SentinelAgent Guard
Firewall for MCP servers and AI agents
Details
- External ID
- 1258421
- Source
- PH
- Company
- —
- Product
- SentinelAgent Guard
- Website domain
- producthunt.com
- Launched
- Sept. 23, 2026
- Cohort
- —
- Upvotes
- 2
- Upvotes percentile
- 0.7405388069275176
- Tags
- Developer Tools, Artificial Intelligence, GitHub, Security
- Fetched at
- Sept. 25, 2026, 1:02 a.m.
- Updated at
- Sept. 25, 2026, 1:02 a.m.
Description
Guard sits in front of your MCP server and runs 22 deterministic checks across five layers on every call. It blocks tool poisoning, rug pulls (CVE-2025-54136), and hidden Unicode payloads in tool descriptions before they land. No AI model does the checking — same verdict every time, no token bill. Point your agent at Guard instead of building this yourself. Three ways to run the same engine: hosted gateway, embedded SDK, or sidecar CLI for Cursor / Claude Code / Copilot stdio servers.
Enrichment
- Theme
- Model Context Protocol developer tools
- Vertical
- Security
- Function
- Compliance & governance
- Audience
- Developer
- AI stance
- AI-native
- Project type
- Commercial product
- Normalized one-liner
- firewall for mcp servers and ai agents
- Manually corrected
- False
Could you build this?
Yes It acts as a deterministic JSON-RPC middleware proxy that inspects incoming Model Context Protocol requests and applies standard regex, Unicode normalization/sanitization, and schema validation rules.
Competitors
Other products that read as similar to this one — 286 launches clear the similarity bar, closest 8 shown.
Attention rank: #53 of 287 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 315 days after the earliest competitor.
- Guard Starter · ph · 2026-09-25 · 1 upvotes · similarity 0.62
- Foo Guard · ph · 2026-09-29 · 1 upvotes · similarity 0.59
- GuardAgent · ph · 2026-09-21 · 2 upvotes · similarity 0.57
- GuardiAgent · hn · 2025-11-21 · 9 upvotes · similarity 0.54
- mcp-audit-tool · github · 2026-09-26 · 120 upvotes · similarity 0.53
- Armour · hn · 2026-01-20 · 23 upvotes · similarity 0.52
- agent-harness · ph · 2026-09-10 · 3 upvotes · similarity 0.50
- MCPBouncer · ph · 2026-09-14 · 1 upvotes · similarity 0.49
Other launches for this product
- No other launches for this product.
Same idea, different domain
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