| What it does | Open-source agent harness engineering platform built on OpenTelemetry
| Security scanner for AI agent configurations and MCP tool definitions
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| Stage | Startup
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| Founded | 2024
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| Based in | IN
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| Pricing model | Open source
| Freemium
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| Pricing | Open source (Apache 2.0): Free self-hosted with unlimited usage. Enterprise Edition: Contact sales for pricing. Cloud: Coming soon.
| Free: $0, no account needed. Pro: $19/mo or $190/yr. Team: $57/mo (3-user minimum) or $570/yr, then $19/mo per additional user.
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| Key features | - OpenTelemetry-native LLM tracing for every call, tool, and retrieval
- Agent evals with LLM-as-a-judge and heuristics
- Prompt Hub for versioning and deployment without code changes
- Guardrails for prompt injection, jailbreak, and sensitive topic detection
- Vault for encrypted API key management
- OpenGround for side-by-side LLM model comparison
- GPU monitoring for utilization, memory, temperature, and power
- Coding agent observability for Claude Code, Codex, and Cursor
- Cost tracking and latency monitoring
- 56+ integrations with LLMs, frameworks, and vector databases
| - Browser-based scanning for agent configurations
- CLI for local scans and CI enforcement
- 30+ security checks and secret detection
- OWASP and SOC 2 rule packs
- Gateway runtime enforcement for MCP requests
- GitHub App integration with pull request checks
- Optional AI-powered remediation guidance
- Policy-as-code via .fooguard.yml
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| What makes it different | - Self-host free forever under Apache 2.0 with unlimited usage and no per-trace fees
- OpenTelemetry-native traces exportable to Grafana, Datadog, or any OTLP backend
- Zero-code instrumentation with eBPF controller, native SDKs, or GPU collector
- Unified platform for traces, evals, guardrails, and prompts on the same production data
- Full data ownership and no vendor lock-in with exportable OpenTelemetry traces
| - Deterministic security rules rather than AI-based scoring
- Pre-deployment configuration analysis without agent execution
- Runtime enforcement via Gateway for supported MCP tool calls
- Audit logging and SIEM streaming for compliance
- Works across browser, CLI, GitHub, and API
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 63 ▼ −2 (down) since last check | 8 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 23 | 3 |
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| Citation Flow (Majestic) | 39 | 21 |
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| Referring domains (Majestic) | 483 | 18 |
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OpenLIT
Foo Guard