Pincer-MCP proxy tokens: keep real API keys out of agent memory while preserving MCP tool access
Agents often need credentials to be useful. They also read files, execute tools, and ingest untrusted content. That combination makes plaintext API keys in .env files, shell profiles, and agent config a poor default. Pincer-MCP takes a proxy-token approach: the agent receives a limited token, while
Grass Blog4 min read