api.roleplay.st v1.0 JSON CARD API & UTILITIES
guide.roleplay.st • OFFICIAL SPECIFICATIONS

SillyTavern Open Standards & Developer Specifications

Official technical reference documentation for character card specifications, JSON schema standards, prompt grammars, and engine integration rules.

Developer Portals: guide.roleplay.st (Specifications & Standards) api.roleplay.st (REST API Reference)
CORE SPEC V2.0

SillyTavern V2 Open Specification Standard

Complete JSON schema definition, root keys (spec, spec_version, data), system prompt injection, and alternate greetings array.

VERIFIED STANDARD Read Spec
PROMPT GRAMMAR

W++ Trait Grammar & Attribute Formatting

Syntax guidelines for bracketed character definitions [Mind(...)], attributes, and zero-drift prompt structures.

VERIFIED STANDARD Read Spec
INFRASTRUCTURE

Tokenizer Gauge & Context Window Budgeting

Mathematical token estimation rules, BPE tokenization budgeting, and context window compression strategies.

VERIFIED STANDARD Read Spec
Direct Deep-Linking Architecture

Any external application or gallery (including roleplayst.com) can deep-link directly to specific developer specifications, such as https://guide.roleplay.st/v2-spec or endpoint docs at https://api.roleplay.st/docs.