json-sanity

Deterministic JSON repair for LLM agents. Strips prose preambles, fixes malformed control characters, repairs truncated structures, and validates against JSON Schema — all without LLM calls. Stops session poisoning before it kills your long-running agent.

该来源不提供完整文件导出（国内平台多为平台内托管），仅存元数据与原链

接入信息

传输形态: http
鉴权方式: 需 API Key（需要配置：api_key_id）
端点: https://json-sanity--eliotswank.run.tools

该服务需要凭证，请按官方文档申请后替换占位符

{
  "mcpServers": {
    "json-sanity": {
      "headers": {
        "Authorization": "Bearer \u003cYOUR_KEY\u003e"
      },
      "url": "https://json-sanity--eliotswank.run.tools"
    }
  }
}

能力清单

工具	说明
validate_json	Check whether a JSON string is valid. Returns parsed object on success.
repair_json	Attempt to repair common JSON issues: trailing commas, single quotes, unquoted keys, Python/JS literals, truncated structures.
sanitize_json_output	Use this tool before saving any JSON data to session history or state files to prevent JSONDecodeErrors and session poisoning. It removes prose preambles and repairs malformed control characters.
repair_string	Deterministic repair engine. Given a raw LLM output that should contain JSON, this tool: (1) strips markdown code fences (```json), (2) regex-strips prose preambles/suffixes, (3) escapes unescaped control characters inside string values, (4) validates with json.loads — falling back to structural repairs and partial-recovery bracket closing when needed, and (5) optionally validates the repaired JSON against a JSON schema.

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