jsonlint.echovalue.dev WebMCP Tools, Schemas & Agent Capabilities

jsonlint.echovalue.dev

live Unverified (seed import) Developer Tools 4 tools imperative implementation

Fix invalid JSON (trailing commas, single quotes, comments), validate parse errors with line/column, and query data with jq filters. 100% client-side.

First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com

Answer 0 · Act 4 · Transact 0 · Score: Not yet scored

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apply_jq_filter

act imperative

Apply a jq-style filter to JSON using the page’s jq-lite engine.

Page: /

Input schema

Property	Type	Required	Description
`json`	string	no	Optional JSON string. If omitted, the current editor content is used.
`query`	string	yes	jq-style query such as .users, .[], map(.name), or select(.age > 18).

Raw JSON schema

{
  "type": "object",
  "properties": {
    "json": {
      "type": "string",
      "description": "Optional JSON string. If omitted, the current editor content is used."
    },
    "query": {
      "type": "string",
      "description": "jq-style query such as .users, .[], map(.name), or select(.age > 18)."
    }
  },
  "required": [
    "query"
  ],
  "additionalProperties": false
}

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