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“Use “format_json”: Validate and pretty-print a string that is ALREADY valid JSON. Strict by design — it is a validity gate: valid JSON comes back formatted, an.”

“Use “generate_uuid”: Generate one or more cryptographically random UUID v4 identifiers. Use this when you need unique IDs for test fixtures, database records, se.”

“Use “hash_text”: Compute a cryptographic hash of a text string. Use when you need to verify data integrity, generate content fingerprints, hash passwords (pr.”

“Use “count_tokens”: Estimate the token count of a text string using the cl100k_base approximation (~4 chars/token). Call this BEFORE sending any text to an LLM.”

format_json — Validate and pretty-print a string that is ALREADY valid JSON. Strict by design — it is a validity gate: valid JSON comes back formatted, an

generate_uuid — Generate one or more cryptographically random UUID v4 identifiers. Use this when you need unique IDs for test fixtures, database records, se

hash_text — Compute a cryptographic hash of a text string. Use when you need to verify data integrity, generate content fingerprints, hash passwords (pr

count_tokens — Estimate the token count of a text string using the cl100k_base approximation (~4 chars/token). Call this BEFORE sending any text to an LLM

base64_encode — Encode a UTF-8 string to Base64. Use when you need to embed binary data, multi-line text, or special characters safely inside JSON fields, H

base64_decode — Decode a Base64 string back to UTF-8 text. Use for inspecting Base64-encoded API responses, JWT payload claims, config file values, or attac

url_encode — Percent-encode a string for safe use in URLs. Call this before programmatically building query strings, path segments, or form-encoded bodie

url_decode — Decode a percent-encoded URL string back to plain text. Use when parsing query parameters from raw URLs or when displaying encoded values to