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The real catalog of tools for AI agents

Google tells you what exists. Faceabot tells you what holds up.

44,737real tools
29,284callable over HTTPS
19,924measured
6,554proven reliable
ai-cost-optimizer Reliable (measured) · 100% over 41 checks

Cloudflare Workers MCP server: ai-cost-optimizer

MCP endpoint : https://api.lazy-mac.com/ai-cost-optimizer/mcp · website · measurements and details
AI-Cost-CLI Not measured yet

AI API cost calculator, recommender & MCP server. 29 models across text/image/video/audio.

Package pypi : aicost-cli · website · measurements and details
Agent Cost Log Reliable (measured) · 100% over 11 checks

Cost per run, tool, model and day for AI agents, from one call or an OpenTelemetry export.

MCP endpoint : https://costlog.cloudforbots.com/mcp · website · measurements and details
AI API Cost Firewall & Rate Limiter Being measured · 0% over 1 checks

Token guard and rate limiter preventing runaway API cost spikes for OpenAI and Anthropic.

MCP endpoint : https://neon_innovation_lab--mcp-rate-limiter.apify.actor/mcp · website · measurements and details
infracost Not measured yet

MCP server for Infracost CLI integration - cloud cost estimates for Infrastructure as Code

Package npm : @downatthebottomofthemolehole/infracost-mcp-server · website · measurements and details
Model Ruler — AI Cost Calculators Flaky · 88% over 8 checks Does the job (tested) · 5/5

Read-only AI/LLM cost tools with current MCP discovery and attributable Registry transport.

MCP endpoint : https://modelruler.dev/mcp?dist=model_everywhere_registry_native_official_registry · website · measurements and details
Execute cost-optimal-model-selector-mcp Being measured · 0% over 1 checks

Premium agentic endpoint for cost-optimal-model-selector-mcp.

MCP endpoint : https://api.m2mcent.com/cost-optimal-model-selector-mcp/sse · measurements and details
Claude Cost Audit Being measured · 0% over 1 checks

Exact Claude API cost calc with real cache economics, plus a tiktoken-misuse scanner.

MCP endpoint : https://claude-cost-audit-mcp.mcpize.run/mcp · website · measurements and details
Tomorrow Central: Cloud Cost Sentinel Flaky · 88% over 8 checks

AWS pricing and cost estimates with no signup, plus read-only idle-resource scans of your account.

MCP endpoint : https://api.tomorrowcentral.com/mcp · website · measurements and details
GoAI Moat Cross-Border Cost & Profit Being measured · 0% over 2 checks

Landed cost, fees & profit calculators for cross-border Amazon, TikTok Shop and Shopify sellers.

MCP endpoint : https://profit.mcp.goaimoat.com/mcp · website · measurements and details
Yumi Cost-Aware Diagnostic Planner Reliable (measured) · 100% over 3 checks

Exact expected-cost diagnostic policies for caller-supplied finite deterministic fault models.

MCP endpoint : https://noqt.no-qt.chatgpt.site/api/yumi/probe-mcp · website · measurements and details
Cyntrisec CLI (Historical) Not measured yet

Historical AWS analysis CLI; not a current Cyntrisec product.

Package pypi : cyntrisec · website · measurements and details
Command+K Private (key required)

Set up and run an in-product AI assistant: widgets, knowledge, MCP connections, usage.

MCP endpoint : https://commandplusk.com/api/public/mcp · website · measurements and details
Zabbix AI CLI MCP Not measured yet

Task-shaped Zabbix access for AI agents: problems, host triage, metrics, maintenance windows.

Package oci : ghcr.io/stufently/zabbix-ai-cli-mcp:0.5.0 · website · measurements and details
Mode VC Chart: AI Inference Cost: Output Token Pricing for Flagship LLMs Private (key required)

Qwen3.8-Max rates within 30 Arena points of Claude Opus 5.5 for 3.3× less per output token..

MCP endpoint : https://modevc.com/api/mcp/chart-ai-inference-cost-comparison · website · measurements and details
AI Worlds CLI Knowledge Flaky · 86% over 7 checks Does the job (tested) · 6/6

Source-checked CLI guides and model-aware planning for Claude Code, Codex, and Grok Build.

MCP endpoint : https://mcp.claude-world.com/mcp · website · measurements and details
bcrypt cost prefix check, hash discarded Reliable (measured) · 100% over 7 checks

bcrypt cost prefix check, hash discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/bcrypt-cost-ok/mcp · website · measurements and details
Career Command Flaky · 97% over 38 checks Does the job (tested) · 37/37

AI interview practice and career preparation with user-controlled guidance.

MCP endpoint : https://evercraft-career-command.base44.app/functions/careerMcp · website · measurements and details
QA Test Server Being measured · 0% over 1 checks

Testing publish command

MCP endpoint : https://qa-test-cli-b955e6a8.alpic.live · measurements and details
Gabriel S. Gusmao: Research and Scientific CLIs Flaky · 89% over 9 checks Does the job (tested) · 8/8

Gabriel S. Gusmao: scientific ML, papers, and local JAX CLIs: KINN, Optinpy, mkin4py, xl2py.

MCP endpoint : https://www.gabrielgusmao.com/mcp · website · measurements and details

AI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt

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