API Reference
Base URL: https://agentrank-ai.com — All responses are JSON — Auth guide
Free (v1) No API key required — 100 req/min per IP
GET
/api/v1/search Search across tools, skills, and agents. Returns ranked results sorted by score.
Query Parameters
Parameter Type Default Description
q string "" Search query. Empty returns top-ranked results. category string "all" Filter by type: tool, skill, agent, or omit for all. sort string "score" Sort order: score, rank, stars, freshness. limit integer 20 Results per page. Max 100. offset integer 0 Pagination offset. Example
curl
curl "https://agentrank-ai.com/api/v1/search?q=database&category=tool&limit=5"
Response
JSON
{
"query": "database",
"category": "tool",
"sort": "score",
"results": [
{
"type": "tool",
"id": "owner--repo",
"name": "owner/repo",
"description": "A database MCP server",
"score": 82.5,
"rank": 14,
"url": "https://agentrank-ai.com/tool/owner--repo/",
"raw": {
"stars": 1240,
"contributors": 8,
"dependents": 23,
"lastCommitAt": "2026-03-10T00:00:00Z",
"language": "TypeScript",
"license": "MIT",
"isArchived": false,
"topics": ["mcp", "database", "sqlite"]
}
}
],
"meta": { "total": 87, "limit": 5, "offset": 0 }
} GET
/api/v1/tool/{id} Get full detail for a single tool, skill, or agent. Includes score, rank, and signal breakdown.
Path Parameters
Parameter Type Description
id string GitHub owner--repo (use -- in place of /). Also accepts skill slugs. Example
curl
curl "https://agentrank-ai.com/api/v1/tool/modelcontextprotocol--servers"
Response
JSON
{
"type": "tool",
"id": "modelcontextprotocol--servers",
"name": "modelcontextprotocol/servers",
"description": "Model Context Protocol servers",
"score": 97.4,
"rank": 1,
"githubUrl": "https://github.com/modelcontextprotocol/servers",
"signals": {
"stars": 1.0,
"freshness": 0.98,
"issueHealth": 0.82,
"contributors": 1.0,
"dependents": 1.0,
"descriptionQuality": 0.9,
"licenseHealth": 1.0
},
"weights": {
"stars": 0.15,
"freshness": 0.25,
"issueHealth": 0.20,
"contributors": 0.10,
"dependents": 0.25,
"descriptionQuality": 0.03,
"licenseHealth": 0.02
},
"raw": { ... }
} Returns
404 if the tool is not in the index. GET
/api/v1/movers Returns tools with the largest rank changes over a lookback window. Useful for "biggest movers" content.
Query Parameters
Parameter Type Default Description
days integer 7 Lookback window in days. Max 30. limit integer 10 Number of results. Max 50. type string "tool" Filter by type: tool, skill, or omit for all. Example
curl
curl "https://agentrank-ai.com/api/v1/movers?days=7&limit=10"
Response
JSON
{
"movers": [
{
"full_name": "owner/repo",
"tool_type": "tool",
"current_rank": 12,
"prev_rank": 31,
"rank_delta": 19,
"current_score": 78.3,
"stars": 842,
"url": "https://agentrank-ai.com/tool/owner--repo/"
}
],
"meta": {
"today": "2026-03-18",
"prev_date": "2026-03-11",
"days": 7,
"count": 10
}
} GET
/api/v1/new-tools Returns tools newly added to the index within the last N days.
Query Parameters
Parameter Type Default Description
days integer 7 Lookback window in days. Max 30. limit integer 20 Number of results. Max 100. type string "tool" Filter by type: tool, skill, or omit for all. Example
curl
curl "https://agentrank-ai.com/api/v1/new-tools?days=14&limit=20"
Response
JSON
{
"tools": [
{
"full_name": "owner/new-tool",
"tool_type": "tool",
"rank": 284,
"score": 41.2,
"stars": 87,
"first_seen": "2026-03-15",
"url": "https://agentrank-ai.com/tool/owner--new-tool/"
}
],
"meta": {
"today": "2026-03-18",
"cutoff": "2026-03-04",
"days": 14,
"count": 18
}
} Pro (v2) Requires API key — 10,000 req/day — Get a key
All v2 endpoints require an API key in the Authorization header:
HTTP
Authorization: Bearer ark_pro_your_key_here
GET
/api/v2/search Pro Same as v1 search, but with an additional history parameter and tier metadata in responses.
Additional Parameters
Parameter Type Default Description
history string 0 Set to 1 to include 30-day rank history for each result. All v1 search parameters (q, category, sort, limit, offset) are also supported.
Example
curl
curl -H "Authorization: Bearer ark_pro_your_key" \ "https://agentrank-ai.com/api/v2/search?q=filesystem&history=1"
GET
/api/v2/tool/{id} Pro Same as v1 tool detail, but includes rankHistory — a 30-day array of {date, rank, score} entries.
Example
curl
curl -H "Authorization: Bearer ark_pro_your_key" \ "https://agentrank-ai.com/api/v2/tool/modelcontextprotocol--servers"
Additional Response Field
JSON
{
// ... all v1 fields ...
"rankHistory": [
{ "date": "2026-03-18", "rank": 1, "score": 97.4 },
{ "date": "2026-03-17", "rank": 1, "score": 97.2 },
{ "date": "2026-03-16", "rank": 2, "score": 96.8 }
// up to 30 entries
]
} POST
/api/v2/batch Pro Resolve up to 50 tool IDs in a single request. Returns a map of id → tool | null. Null means the tool is not in the index.
Request Body
Field Type Description
ids string[] Array of tool IDs in owner--repo format. Max 50. Example
curl
curl -X POST \
-H "Authorization: Bearer ark_pro_your_key" \
-H "Content-Type: application/json" \
-d '{"ids": ["modelcontextprotocol--servers", "owner--repo2"]}' \
"https://agentrank-ai.com/api/v2/batch" Response
JSON
{
"results": {
"modelcontextprotocol--servers": {
"type": "tool",
"id": "modelcontextprotocol--servers",
"score": 97.4,
"rank": 1
// ... full tool detail
},
"owner--repo2": null
}
} Returns
403 for free-tier keys. Pro and Enterprise only.Error responses
All errors return a JSON body with an error field:
JSON
{ "error": "Tool not found: owner--bad-repo" } Status Meaning
400Bad request (invalid parameter)
401Missing or invalid API key
403Insufficient tier for this endpoint
404Tool not found in index
429Rate limit exceeded
500Internal server error