# ToolCall Witness MCP

> ToolCall Witness MCP — clauxel-tool-call-witness-mcp. Use this tool when you need to track and verify AI agent interactions, ensuring transparency and accountability in tool call transactions. The ToolCall Witness MCP provides a witness layer for AI agent tool calls, creating receipts, approving evidence, and exporting audit reports. It is ideal for use cases requiring secure, tamper-evident records of AI agent activities, such as compliance monitoring and audit trails.

Canonical page: https://skillsregistry.net/skills/clauxel-tool-call-witness-mcp  
JSON: https://api.skillsregistry.net/v1/skills/clauxel-tool-call-witness-mcp

## Description

A paid, hosted MCP server that acts as a witness layer for AI agent tool calls, providing receipt creation, approval evidence, argument redaction, result summaries, and audit exports.

## Trust

- **Trust score (0–1):** 0.30
- **Verification tier:** unverified
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/iob84ll45z)
- **Repository:** <https://github.com/clauxel/tool-call-witness-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "clauxel-tool-call-witness-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/clauxel-tool-call-witness-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/clauxel-tool-call-witness-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt