Mcp Update Hijack Demo

1 tools. 1 can modify or destroy data without limits.

1 write tool that can modify data. Rate limits recommended.

Last updated:

1 can modify or destroy data
0 read-only
1 tools total
Read (0) Write / Execute (1) Destructive / Financial (0)

Write operations (hello) modify state. Without rate limits, an agent can make hundreds of changes in seconds — faster than any human can review or revert.

One command. Full control.

Intercept sits between your agent and Mcp Update Hijack Demo. Every tool call checked against your policy before it executes — so your agent can do its job without breaking things.

npx -y @policylayer/intercept scan -- npx -y @nottiboy1337/mcp-update-hijack-demo
Scans every tool. Generates a policy. Starts enforcing.
Works with Claude Code · Cursor · Claude Desktop · Windsurf · any MCP client
Rate limit write operations
hello:
  rules:
    - rate_limit: 30/hour

Prevents bulk unintended modifications from agents caught in loops.

WRITE 1 tools
How do I prevent bulk modifications through Mcp Update Hijack Demo? +

The Mcp Update Hijack Demo server has 1 write tools including hello. Set rate limits in your policy file -- for example, rate_limit: 10/hour prevents an agent from making more than 10 modifications per hour. Intercept enforces this at the transport layer.

How many tools does the Mcp Update Hijack Demo MCP server expose? +

1 tools across 1 categories: Write. 0 are read-only. 1 can modify, create, or delete data.

How do I add Intercept to my Mcp Update Hijack Demo setup? +

One line change. Instead of running the Mcp Update Hijack Demo server directly, prefix it with Intercept: intercept -c io-github-nottiboy137-update-hijack-demo.yaml -- npx -y @@nottiboy1337/mcp-update-hijack-demo. Download a pre-built policy from policylayer.com/policies/io-github-nottiboy137-update-hijack-demo and adjust the limits to match your use case.

policylayer/intercept

Control every MCP tool call
your agent makes.

Set budgets, approvals, and hard limits across MCP servers.

npx -y @policylayer/intercept init
Protect your agent in 30 seconds. Scans your MCP config and generates enforcement policies for every server.
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