# read_thread

Read all messages in a conversation thread.

Agent View of the PolicyLayer registry record for `read_thread`. HTML page: https://policylayer.com/tools/deadsimple-email/read-thread

## Facts

- Tool: `read_thread`
- Server: Pypi:deadsimple Email (`pypi:deadsimple-email`) — https://policylayer.com/tools/deadsimple-email.md
- Install: `npx -y pypi:deadsimple-email`
- Homepage: https://github.com/deadsimple-email/deadsimple-email
- Risk category: Read (Low risk)
- Registry record: grade D, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "read_thread",
    "arguments": {}
  }
}
```

## Why read_thread is rated Low

This tool retrieves email message data from an existing conversation thread without creating, modifying, deleting, or executing any operations. It is a straightforward data retrieval function with no side effects, placing it firmly in the Read category. Severity is low because reading email content poses minimal risk compared to write, execute, or destructive operations.

From the tool's own definition: "Tool name is 'read_thread' and description states 'Read all messages in a conversation thread' — the verb 'Read' and retrieval-only operation indicate no modification or execution of external systems."

Risk signals: Bulk/mass operation — affects multiple targets

## Use case

AI agents call read_thread to retrieve information from Pypi:deadsimple Email without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Pypi:deadsimple Email:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "read_thread": {}
  }
}
```

## Other tools on Pypi:deadsimple Email (13)

- `delete_inbox` — Destructive — https://policylayer.com/tools/deadsimple-email/delete-inbox.md
- `get_usage` — Read — https://policylayer.com/tools/deadsimple-email/get-usage.md
- `get_verification_code` — Read — https://policylayer.com/tools/deadsimple-email/get-verification-code.md
- `get_verification_link` — Read — https://policylayer.com/tools/deadsimple-email/get-verification-link.md
- `list_inboxes` — Read — https://policylayer.com/tools/deadsimple-email/list-inboxes.md
- `list_threads` — Read — https://policylayer.com/tools/deadsimple-email/list-threads.md
- `read_message` — Read — https://policylayer.com/tools/deadsimple-email/read-message.md
- `read_messages` — Read — https://policylayer.com/tools/deadsimple-email/read-messages.md
- `wait_for_email` — Read — https://policylayer.com/tools/deadsimple-email/wait-for-email.md
- `create_inbox` — Write — https://policylayer.com/tools/deadsimple-email/create-inbox.md
- `forward_message` — Write — https://policylayer.com/tools/deadsimple-email/forward-message.md
- `reply_to_message` — Write — https://policylayer.com/tools/deadsimple-email/reply-to-message.md
- `send_email` — Write — https://policylayer.com/tools/deadsimple-email/send-email.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=deadsimple-email · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/deadsimple-email