Observed arrival · 2026-08-21

Context Fence Puts a Local Gate in Front of AI Agent Tools

contextfence.dev Observed source

Editorial interest 82/100 Selection signal · not a rating of the site

A local MCP policy proxy checks AI coding-agent requests against YAML rules before they reach a tool.

Landing page captured for the 2026-08-21 issue.

Why it surfaced

Context Fence responds to agent data leaks with a guard that stays on the developer’s machine: schema checks under 10ms, secret stripping, prompt-injection detection, and an append-only SQLite audit log. The site is unusually candid about its stage—there are no live customers yet, only internal tests and a hosted console on the roadmap.

A local MCP policy proxy checks AI coding-agent requests against YAML rules before they reach a tool.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

ƒJavaScriptBrowser-side code central

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