Reticle
Debug MCP Tool Calls from Claude/Cursor (Rust)
Details
- External ID
- 46510254
- Source
- HN
- Company
- —
- Product
- Reticle
- Website domain
- github.com
- Launched
- Jan. 6, 2026
- Cohort
- —
- Upvotes
- 5
- Upvotes percentile
- 0.09617918313570488
- Tags
- —
- Fetched at
- Sept. 7, 2026, 9:25 p.m.
- Updated at
- Sept. 7, 2026, 9:25 p.m.
Enrichment
- Theme
- Model Context Protocol developer tools
- Vertical
- Horizontal
- Function
- Dev tools
- Audience
- Developer
- AI stance
- AI feature
- Project type
- Commercial product
- Normalized one-liner
- debugger for mcp tool calls
- Manually corrected
- False
Could you build this?
Yes It is an open-source Rust proxy/CLI tool that intercepts and logs JSON-RPC tool calls following the Model Context Protocol specification.
Discussion
5 comments analyzed.
Competitors mentioned: mitmproxy, Charles, server-side logging
Concerns raised: Generic proxies don't see stdio/JSON-RPC traffic, Server logs only show half the story, No formal benchmarks yet, Client UI often hides raw requests/responses
Feature requests: Replay tool call functionality, Redaction rules, Session export, Support for Cline/Continue/OpenAI Agents SDK clients
Competitors
Other products that read as similar to this one — 352 launches clear the similarity bar, closest 8 shown.
Attention rank: #331 of 353 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 67 days after the earliest competitor.
- Tool for Testing MCP Servers · hn · 2026-01-07 · 5 upvotes · similarity 0.55
- mcp-tada · github · 2026-09-10 · 23 upvotes · similarity 0.49
- MCPBouncer · ph · 2026-09-14 · 1 upvotes · similarity 0.47
- MCPShark Viewer (VS Code/Cursor extension)- view MCP traffic in-editor · hn · 2025-12-17 · 28 upvotes · similarity 0.47
- Rust compiler in PHP emitting x86-64 executables · hn · 2026-03-01 · 66 upvotes · similarity 0.46
- MCP Security Scanning Tool for CI/CD · hn · 2025-11-25 · 12 upvotes · similarity 0.46
- MCP Traffic Analysis Tool · hn · 2025-11-17 · 38 upvotes · similarity 0.45
- Run Claude Code sessions on Linear issues via two MCP servers · hn · 2026-04-30 · 5 upvotes · similarity 0.45
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a dev tools tool for Sales yet.