googleapis/mcp-toolbox
Documented errors, page 6 of 8. Back to googleapis/mcp-toolbox
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| failed to read manual PRM file at startup | error_code | error | go, file-io, oauth, configuration |
| unclosed subquery parenthesis | validation | error | bigquery, sql-parsing, syntax-error |
| `audience` is not allowed when `mcpEnabled` is false | validation | error | go, auth, google, config-validation |
| failed to find default credentials | exception | error | gcp, cloud-monitoring, authentication, adc, go |
| path traverses unresolvable symbolic link | validation | error | |
| invalid allowedDataset format | validation | error | config, validation, bigquery, datasets |
| 'model' must be a string, got %T | validation | error | parameters, type-mismatch, looker |
| unable to create connection client | exception | error | falkordb, client-init, network, configuration |
| failed to marshal request | exception | error | json, serialization |
| Invalid number input for | validation | error | firestore, array, error-wrapping |
| failed to delete bucket | exception | error | gcs, cloud-storage, delete, bucket, wrap-error |
| failed to read Google tokeninfo response | exception | error | go, auth, google, network, io |
| failed to search for VM | exception | error | gcp, compute-engine, api-error, permissions |
| unable to parse YAML | validation | critical | yaml, config, startup, syntax |
| failed to delete materialized view | exception | error | gcp, bigtable, admin-api, permissions |
| `tnsAdmin` can only be used when `UseOCI` is true, or use… | validation | error | configuration, oracle, wallet, oci |
| path cannot contain dot segments (..) | validation | error | http, path-traversal, url-validation, security |
| scopesRequired must be a list of strings | validation | error | config, yaml, scopes, validation |
| unclosed backtick identifier | validation | error | bigquery, sql-parsing, identifier-quoting |
| failed to get operations client | exception | error | |
| unable to create storage.NewClient for project | exception | critical | gcs, authentication, client-init, wrap-error |
| error extracting batch details from name | exception | error | |
| error unmarshalling HTTP method | validation | error | yaml, configuration, unmarshalling, http |
| %g is above the maximum value | validation | error | go, validation, parameters, range-check |
| unable to initialize http log | exception | error | go, logging, configuration, cli |
| failed to parse introspection URL | exception | error | url, configuration, oauth |
| failed to create bucket | exception | error | gcs, bucket-creation, iam, name-conflict, cloudstorage |
| header param got value of type %t, not string | validation | error | http, headers, type-error, parameters |
| invalid parameter type, expected array of type string | validation | error | templates, parameters, type-mismatch |
| error parsing URL path | exception | error | go, http, url, template |
| failed to create Google tokeninfo request | exception | error | go, auth, google, http-request, network |
| failed to decode Google tokeninfo response | exception | error | go, auth, google, json, network |
| failed to unmarshal cluster JSON | exception | error | dataproc, serialization, json |
| path contains '.. | validation | error | |
| path escapes configured directory | validation | error | |
| resource conflicts detected | validation | error | config-merge, naming-conflict, multi-file |
| unsupported language | validation | error | validation, code-generation, parameters |
| can't convert ' ' to array of strings | validation | error | go, parameter-validation, dicom, type-mismatch |
| expected item at index | validation | error | parameters, type-mismatch, arrays |
| health info should not empty for | exception | error | dgraph, health-check, empty-response |
| log format must be one of "standard", or "json" | validation | error | cli, flags, logging, validation |
| missing credentials for Gemini embedding: For Google AI… | validation | error | go, gemini, embedding, credentials, env-vars |
| ipType invalid: must be one of "public", "private", or "psc" | validation | error | config, yaml, validation |
| error decoding raw message | exception | error | json, streaming, network, bigquery |
| invalid retryBaseDelay | validation | error | config, duration, validation, cockroachdb |
| tool config error: parameter (index ) references ' ' in the… | validation | error | config, tools, parameters, validation |
| unable to parse config file at | exception | error | yaml, config-parsing, validation |
| failed to count label | exception | error | |
| unable to parse rows | exception | error | cassandra, query, row-parsing |
| elasticsearch error: status | http | error | elasticsearch, http-status, response-parsing, esql |
| failed to unmarshal json | exception | error | json, cloud-monitoring, http |
| URL scheme must be https, got | validation | error | https, security, ssrf, url-validation |
| querying non-dataset-level INFORMATION_SCHEMA view | validation | error | |
| `authRequired` and `useClientOAuth` are mutually exclusive… | validation | error | config, auth, tools, validation |
| invalid collection path: must have an odd number of… | validation | error | |
| looker API response or its fields object is nil | exception | error | looker, nil-check, api-response |
| can't convert fields to array of strings | validation | error | parameters, type-conversion, looker |
| `introspectionParamName` is not allowed when `mcpEnabled`… | validation | error | configuration, auth, oidc, validation |
| `scopesRequired` is not allowed when `mcpEnabled` is false | validation | error | go, auth, google, config-validation, scopes |
| source declared more than once | validation | error | yaml, config, duplicate |
| failed to marshal query body | exception | error | serialization, json, elasticsearch |
| authService declared more than once | validation | error | yaml, config, duplicate, auth |
| error parsing URL | validation | error | go, http, template, url |
| failed to list data assets: code= | error_code | error | gcp, dataplex, grpc, iam, permissions |
| cannot resolve path : no existing ancestor | validation | error | |
| Invalid JSON format for | validation | error | firestore, map, error-wrapping |
| invalid Oracle configuration | exception | error | configuration, oracle, validation |
| failed to reach graph | exception | error | |
| invalid connection name | validation | error | gcp, cloudsql, configuration, validation |
| dgraph url should not be empty | validation | error | dgraph, configuration, missing-config, startup |
| directory cannot be resolved | validation | error | |
| failed to list buckets in project | exception | error | gcs, iam, project, list-buckets, cloudstorage |
| failed to read object | exception | error | network, io, read-object, gcs, cloudstorage |
| invalid ' ' parameter; expected a string array | validation | error | go, parameter-validation, dicom, type-mismatch |
| object in bucket | exception | error | encoding, utf8, binary-content, read-object, cloudstorage |
| unsupported valueType | validation | error | yaml-config, map-parameter, unsupported-type, mcp-toolbox |
| failed to call userinfo endpoint | exception | error | |
| parameter name must be unique across all parameter fields… | validation | error | configuration, parameters, validation |
| exceeded max retries waiting for operation | http | error | |
| invalid protocol: , must be one of: http, https | validation | error | clickhouse, configuration, validation |
| failed to execute request | exception | error | network, http, timeout |
| issuer not found in config | validation | error | go, oidc, discovery, config |
| is not a valid http method | validation | error | yaml, configuration, http, validation |
| is not a valid type of embedding model | validation | error | config, yaml, embedding, validation |
| directory is invalid | validation | error | |
| error parsing base URL | exception | error | go, http, url, config |
| failed to get metadata for created bucket | exception | warning | gcs, metadata, retry, bucket-creation, cloudstorage |
| error getting logger from context in… | exception | error | logging, context, looker |
| request failed with status | http | error | http, api-error, permissions, rest |
| failed to list data assets | exception | error | gcp, dataplex, grpc, network, pagination |
| jwks_uri not found in config | validation | error | go, oidc, jwks, discovery |
| base URL must include scheme and host | validation | error | go, http, url, config |
| destination_dir is invalid for tool | validation | error | go, mcp-toolbox, configuration, path-validation |
| error during row iteration | exception | error | |
| invalid connection name format | validation | error | gcp, cloudsql, configuration, string-parsing |
| error initializing Redis client | exception | error | |
| failed to create dataproc session client | exception | error | |
| failed to delete logical view | exception | error | gcp, bigtable, admin-api, permissions |
| invalid collection path | validation | error | |
| log level must be one of "debug", "info", "warn", or "error" | validation | error | cli, flags, logging, validation |