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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
19,913measured
6,428proven reliable
Harness Not measured yet

MCP server for Harness API integration

Package pypi : harness-mcp-server · website · measurements and details
agent-harnesses Not measured yet

Agent-harness picks, decision guides, setup templates, and skills; live GitHub/HN discovery.

Package pypi : agent-harnesses-mcp · website · measurements and details
agent-harness Not measured yet

MCP chaos-testing toolkit. Default: simulated demo. Configure proxy mode to test a real agent.

Package npm : cuonztech-agent-harness · website · measurements and details
kcp-harness — KCP compliance proxy Not measured yet

MCP compliance proxy between agent and tools: deterministic governance, fail-closed, audit trail.

Package npm : kcp-harness · website · measurements and details
MetaGO Agent Harness Not measured yet

Decision lock, anti-hallucination, meta-evolution and provenance for any MCP agent. 55 tools.

Package npm : @metago-ai/mcp-server · website · measurements and details
Agent Reliability Flaky · 86% over 7 checks Does the job (tested) · 6/6

Testing, benchmarking and auditing autonomous AI agents — methods, harnesses, evidence

MCP endpoint : https://agentreliability.dev/mcp?via=manifest · website · measurements and details
mcp-eval-runner Not measured yet

A standardized testing harness for MCP servers and agent workflows

Package npm : mcp-eval-runner · website · measurements and details
MCP Test Utils Not measured yet

Desktop UI automation for AI agents: verified clicks, UI Automation, OCR, scenario runs, recording

Package mcpb : https://github.com/JeenyJAI/mcp-test-utils/releases/download/v3.27.23/mcp-test-utils.exe · website · measurements and details
the-metis-fca-handbook-ai-harness-mcp Not measured yet

MCP server for FCA Handbook compliance analysis with verbatim citations.

Package pypi : fca-handbook-harness-mcp · website · measurements and details
agenthub-monitor Not measured yet

Renders a pipeline DAG and test-harness dashboard inline as an MCP App

Package mcpb : https://github.com/NEVELSK65/mcp-agenthub-monitor/releases/download/v1.0.0/agenthub-monitor.mcpb · website · measurements and details
Concord MCP Not measured yet

Cross-harness communication and shared work-state for AI coding agents.

Package npm : @concord-ai/concord-mcp · website · measurements and details
ejentum-mcp Being measured · 0% over 1 checks

Reasoning, code, anti-deception, memory harness MCP tools. Stdio or HTTPS api.ejentum.com/mcp

MCP endpoint : https://api.ejentum.com/mcp · website · measurements and details
NEUS MCP Private (key required)

The trust harness for AI agents. Set what an agent can do before it acts.

MCP endpoint : https://mcp.neus.network/mcp · website · measurements and details
gdharness Not measured yet

A harness for driving a Godot 4 project from an agent: addons, runtime bridge, MCP server, CLI.

Package npm : gdharness · website · measurements and details
laserbrain Not measured yet

The drift harness as an MCP server. Offline, no key — a fixed reference an agent checks against.

Package pypi : laserbrain · measurements and details
loadbay Being measured · 100% over 2 checks Real task being tested · 2/2

Catalog of 370+ open-source AI-agent harnesses. Search, list your own, earn USDC tips via x402.

MCP endpoint : https://loadbay.xyz/api/mcp · website · measurements and details
BountyVerdict Agent Decision Tools Being measured · 0% over 1 checks

Read-only GitHub bounty, agent harness, Actions failure, flake, and MCP tool-drift decisions.

MCP endpoint : https://bountyverdict-agent-production.mimirslab.workers.dev/mcp · website · measurements and details
MCP Protocol Conformance Not measured yet

MCP conformance test harness. JSON-RPC, OAuth 2.1 PKCE, schemas, smoke, annotations. CLI + lib.

Package npm : mcp-protocol-conformance · website · measurements and details
ducklab Not measured yet

Multi-LLM dev harness, MCP-operable: bugs, cycles, gates. Verdicts are exit codes, never opinions.

Package mcpb : https://github.com/jrullan/ducklab/releases/download/v0.7.0/ducklab-mcp.mcpb · website · measurements and details
harness-summit Not measured yet

Let coding agents on one machine message and wake each other. Run `harness-summit install` first.

Package npm : harness-summit · 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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