OPEN BETA — MANIFESTS NOW ON GITHUB

The CLI registry
for AI agents.

1000+ standardized CLI tools your agent can discover and invoke automatically. 10–32× cheaper than MCP. No more wasted tokens.

69+ OPEN-SOURCE CLIS
93.6% ROUTING ACCURACY
10–32× CHEAPER THAN MCP

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CLIbrary Brain API
# Your agent sends a natural language intent
$ curl -X POST api.clibrary.dev/v1/route \
  -H "Authorization: Bearer $CLIBRARY_KEY" \
  -d '{"intent": "query sales data from last week"}'

# Brain returns a ready-to-execute tool call
{
  "cli": "sql-runner",
  "params": {
    "query": "SELECT SUM(amount) FROM orders WHERE created_at > NOW() - INTERVAL 7 DAY"
  },
  "confidence": 0.94
}

WHY CLIBRARY

Stop wasting tokens
on tool discovery.

Today your agent reads thousands of tokens of tool documentation on every run. CLIbrary routes instantly.

WITHOUT CLIBRARY

Token cost per call3,000+ tokens
Tool selectionAgent guesses
Reliability~72%
Routing time> 2s

WITH CLIBRARY BRAIN

Token cost per call~150 tokens
Tool selection93.6% accurate
Reliability~100%
Routing time~500ms

HOW IT WORKS

Three things.
One standard.

CLIbrary is a manifest registry, a routing Brain, and a local CLI package — all working together.

MANIFESTS

Standardized tool descriptions

Every CLI tool has a manifest.json describing what it does, when to use it, and what parameters it accepts. Open source, MIT licensed.

BRAIN API

Intelligent routing engine

Send a natural language intent, get back a ready-to-execute tool call. Validated at 93.6% accuracy across 1,380 test cases.

CLI PACKAGE

pip install clibrary

Local manifest cache for instant offline search. Connect to Brain API for intelligent routing. Works with any agent framework.

CATEGORIES

Built for every
agentic workflow.

Manifests organized across 10 categories, covering the full stack of agent tasks.

ai-ml
devops
data
web
security
media
productivity
finance
science
networking

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