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blz

by outfitter-dev

Overview

Provides fast, local documentation search and retrieval for AI agents, using llms.txt files for line-accurate citations.

Installation

Run Command
blz mcp-server

Environment Variables

  • BLZ_INSTALL_DIR
  • BLZ_VERSION
  • BLZ_DATA_DIR
  • BLZ_GLOBAL_CONFIG_DIR
  • BLZ_OUTPUT_FORMAT
  • BLZ_MAX_CHARS
  • RUST_LOG
  • CARGO_TARGET_DIR
  • XDG_CONFIG_HOME
  • XDG_DATA_HOME

Security Notes

The project exhibits a strong focus on security in its design and development practices, including explicit whitelisting for commands, robust input validation, path sanitization, and detailed dependency management (deny.toml). However, the documentation (docs/release/v1.3-risk-matrix.md) explicitly flags a 'Medium' severity SSRF (Server-Side Request Forgery) vulnerability via the `source-add` functionality. This means an attacker, or an autonomous AI agent, could potentially induce the server to make requests to internal IP addresses (e.g., 127.0.0.1, internal network services) if provided with a malicious URL. While this risk is mitigated in single-user local deployments and a fix is planned for v1.3.1, its presence means the server is not entirely safe for agentic use without strict input validation/sanitization by the agent itself, or in scenarios where the BLZ server is exposed in a multi-tenant environment (which is not its intended use case). No 'eval' or obfuscation was found, and sensitive tokens are handled via environment variables.

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Stats

Interest Score40
Security Score6
Cost ClassLow
Avg Tokens75
Stars16
Forks0
Last Update2026-01-17

Tags

documentationsearchlocal-firstAI agentsCLIMCP