io.github.vitalio-sh/thunderbird-cli
NPM · THUNDERBIRD-CLI-MCP · SCANNED AUG 3
Give AI agents full read/write email access via Mozilla Thunderbird. Zero credentials.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score →
Supply Chain Security86
- No malware found by supply-chain analysis.Pass
- Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.Partial
- No install/post-install scripts declared.Pass
- Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree. View diagnostics → Partial
Provenance & Transparency45
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
- Clear OSI-approved license (MIT).Pass
- Actively maintained (last published 106 days ago).Pass
- Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability77
- AI-judged instruction clarity (excellent).Pass
- Context-footprint check failed: tool/resource definitions use about 1306 tokens (~108/item across 12 items; 12 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management23
- Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage98
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 95% of tool parameters carry a description.Partial
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.
npm · thunderbird-cli-mcp
claude mcp add vitalio-sh-thunderbird-cli -- npx -y thunderbird-cli-mcp
codex mcp add vitalio-sh-thunderbird-cli -- npx -y thunderbird-cli-mcp
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"vitalio-sh-thunderbird-cli": {
"type": "local",
"command": [
"npx",
"-y",
"thunderbird-cli-mcp"
],
"enabled": true
}
}
} openclaw mcp add vitalio-sh-thunderbird-cli --command npx --arg -y --arg thunderbird-cli-mcp
mcp_servers:
vitalio-sh-thunderbird-cli:
command: "npx"
args: ["-y", "thunderbird-cli-mcp"] {
"mcpServers": {
"vitalio-sh-thunderbird-cli": {
"command": "npx",
"args": [
"-y",
"thunderbird-cli-mcp"
]
}
}
} Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 3 Aug 26 +3
- Stability: unverified → 0.23 ▲ functional
- 2 Aug 26 +44
- Provenance: unverified → fail ▼ security
- Install scripts: unverified → pass ▲ security
- Known CVEs: unverified → partial ▲ security
- Malware scan: unverified → pass ▲ security
- Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window). security
- License: unverified → pass ▲ functional
- Dependency health: unverified → partial ▲ functional
- Maintenance: unverified → pass ▲ functional
- MCP protocol: unverified → pass ▲ functional
- Schema quality: unverified → excellent ▲ functional
- Licence: MIT functional
- 31 Jul 26 −7
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 30 Jul 26 −18
- Malware scan: pass → unverified ▼ security
- 27 Jul 26 46
First indexed and scored.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 3 Aug 2026 · Analysed npm/[email protected]
Provenance none
Ecosystem: npm · Outcome: none
Dependencies 94 packages
94 packages in the resolved dependency tree · 94 deprecated · 29 stale.
The dependency tree was only partially resolved, so these counts may be incomplete.
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.
email_archive ~108
Archive, move, or delete messages. Operations: 'archive' (move to archive folder), 'move' (to specific folder), 'delete' (to trash). Permanent delete requires confirm=true.
| Name | Type | Req | Description |
|---|---|---|---|
| confirm | boolean | — | Required for permanent delete |
| destinationFolderId | string | — | Required for 'move' operation |
| messageIds | array | yes | Message IDs |
| operation | string | yes | Operation type |
| permanent | boolean | — | For delete: skip trash (requires confirm) |
No output schema declared.
No examples provided.
email_attachments ~84
List or download attachments from a message. Operation 'list' returns attachment metadata. Operation 'download' returns base64-encoded file data (use partName from list results).
| Name | Type | Req | Description |
|---|---|---|---|
| messageId | number | yes | Message ID |
| operation | string | yes | list metadata or download a specific attachment |
| partName | string | — | Required for download — get from list operation |
No output schema declared.
No examples provided.
email_compose ~187
Compose a new email. Default mode is 'draft' (saved to Drafts folder, not sent). Use mode='send' to send immediately, mode='open' to open in Thunderbird's compose window for human review. ALWAYS prefer draft mode unless the human explicitly asked to send.
| Name | Type | Req | Description |
|---|---|---|---|
| bcc | string | — | BCC recipients |
| body | string | yes | Message body (plain text) |
| cc | string | — | CC recipients |
| from | string | — | Identity ID to send from (use email_identities-equivalent or check email_stats for accounts) |
| html | boolean | — | Treat body as HTML |
| mode | string | — | draft (default, saves silently), open (compose window), send (immediate) |
| priority | string | — | — |
| subject | string | — | Subject line |
| to | string | yes | Recipient(s), comma-separated for multiple |
No output schema declared.
No examples provided.
email_folders ~102
List folders for an account, get folder info with message counts, or trigger sync. Operations: 'list' (folders for account), 'all' (across all accounts), 'info' (one folder), 'sync' (refresh from IMAP).
| Name | Type | Req | Description |
|---|---|---|---|
| accountId | string | — | Required for 'list' operation |
| folderId | string | — | Required for 'info' and 'sync' operations |
| operation | string | yes | Operation type |
No output schema declared.
No examples provided.
email_forward ~64
Forward a message to a new recipient. Default mode is 'draft' for human review.
| Name | Type | Req | Description |
|---|---|---|---|
| body | string | — | Optional additional text |
| messageId | number | yes | Message ID to forward |
| mode | string | — | — |
| to | string | yes | Recipient address |
No output schema declared.
No examples provided.
email_list ~110
List messages in a specific folder. Use email_folders first to get folder IDs. Supports pagination and sorting.
| Name | Type | Req | Description |
|---|---|---|---|
| flagged | boolean | — | Flagged only |
| folderId | string | yes | Folder ID (e.g. 'account1://INBOX') |
| limit | number | — | Max results |
| offset | number | — | Skip first N (pagination) |
| sort | string | — | Sort field |
| sortOrder | string | — | Sort direction |
| unread | boolean | — | Unread only |
No output schema declared.
No examples provided.
email_mark ~100
Update message flags: read/unread, flagged/unflagged, junk/not-junk. Accepts a single ID or array of IDs for batch operations.
| Name | Type | Req | Description |
|---|---|---|---|
| flagged | boolean | — | Flag (true) or unflag (false) |
| junk | boolean | — | Mark junk (true) or not-junk (false) |
| messageIds | array | yes | Message IDs |
| read | boolean | — | Mark as read (true) or unread (false) |
No output schema declared.
No examples provided.
email_read ~89
Read a specific email message. Modes: 'default' (headers + text body), 'headers' (cheapest), 'full' (with HTML), 'raw' (RFC822). Use maxBody to truncate long messages.
| Name | Type | Req | Description |
|---|---|---|---|
| maxBody | number | — | Truncate body to N characters |
| messageId | number | yes | Thunderbird internal message ID |
| mode | string | — | Read mode |
No output schema declared.
No examples provided.
email_reply ~79
Reply to a message. Default mode is 'draft'. Use mode='send' for immediate send. Set replyAll=true to reply to all recipients.
| Name | Type | Req | Description |
|---|---|---|---|
| body | string | yes | Reply body |
| messageId | number | yes | Message ID to reply to |
| mode | string | — | — |
| replyAll | boolean | — | Reply to all recipients |
No output schema declared.
No examples provided.
email_search ~271
Search for emails across all accounts. Supports filters by sender, recipient, subject, date range, attachments, tags. Excludes junk by default. Use --fields to minimize token cost.
| Name | Type | Req | Description |
|---|---|---|---|
| accountId | string | — | Limit to specific account |
| flagged | boolean | — | Flagged/starred only |
| folderId | string | — | Limit to specific folder |
| from | string | — | Filter by sender address |
| hasAttachment | boolean | — | Only with attachments |
| includeJunk | boolean | — | Include junk messages (default: false) |
| limit | number | — | Max results |
| query | string | yes | Full-text search query (searches body) |
| since | string | — | Start date (ISO 8601 or relative: '7d', '2w', '3m', '1y', 'today', 'yesterday') |
| sizeMax | number | — | Maximum message size in bytes |
| sizeMin | number | — | Minimum message size in bytes |
| subject | string | — | Filter by subject substring |
| tag | string | — | Filter by tag key (e.g. $label1) |
| to | string | — | Filter by recipient address |
| unread | boolean | — | Unread only |
| until | string | — | End date (ISO or relative) |
No output schema declared.
No examples provided.
email_stats ~67
Get an overview of all email accounts: total accounts, unread counts, message totals. Optionally filter to a single account or include per-folder breakdown.
| Name | Type | Req | Description |
|---|---|---|---|
| accountId | string | — | Optional: limit stats to a specific account ID |
| includeFolders | boolean | — | Include per-folder breakdown |
No output schema declared.
No examples provided.
email_thread ~45
Get the full conversation thread for a message — all related messages sorted chronologically, resolved across accounts via References/In-Reply-To headers.
| Name | Type | Req | Description |
|---|---|---|---|
| messageId | number | yes | Message ID |
No output schema declared.
No examples provided.