Most Google Workspace MCPs let you read. This one lets you write — 28 authoring tools on top of taylorwilsdon/google_workspace_mcp, including markdown-to-Docs, smart chips, and recursive Drive copy.
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FASTMCP_SERVER_AUTH_GOOGLE_JWT_SIGNING_KEYexport ="$(openssl rand -hex 32)"WORKSPACE_MCP_OAUTH_PROXY_STORAGE_BACKENDmemory, disk, or valkey — see [storage backends](#oauth-proxy-storage-backends)WORKSPACE_MCP_OAUTH_PROXY_VALKEY_HOSTexport =redis.example.comFASTMCP_HOMEWORKSPACE_MCP_PORTexport =8000WORKSPACE_MCP_BASE_URIBase server URI (no port) — default http://localhostWORKSPACE_MCP_HOSTBind host — default 0.0.0.0WORKSPACE_EXTERNAL_URLExternal URL for reverse proxy setupsGOOGLE_OAUTH_CLIENT_SECRETexport ="..."WORKSPACE_MCP_CREDENTIALS_DIRGOOGLE_MCP_CREDENTIALS_DIRCredential directory — default ~/.google_workspace_mcp/credentialsGOOGLE_OAUTH_CLIENT_IDexport ="..."MCP_SINGLE_USER_MODEMCP_ENABLE_OAUTH21export =trueGOOGLE_CLIENT_SECRET_PATHCustom path to client_secret.jsonGOOGLE_PSE_API_KEYAPI key for Programmable Search EngineGOOGLE_PSE_ENGINE_IDSearch Engine ID for PSESESSION_TIMEGOOGLE_OAUTH_REDIRECT_URIexport ="http://localhost:${WORKSPACE_MCP_PORT}/oauth2callback"OAUTHLIB_INSECURE_TRANSPORTrequired* Set to 1 for development — allows http:// redirectOAUTHLIB_RELAX_TOKEN_SCOPEEXTERNAL_OAUTH21_PROVIDERtrue for external OAuth flow with bearer tokensWORKSPACE_MCP_STATELESS_MODEtrue for stateless container-friendly operationGOOGLE_SERVICE_ACCOUNT_KEY_FILEPath to service account JSON key file (domain-wide delegation)GOOGLE_SERVICE_ACCOUNT_KEY_JSONInline service account JSON key (alternative to file)OAUTH_CUSTOM_REDIRECT_URISComma-separated additional redirect URIsOAUTH_ALLOWED_ORIGINSComma-separated additional CORS originsWORKSPACE_ATTACHMENT_DIRDownloaded attachments dir — default ~/.workspace-mcp/attachments/WORKSPACE_MCP_URLRemote MCP endpoint URL for CLIPORTTool 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
108/108 tools missing one or more hints — start_google_auth (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); func (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_script_projects (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +105 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.
Tool handlers catch errors
Only 13/105 tool handlers wrap calls in try/catch (12%)
Wrap each tool handler body in try/catch and return a structured error response.
Tests exist
No test files found
Add tests that exercise each declared tool.
No access to sensitive paths
Reads sensitive paths: credentials, .credentials, credentials
Remove reads of sensitive system paths. If you genuinely need them, document why in the README.
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