MCP wrapper for Hashcat – automate hash cracking with natural language
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HASHCAT_PATH"": "C:\\path\\to\\hashcat\\hashcat.exe",HASHCAT_SESSION_DBHASHCAT_PRESETS_FILEHASHCAT_MODES_CSVHASHCAT_RATE_LIMITHASHCAT_RATE_WINDOWHASHCAT_MAX_RUNTIMEHASHCAT_MAX_OUTPUT_SIZEHASHCAT_TIMEOUTHASHCAT_QUICK_TIMEOUTHASHCAT_BENCHMARK_TIMEOUTHASHCAT_MAX_HASH_LENGTHHASHCAT_MAX_PATH_LENGTHHASHCAT_MAX_PLAINTEXT_LENGTHHASHCAT_DEFAULT_TIME_LIMIT_PER_HASHHASHCAT_MAX_MASK_LENGTHHASHCAT_MAX_CHARSET_LENGTHHASHCAT_MAX_HASH_TYPEHASHCAT_MAX_OUTPUT_LINESHASHCAT_MAX_LINE_LENGTHHASHCAT_SAFE_DIRS"": "C:\\wordlists"HASHCAT_DEFAULT_WORDLISTSHASHCAT_DEFAULT_RULESHASHCAT_LOG_LEVELLogging level: DEBUG, INFO, WARNING, ERROR (default: DEBUG)Tool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
23/23 tools missing one or more hints — identify_hash (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); crack_hash (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); benchmark_hashcat (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +20 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Destructive tools are labelled
4 tools perform destructive updates without destructiveHint — identify_hash deletes at line 375 (os.unlink(safe_filename)); crack_hash deletes at line 519 (os.unlink(os.path.join(HASHCAT_DIR, safe_filename))); show_cracked_hashes deletes at line 694 (os.unlink(hash_file))
Add destructiveHint:true to any tool whose handler calls .delete(), .upsert(), .update(), unlink, rm, DELETE, DROP, REPLACE INTO, or any operation that overwrites existing data.
Descriptions match behaviour
3 tools describe read intent but their handlers mutate — show_cracked_hashes (line 692: result = subprocess.run(cmd, capture_output=True, text=True, timeout=HASHCAT_QUICK_TIMEOUT)); get_backend_info (line 710: result = subprocess.run([HASHCAT_PATH, "-I"], capture_output=True, text=True, timeout=HASHCAT_QUICK_); get_gpu_status (line 1042: result = subprocess.run([HASHCAT_PATH, "-I"], capture_output=True, text=True, timeout=HASHCAT_QUICK_)
Rename the tool, rewrite the description, or move the side-effect into a separate clearly-named tool.
Tool inputs are validated
20/23 tool handlers declare input schemas (87%)
Declare an inputSchema with zod/joi/yup on every tool definition.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tests exist
No test files found
Add tests that exercise each declared tool.
Tool description accuracy
3 tools have description/behavior mismatches: show_cracked_hashes: description implies read-only but handler writes/deletes/executes; get_backend_info: description implies read-only but handler writes/deletes/executes; get_gpu_status: description implies read-only but handler writes/deletes/executes
Update tool descriptions to accurately reflect all capabilities — especially write, delete, or execute operations.
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