Compare two texts line by line using an LCS diff
Compare two texts line by line using an LCS diff: exact additions, removals and context — in unified-diff style. Deterministic, unlike asking a model to 'find the differences'. Use this when an agent needs to exact line-level diff with unified-style output.
Answeringour last check, 2026-10-02
1 of 1checks answered this week
247 msmedian answer time
$0.002listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://agenttools-hub.vercel.app/api/v1/dev/diff
| Category | Everything else |
|---|---|
| Provider host | agenttools-hub.vercel.app |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-02 | valid payment request | 402 | $0.002 | 247 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"a": "price: 100\nquantity: 2\ntotal: 200",
"b": "price: 100\nquantity: 3\ntotal: 300",
"context": 1
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"a": {
"description": "Use \n for line breaks",
"type": "string"
},
"b": {
"description": "Changed text",
"type": "string"
},
"context": {
"description": "Context lines",
"type": "number"
}
},
"required": [
"a",
"b"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}