# AI Signals (Signals API)

This MCP server gives agents daily AI signals, ranking changes, and cited model and repository lists. Use it to check what changed since the prior snapshot.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed, Gemini CLI
- Author: jiangzhangcc-glitch
- License: not stated · policy=link-only · description only; the file stays with the author
- Source: https://github.com/jiangzhangcc-glitch/signals-api-mcp
- Updated: 2026-10-15
- HTML: https://affpapa.org/en/nevibecode/mcp/ai-signals-signals-api

## What it does

Five tools expose the daily signal set from GitHub, Hugging Face, YouTube, and Silicon Valley news; differences from the previous snapshot; ranked models and repositories with citations; and available archive dates. When a rank cannot be derived, the entity is marked unranked with a reason.

Connect over HTTP to the hosted MCP endpoint, or run the local `mcp_server.py` file. The local setup needs Python 3.9+ and an MCP client configuration. It uses no separate dependencies or API key. The free data feed has one daily edition and four sources. Direct API calls need a `User-Agent` header: the CDN responds with HTTP 403 to empty headers and `Python-urllib`.

The server code uses the MIT license. Data uses CC BY 4.0 and requires attribution to Signals 4 (Signals API). Ranking citations give agents a source for reported values instead of leaving them to invent one.

## Requirements
- Remote server: `https://data.jiangzhang.ca/signals4/mcp`

## Install

### Claude Code (native platform)

**Platform CLI: remote server**
```bash
claude mcp add --transport http signals-api-mcp https://data.jiangzhang.ca/signals4/mcp
```

### Codex

**Platform CLI: remote server**
```bash
codex mcp add ai-signals-signals-api --url https://data.jiangzhang.ca/signals4/mcp
```

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "ai-signals-signals-api": {
            "url": "https://data.jiangzhang.ca/signals4/mcp"
        }
    }
}
```

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "ai-signals-signals-api": {
            "type": "http",
            "url": "https://data.jiangzhang.ca/signals4/mcp"
        }
    }
}
```

### Gemini CLI

**Platform CLI: remote server**
```bash
gemini mcp add -t http ai-signals-signals-api https://data.jiangzhang.ca/signals4/mcp
```

## When to use it
- retrieve the daily signals from four sources
- compare the latest snapshot with the previous one
- check model rankings and rank movement
- find the dates covered by the archive

## Example prompts
- Show today's signals and link each one to its source.
- Compare the snapshots and report new entries and ranking changes.
- List the top models with citations for their ranks.

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