MCP For Claude Marketplace
UUID & ULID Generator

UUID & ULID Generator MCP Connector for Claude

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Stop LLMs from hallucinating fake or repeated IDs. Generate mathematically guaranteed v4 UUIDs and time-sortable ULIDs natively.

2 tools Official Updated Jun 28, 2026 Official Vinkius Partner
More Details Connect to Claude

LLMs lack entropy. If you ask an AI to generate 50 unique UUIDs for a database insert, it will often hallucinate invalid formats or repeat the same IDs. This MCP provides true cryptographic randomness to your agents.

The Superpowers

  • True Cryptographic Randomness: Leverages native Node.js crypto libraries to ensure 100% collision-free v4 UUIDs.
  • ULID Support: Need IDs that are lexicographically sortable by time? Generate ULIDs instantly to optimize your database indexing.
cryptographyrandomnessdata-integrityid-generationentropydatabase-schema

2 tools expose this connector's capabilities to your AI agent.

generate_ulid

Returns a time-ordered, Crockford Base32 encoded ID ideal for database primary keys that need chronological sorting. Generates a time-sortable ULID (Universally Unique Lexicographically Sortable Identifier)

generate_uuid

Returns a 128-bit universally unique identifier conforming to RFC 4122. Never attempt to fabricate UUIDs yourself. Generates a mathematically perfect v4 UUID using crypto randomness

See how to talk to your AI agent using UUID & ULID Generator.

Generate a completely random, collision-proof v4 UUID for a new database record.

✅ **Secure Generation:** The crypto engine returned `f47ac10b-58cc-4372-a567-0e02b2c3d479`.

I need a time-sortable ULID for high-performance PostgreSQL indexing.

✅ **ULID Created:** `01ARZ3NDEKTSV4RRFFQ69G5FAV` (Lexicographically sortable based on the current millisecond).

Please generate an array of 5 unique UUIDs to be used as API Keys.

✅ **Keys Generated:** Successfully bridged V8 crypto randomness to create 5 distinct UUID values.

Because LLMs guess characters based on patterns. They do not have access to a random number generator. The results are often mathematically invalid or non-unique.

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