# pump.fun Solana Data (MCP server)

> pump.fun Solana Data is an MCP server that adds finance tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Free, read-only pump.fun + Solana MCP: token discovery, on-chain analysis, SNS, 3D snapshots. It has 226 GitHub stars, is released under the Apache-2.0 license and runs locally with npx -y @three-ws/pumpfun-mcp.

Free, read-only pump.fun + Solana MCP server — token discovery, on-chain analysis, and live 3D snapshots. No API keys. A free, read-only Model Context Protocol server for pump.fun and Solana. It gives Claude — or any MCP client — live token discovery, on-chain bonding-curve and holder analysis, creator fee-claim tracking, Solana Name Service resolution, KOL signals, read-only swap quotes, and shareable live 3D token snapshots.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/nirholas/three.ws |
| GitHub stars | 226 |
| License | Apache-2.0 |
| Language | JavaScript |
| Transport | stdio |
| Packages | npm: @three-ws/pumpfun-mcp |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Finance |
| Latest release | v1.5.2 (Sep 30, 2026) |
| Last commit | Oct 7, 2026 |
| MCP registry name | io.github.nirholas/pumpfun-solana-mcp |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "pump-fun-solana-data": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/pumpfun-mcp"
      ],
      "env": {
        "PUMPFUN_MCP_URL": "your-value"
      }
    }
  }
}
```

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --env PUMPFUN_MCP_URL=your-value --transport stdio pump-fun-solana-data -- npx -y @three-ws/pumpfun-mcp
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "pump-fun-solana-data": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/pumpfun-mcp"
      ],
      "env": {
        "PUMPFUN_MCP_URL": "your-value"
      }
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "servers": {
    "pump-fun-solana-data": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/pumpfun-mcp"
      ],
      "env": {
        "PUMPFUN_MCP_URL": "your-value"
      }
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

## Environment variables

- `PUMPFUN_MCP_URL`: Override the canonical pump.fun MCP backend endpoint. Defaults to https://three.ws/api/pump-fun-mcp — set this only when self-hosting the handler.

## Tools

- `search_tokens`: Search pump.fun tokens by name, symbol, or mint.
- `get_token_details`: Full metadata for a mint.
- `get_bonding_curve`: Real/virtual reserves + graduation progress (on-chain).
- `get_token_trades`: Recent buy/sell history for a token.
- `get_trending_tokens`: Top tokens by market cap.
- `get_new_tokens`: Most recently launched tokens.
- `get_graduated_tokens`: Tokens that graduated to the Raydium AMM.
- `get_king_of_the_hill`: Highest-cap token still on the bonding curve.
- `get_token_holders`: Top holders with concentration analysis (on-chain).
- `get_creator_profile`: A creator's tokens with rug-pull risk flags.
- `kol_leaderboard`: Top KOL traders ranked by P&L for a 24h/7d/30d window.
- `pumpfun_list_claims`: Recent creator fee-claim events (on-chain).
- `pumpfun_watch_claims`: Fee claims for a creator within a look-back window.
- `pumpfun_first_claims`: First-ever creator claims — a cash-out signal.
- `pumpfun_quote_swap`: Read-only pump.fun AMM swap quote (no signing).
- `pumpfun_watch_whales`: Collect large trades on a token over a short window.
- `pumpfun_vanity_mint`: Grind a vanity Solana keypair (secret returned to caller, never stored).
- `sns_resolve`: Resolve a .sol domain to its owner wallet.
- `social_cashtag_sentiment`: Deterministic lexicon sentiment over supplied posts.
- `social_x_post_impact`: Correlate an X post to bonding-curve price impact.
- `pumpfun_bot_status`: Configuration + health of the pump.fun indexer backend — configured, healthy, and ping latency. Always available.
- `pumpfun_token_3d`: Live 3D snapshot of a token — composes metadata, holders, and graduation into a shareable three.ws/coin3d viewer…

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