<json body>'
```

Example prompt: Can you check this historian data record for signs of tampering or unauthorized modification? Here's the raw data string: '2024-01-15T08:00:00,TAG001,98.3,GOOD;2024-01-15T08:01:00,TAG001,98.3,GOOD'

## When to prefer this

Choose this endpoint when you need to programmatically verify the integrity of industrial process historian or time-series data records and detect unauthorized modifications, falsification, or tampering — particularly in OT/ICS, SCADA, or industrial compliance contexts where data provenance is critical.

## Known failure modes

- Empty or null data string returns validation error
- Malformed or unparseable historian data format returns parse error
- Oversized payload may be rejected or time out
- Ambiguous data format may produce low-confidence results
- Service unavailable returns HTTP 402 or 5xx error

## 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 an assessment of the submitted historian data string indicating whether tampering or unauthorized modification has been detected, along with any flagged anomalies, integrity violations, or suspicious patterns found in the data.

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "success": true
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/historian-data-tamper-mcp-0ffcecb1/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)