Memory Bank MCP
An MCP server that enables persistent memory, structured thinking sessions, and project-based knowledge management for Claude. It includes specialized coding tools for package discovery and reinvention prevention by validating code against existing libraries and APIs.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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spideynolove
Source: Glama
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Install from
The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.
These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.
create_memory_sessionstore_memoryrevise_memorycreate_collectionmerge_collectionanalyze_memoriesexport_session_to_fileexport_memories_to_filecreate_project_structureload_project_contextupdate_project_indexdiscover_packagesvalidate_package_usageexplore_existing_apisstore_codebase_patternload_codebase_contextprevent_reinvention_checkextract_tool_errorsget_tool_errorsresolve_tool_errorget_frequent_errorsget_attention_stateboost_memory_attentionreset_attention_stateanalyze_correctionsget_rule_violationsresolve_rule_violationTool 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
27/27 tools missing one or more hints — create_memory_session (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); store_memory (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); revise_memory (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +24 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
1 tool perform destructive updates without destructiveHint — reset_attention_state deletes at line 1569 (state_file.unlink())
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.
Tool inputs are validated
23/27 tool handlers declare input schemas (85%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
21/27 tool handlers wrap calls in try/catch (78%)
Wrap each tool handler body in try/catch and return a structured error response.
README present
No README found
Add a README.md describing the server and its tools.
Tests exist
No test files found
Add tests that exercise each declared tool.
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