r0idamcp
r0idamcp is a single-file MCP server plugin for IDA Pro that exposes reverse-engineering and IDB-editing capabilities (e.g., list/search functions/strings, decompile/disassemble, rename functions/variables, set comments, etc.) over an SSE endpoint (FastMCP-based). Intended to be used by MCP-capable LLM assistants to automate reverse engineering workflows inside/around IDA Pro.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
README suggests allowing firewall access to an SSE port and optionally binding to 127.0.0.1 for local-only connections. No authentication/authorization, TLS, scope model, or rate-limit documentation is provided in the README content. Secret handling practices are not described.
⚡ Reliability
Best When
You run IDA Pro and the MCP client on a trusted network (or localhost), and you want an agent to read and optionally modify an IDB as part of a controlled reverse-engineering session.
Avoid When
When the SSE endpoint could be reached by untrusted parties, or when security requirements demand authentication, fine-grained authorization, and robust rate-limit/error-contract documentation.
Use Cases
- • LLM-assisted navigation of an IDB (list functions/strings, search strings, get xrefs)
- • Automated decompilation/disassembly retrieval for specific addresses
- • Semi-automated IDB editing (rename functions, rename global/local variables, set comments, set prototypes/types)
- • Getting current selection context (current address/function) for interactive agent loops
- • Converting numbers between decimal/hex for analysis tasks
Not For
- • Internet-facing production deployments without additional network hardening
- • Use cases requiring strong authentication/authorization controls
- • Environments where agents must have auditable change logs or strict RBAC for IDB modifications
- • Workflows that require documented retry/idempotency semantics for safe automation
Interface
Authentication
README does not mention any authentication mechanism for the SSE endpoint. It only suggests allowing firewall access to port 26868 or using 127.0.0.1 for local-only connection.
Pricing
MIT-licensed open-source plugin; no SaaS pricing information provided.
Agent Metadata
Known Gotchas
- ⚠ SSE server appears intended for trusted network use; lack of documented auth can create security exposure if reachable.
- ⚠ IDB-mutation tools can produce irreversible changes during agent loops if safeguards are not implemented client-side.
- ⚠ Pagination is described via offset/count for listing functions/strings, but other endpoints do not clearly document pagination or result size limits.
Alternatives
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Scores are editorial opinions as of 2026-03-30.