ordinals-mcp
The most complete Bitcoin Ordinals MCP server. 24 tools covering inscriptions, runes, BRC-20 tokens, collections, rare sats, and marketplace data. Aggregates Hiro, Ordiscan, and Magic Eden APIs with intelligent caching and automatic failover.
The only alternative (ordiscan-mcp) has 25 npm downloads and covers a fraction of the surface. This server is the production-grade option.
Install
Or install globally:
npm install -g ordinals-mcp
ordinals-mcp
Add to your MCP config (claude_desktop_config.json or ~/.mcp.json):
{
"mcpServers": {
"ordinals": {
"command": "npx",
"args": ["-y", "ordinals-mcp@latest"],
"env": {
"HIRO_API_KEY": "your-key",
"ORDISCAN_API_KEY": "your-key"
}
}
}
}
At least one of HIRO_API_KEY or ORDISCAN_API_KEY is required. Both are free:
Inscriptions (5)
| Tool | Description | Key Params |
|---|
get_inscription | Full inscription details by ID or number | id |
search_inscriptions | Search inscriptions with filters (type, mime, date range) | query, filters |
get_inscription_content | Raw content of an inscription | id |
get_inscription_transfers | Transfer history for an inscription | id |
get_inscription_traits | Traits and attributes of an inscription | id |
Address Queries (4)
| Tool | Description | Key Params |
|---|
get_address_inscriptions | All inscriptions held by a Bitcoin address | address |
get_brc20_balances | BRC-20 token balances for an address | address |
get_rune_balances | Rune balances for an address | address |
get_address_rare_sats | Rare satoshis held by an address | address |
Runes (6)
| Tool | Description | Key Params |
|---|
get_rune_info | Detailed rune metadata (etching, supply, holders) | rune |
list_runes | List all runes with pagination and sorting | offset, limit |
get_rune_holders | Top holders of a specific rune | rune |
get_rune_activity | Recent activity (mints, transfers, burns) for a rune | rune |
get_rune_market_info | Market data -- floor price, volume, listings | rune |
get_rune_unlock_date | Unlock/availability date for time-locked runes | rune |
BRC-20 (3)
| Tool | Description | Key Params |
|---|
get_brc20_token | Token details (supply, limit, holders, deploy info) | ticker |
get_brc20_activity | Recent activity for a BRC-20 token | ticker |
get_brc20_holders | Top holders of a BRC-20 token | ticker |
Collections (3)
| Tool | Description | Key Params |
|---|
get_collection_info | Collection metadata, floor price, volume | slug |
get_collection_inscriptions | Inscriptions within a collection | slug |
get_collection_listings | Active marketplace listings for a collection | slug |
Sats & Transactions (3)
| Tool | Description | Key Params |
|---|
get_sat_info | Sat rarity, name, and inscription history | sat_number |
get_tx_inscriptions | Inscriptions in a Bitcoin transaction | txid |
get_tx_runes | Rune operations in a Bitcoin transaction | txid |
Why This One?
- 24 tools, full coverage. Inscriptions, runes, BRC-20, collections, rare sats, and marketplace data. No other Ordinals MCP covers all six categories.
- Multi-API with automatic failover. Aggregates Hiro (primary, 500 RPM), Ordiscan (fallback), and Magic Eden (marketplace). If one API rate-limits, requests automatically route to the next.
- Intelligent caching. TTLs tuned per data type -- sat rarity (24h), inscription metadata (5m), collection info (2m), balances (1m), marketplace listings (30s). Stale cache serves as last resort during outages.
Architecture
Request --> Cache (TTL + ETag)
|--> HIT: return cached
|--> MISS:
|--> Hiro (primary, 500 RPM)
| |--> Success: cache + return
| |--> Rate limited: Ordiscan (fallback) --> Stale cache (last resort)
|--> Magic Eden (marketplace-specific)
Environment Variables
| Variable | Required | Description |
|---|
HIRO_API_KEY | Yes* | Hiro API key (free) |
ORDISCAN_API_KEY | Yes* | Ordiscan API key (free) |
MAGIC_EDEN_API_KEY | No | Higher marketplace rate limits |
CACHE_TTL_SECONDS | No | Default cache TTL (default: 300) |
*At least one required.
Development
git clone https://github.com/ExpertVagabond/ordinals-mcp.git
cd ordinals-mcp
npm install
npm run build
npm run inspector
License
MIT -- Purple Squirrel Media