Haggly
Compare paid agent endpoints (x402 + MCP) on price, uptime and real usage before you pay.
Should I use this
Quality & Safety
Findings (2)
- HIGHTool poisoning patterns detected
- MEDIUMTool description contains URL to non-standard domainin check_endpoint
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"haggly": {
"url": "https://hagglyai.com/mcp"
}
}
}Remote endpoints
https://hagglyai.com/mcpstreamable-httpWhat it can do
Tool inventory
Tools (4)
🟢find_best(task, max_price_usd, hide_flags, recent)
Given a plain-language task (e.g. 'web search', 'scrape a page to markdown', 'BTC price'), returns the recommended paid API endpoint and ranked alternatives with price per call, reliability score and real usage. Use before paying for an unfamiliar x402 API.
Input Schema
{
"type": "object",
"properties": {
"task": {
"type": "string",
"minLength": 2,
"maxLength": 300,
"description": "What the agent needs to do"
},
"max_price_usd": {
"description": "Budget per call in USD",
"type": "number",
"exclusiveMinimum": 0
},
"hide_flags": {
"description": "Warnings to leave out, e.g. [\"wallet-mismatch\", \"few-repeat-buyers\"]",
"type": "array",
"items": {
"type": "string",
"enum": [
"wallet-mismatch",
"price-mismatch",
"few-repeat-buyers",
"unusual-seller-traffic",
"test-listing"
]
}
},
"recent": {
"description": "true = only endpoints checked in the last 7 days",
"type": "boolean"
}
},
"required": [
"task"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🟢compare_category(category, max_price_usd, hide_flags, recent, limit)
Full ranked comparison of paid endpoints in one category. Call list_categories for valid ids.
Input Schema
{
"type": "object",
"properties": {
"category": {
"type": "string",
"description": "Category id, e.g. 'web-search'"
},
"max_price_usd": {
"type": "number",
"exclusiveMinimum": 0
},
"hide_flags": {
"description": "Warnings to leave out, e.g. [\"wallet-mismatch\", \"few-repeat-buyers\"]",
"type": "array",
"items": {
"type": "string",
"enum": [
"wallet-mismatch",
"price-mismatch",
"few-repeat-buyers",
"unusual-seller-traffic",
"test-listing"
]
}
},
"recent": {
"description": "true = only endpoints checked in the last 7 days",
"type": "boolean"
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 50
}
},
"required": [
"category"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🟢check_endpoint(url)
Returns the score, stored probe history, price and usage for an exact endpoint URL in Haggly's catalogue. Does not call the supplied URL. Haggly API documentation: https://hagglyai.com/openapi.json
Input Schema
{
"type": "object",
"properties": {
"url": {
"type": "string",
"format": "uri",
"description": "The endpoint URL, exactly as listed"
}
},
"required": [
"url"
],
"$schema": "https://json-schema.org/draft/2020-12/schema"
}🟢list_categories
Categories Haggly compares, with endpoint counts and the cheapest price per call.
Input Schema
{
"type": "object",
"properties": {},
"$schema": "https://json-schema.org/draft/2020-12/schema"
}Community
Evidence