# c2padisclosure-mcp

A hosted MCP server that checks C2PA disclosure policy and issues structured receipts for AI-origin media.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, Gemini CLI
- Author: clauxel
- License: MIT · policy=link-only · description only; the file stays with the author
- Source: https://github.com/clauxel/c2pa-disclosure-drift-mcp
- Updated: 2026-05-20
- HTML: https://affpapa.org/en/nevibecode/mcp/c2padisclosure-mcp

## What it does

Five tools cover the disclosure workflow: `check_disclosure_policy`, `validate_c2pa_status`, `issue_ai_media_receipt`, `explain_region_rule`, `export_disclosure_log`. Tool calls come back structured, and the disclosure log can be exported as evidence a reviewer can read.

The endpoint is `https://c2padisclosure.clauxel.com/mcp` over Streamable HTTP. Production calls need a bearer token, so requests without one get rejected. A public server card sits at `https://c2padisclosure.clauxel.com/server-card.json`, and the registry name is `com.clauxel.c2padisclosure/c2padisclosure-mcp`.

The repository holds documentation only — no production source, credentials or customer records. If you want to inspect C2PA manifests locally, look elsewhere; this one is about disclosure policy and reporting.

## Requirements
- Remote server: `https://c2padisclosure.clauxel.com/mcp`

## Install

### Claude Code (native platform)

**Platform CLI: remote server**
```bash
claude mcp add --transport http c2padisclosure-mcp https://c2padisclosure.clauxel.com/mcp
```

### Codex

**Platform CLI: remote server**
```bash
codex mcp add c2padisclosure-mcp --url https://c2padisclosure.clauxel.com/mcp
```

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "c2padisclosure-mcp": {
            "url": "https://c2padisclosure.clauxel.com/mcp"
        }
    }
}
```

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "c2padisclosure-mcp": {
            "type": "http",
            "url": "https://c2padisclosure.clauxel.com/mcp"
        }
    }
}
```

### Gemini CLI

**Platform CLI: remote server**
```bash
gemini mcp add -t http c2padisclosure-mcp https://c2padisclosure.clauxel.com/mcp
```

## When to use it
- check whether a media disclosure matches policy
- confirm a file's C2PA status is valid
- issue a receipt for AI-generated media
- find out which disclosure rules apply in a region
- export the disclosure log for a reviewer

## Example prompts
- Run `check_disclosure_policy` on this image and tell me if disclosure is required
- Validate the C2PA status of `hero.png` with `validate_c2pa_status`
- Use `explain_region_rule` to show the disclosure requirements for this region

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