Step 1
Install in your client
Config is the same across clients — only the file and path differ.
CD
Supported in Claude Desktopstdio, sse, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"signal-mcp-server": {
"args": [
"run",
"--with",
"mcp[cli]",
"--with",
"signal-export",
"mcp",
"run",
"C:\\Github\\signal-mcp-server\\server.py"
],
"type": "stdio",
"command": "uv"
}
}
}Are you the author?
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[](https://mcppedia.org/s/signal-mcp-server)
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What Signal Mcp Server does
MCP Server for retrieving Signal messages using signal-export logic.
Test This Server
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
uvx 'uv' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
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Scored, not listed
Why this score
Five weighted categories — click any category to see the underlying evidence.
Score breakdown
73/100across 5 weighted dimensions
0255075100
30
16
15
10
−27
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.dev4 fixed
GHSA-pjjw-68hj-v9mwmedium · fixedCVSS 4
uv vulnerable to arbitrary file deletion through RECORD entries
## Impact Wheel RECORD entries can contain relative paths that traverse outside of the wheel’s installation prefix. In versions 0.11.5 and earlier of uv, these wheels were not rejected on installation and the RECORD was respected without validation on uninstall. uv uses the RECORD to determine files to remove on uninstall. Consequently, a malicious or malformed wheel could induce deletion of arbitrary files outside of the wheel’s installation prefix on uninstall. uv does not use the RECORD fi
CVE-2025-13327medium · fixedCVSS 4
uv allows ZIP payload obfuscation through parsing differentials
### Impact In versions 0.9.5 and earlier of uv, ZIP archives were handled in a manner that enabled two parsing differentials against other components of the Python packaging ecosystem: 1. Central directory entries in a ZIP archive can contain comment fields. However, uv would assume that these fields were not present, since they aren't widely used. Consequently, a ZIP archive could be constructed where uv would interpret the contents of a central directory comment field as ZIP control structur
GHSA-w476-p2h3-79g9info · fixed
uv has differential in tar extraction with PAX headers
### Impact In versions 0.9.4 and earlier of uv, tar archives containing PAX headers with file size overrides were not handled properly. As a result, an attacker could contrive a source distribution (as a tar archive) that would extract differently when installed via uv versus other Python package installers. The underlying parsing differential here originates with astral-tokio-tar, which disclosed this vulnerability as CVE-2025-62518. In practice, the impact of this vulnerability is **low**:
CVE-2025-54368medium · fixedCVSS 4
uv allows ZIP payload obfuscation through parsing differentials
## Impact In versions 0.8.5 and earlier of uv, remote ZIP archives were handled in a streamwise fashion, and file entries were not reconciled against the archive's central directory. This enabled two parser differentials against other Python package installers: 1. An attacker could contrive a ZIP archive that would extract with legitimate contents on some package installers, and malicious contents on others due to multiple local file entries. The attacker could choose which installer to target
Inventory
Tools (3)
Click any tool to inspect its schema.
~628 tokens total
Inventory
Prompts (4)
signal_summarize_chat_promptGenerate a summary prompt for recent messages in a specific chat.
signal_chat_topic_promptGenerate a prompt to analyze discussion topics in a chat.
signal_chat_sentiment_promptGenerate a prompt to analyze message sentiment in a chat.
signal_search_chat_promptGenerate a search prompt for finding specific text in a chat.
Community
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Frequently Asked Questions
- Is Signal Mcp Server safe to use?
- Signal Mcp Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
- How do I install Signal Mcp Server?
- Signal Mcp Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What can Signal Mcp Server do?
- Signal Mcp Server provides 3 tools: signal_list_chats, signal_get_chat_messages, signal_search_chat. See the full tools list on the server page for descriptions and parameters.
- What AI clients work with Signal Mcp Server?
- Signal Mcp Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
- Is Signal Mcp Server actively maintained?
- Signal Mcp Server is less actively maintained — last commit was 301 days ago. It has 7 GitHub stars.
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Community
Discussion
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