{"id":"ciresnave-json-mcp-server","name":"json-mcp-server","af_score":65.5,"security_score":22.8,"reliability_score":25.0,"what_it_does":"Provides a local Model Context Protocol (MCP) server exposing JSON-RPC tools to read, write/update, query (JSONPath), validate, and get help about JSON files—primarily for use by LLM/MCP clients via stdin/stdout.","best_when":"Running locally (or in a tightly sandboxed environment) with an MCP-compatible client, where file paths are controlled and the LLM needs structured access to JSON on disk.","avoid_when":"When you cannot control which file paths the agent can request, or when you require strong enterprise security guarantees (authZ/authN, audit, tenant isolation) that are not described here.","last_evaluated":"2026-04-04T19:42:13.936841+00:00","has_mcp":true,"has_api":false,"auth_methods":["None described (stdin/stdout MCP server)"],"has_free_tier":false,"known_gotchas":["Potentially unrestricted filesystem access via file_path argument—agents may attempt path traversal or unintended files unless constrained by the client/runtime.","Write modes (replace/merge_shallow/merge_deep/append) could produce unexpected results if the agent supplies incorrectly structured data.","Large JSON handling relies on tool parameters (limit/offset/start_index) and JSONPath correctness; overly broad JSONPath queries may still produce large outputs."],"error_quality":80.0}