Add tools to your agent and grant required permissions in databricks.yml. Use when: (1) Adding MCP servers, Genie spaces, vector search, or UC functions to agent, (2) Permission errors at runtime, (3) User says 'add tool', 'connect to', 'grant permission', (4) Configuring databricks.yml resources.
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tessl review fix ./agent-langchain-ts/.claude/skills/add-tools/SKILL.mdLow
Low-risk findings.
2 low severity findings. Worth noting, but not necessarily harmful.
The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.
The SKILL.md and examples/custom-mcp-server.md instruct adding external MCP servers (e.g., Genie spaces and vector-search via /api/2.0/mcp/..., or arbitrary custom MCP URLs) which the agent will query and ingest as tools, so it can consume untrusted third-party/unstructured content that may influence its actions.
The skill fetches instructions or code from an external URL at runtime, and the fetched content directly controls the agent’s prompts or executes code. This dynamic dependency allows the external source to modify the agent’s behavior without any changes to the skill itself.
The skill instantiates an McpServer with the URL https://mcp-my-server.cloud.databricks.com/mcp in agent.py and uses MCP endpoints at runtime to execute SQL/UC functions/vector-search operations on the remote server, meaning the agent relies on that external endpoint as a runtime dependency that can execute remote code.
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