monarch-money-mcp-server
Warn
Audited by Gen Agent Trust Hub on Sep 16, 2026
Risk Level: MEDIUMEXTERNAL_DOWNLOADSINDIRECT_PROMPT_INJECTIONDATA_EXFILTRATION
Full Analysis
- [EXTERNAL_DOWNLOADS]: The installation process requires cloning an unverified third-party repository (
github.com/robcerda/monarch-mcp-server) and installing dependencies like theMonarchMoneyCommunitylibrary. These sources are not from verified or trusted organizations.\n- [DATA_EXFILTRATION]: The skill accesses and stores sensitive session data in~/.monarch/session.pickle. While this is part of the intended functionality for persistent authentication, it represents access to highly sensitive financial credentials.\n- [INDIRECT_PROMPT_INJECTION]: The skill retrieves transaction descriptions and notes from the Monarch Money API, which are untrusted inputs that could contain malicious instructions designed to influence the agent's behavior.\n - Ingestion points: Untrusted data is ingested via tools such as
get_transactionsandsearch_transactionsas described inSKILL.md.\n - Boundary markers: No delimiters or safety instructions are provided to the agent to prevent it from following commands embedded in the financial data.\n
- Capability inventory: The skill possesses powerful capabilities to modify financial data, including
create_transaction,update_transaction, andset_budget_amount.\n - Sanitization: There is no evidence of sanitization or filtering of the financial data before it is processed by the agent.
Audit Metadata