googleapis/mcp-toolbox
Documented errors, page 2 of 8. Back to googleapis/mcp-toolbox
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| error fetching connections | exception | error | looker, api, network, authentication |
| failed to create column family | exception | error | gcp, bigtable, grpc, iam, schema |
| unable to scan row | exception | error | oracle, database-sql, row-scan, type-conversion |
| Mcp-Method header value | error_code | error | mcp, http-header, request-validation, go |
| failed to create Dataplex client for project | exception | error | gcp, dataplex, client-construction, network, initialization |
UNSUPPORTED_PROTOCOL_VERSION unsupported protocol version | http | error | mcp, protocol-version, negotiation, compatibility |
| failed to create table | exception | error | gcp, bigtable, grpc, iam, admin-api |
| API returned non-200 status | http | error | http, api, looker, auth |
| failed to find default Google Cloud credentials with scope | exception | error | gcp, authentication, adc, credentials |
| params must be a valid JSON string | validation | error | cli, json, input-validation |
| unable to create admin client | exception | error | gcp, bigtable, initialization, configuration |
| failed to list data scan jobs for scan | exception | error | dataplex, nil-iterator, client-init, gcp |
| invalid value for delay | validation | error | alloydb, configuration, duration-parsing, yaml |
METHOD_NOT_FOUND invalid method | error_code | error | mcp, jsonrpc, protocol, method-not-found |
| failed to move to in bucket | exception | error | gcs, move, object-not-found, permissions, emulator |
| group not found | console | error | go, config, cli-flag, group |
| unable to connect to Oracle successfully | exception | critical | oracle, database, network, authentication, ping |
| failed to build token-scoped Compute Engine client | exception | error | gcp, compute-engine, authentication, oauth |
| failed to create GDA HTTP client | exception | critical | gcp, authentication, http-client, credentials |
| unable to execute client | exception | error | bigtable, grpc, query-execution, network |
ErrDestinationExists download destination already exists | error_code | error | gcp, cloud-storage, file-exists, overwrite, agent-correctable |
| failed to create search entries iterator for project | exception | error | gcp, dataplex, search, iterator, nil-client |
| unable to retrieve source for tool | exception | error | go, cli, config, source-resolution |
| failed to count relationship type | exception | error | falkordb, graph, query-failure, timeout |
| failed to unmarshal operation bytes | error_code | error | go, serialization, json, alloydb |
| error marshalling message | exception | error | go, json, serialization, bigquery |
| error embedding parameters | exception | error | cli, parameters, templates, embeddings |
| unknow param type | exception | error | bigtable, parameters, type-mapping, configuration |
| source project and instance are required when restoring via… | validation | error | validation, cloudsql, missing-parameter, restore |
| %t is an excluded value | validation | error | parameter-validation, boolean, mcp-toolbox |
| invalid allowedIpRanges | validation | error | http, configuration, cidr, validation, security |
| no valid commands were built to execute | validation | error | valkey, redis, validation, empty-input |
| this tool is read-only and cannot execute write queries | validation | error | arcadedb, cypher, read-only, security |
| failed to get catalog client | exception | error | gcp, authentication, dataplex, client-initialization |
| toolset not found | console | error | go, config, cli-flag, toolset |
| unable to execute query | error_code | error | arcadedb, cypher, query-execution, network |
| error initializing Valkey client | exception | error | valkey, redis, connection, initialization |
| retrieved token is invalid or expired | exception | error | google-cloud, oauth2, token, authentication |
| errors encountered by results.Scan | exception | error | clickhouse, database, connection-drop, query-execution |
| Failed to encode PRM response | http | error | http, json, oauth, network, broken-pipe |
| failed to list relationship types | exception | error | falkordb, graph, query-failure, network |
| failed to update table | exception | error | gcp, bigtable, grpc, change-streams, admin-api |
| invalid FHIR URL path structure: path too short | validation | error | url-validation, fhir, pagination, path |
| unable to create instance admin client | exception | critical | gcp, bigtable, authentication, iam, configuration |
| failed to create Dataplex DataProduct client for project | exception | error | gcp, dataplex, client-construction, versioning, initialization |
| no connections found | exception | error | looker, configuration, empty-result |
| unable to read tool file at | console | error | cli, filesystem, migration |
| error reading start of json array | exception | error | json, streaming, looker, parsing |
| error fetching LookML models | exception | error | looker, api, network, sdk |
| failed to list logical views | exception | error | gcp, bigtable, grpc, iam, logical-views |
| failed to marshal payload | exception | error | go, json, serialization, bigquery |
| path must be relative and cannot override base host | validation | error | http, url-validation, ssrf, security |
| %t is not an allowed value | validation | error | go, validation, parameters, boolean |
| unable to create new client | exception | error | spanner, client-init, authentication |
| could not marshal operation | exception | error | gcp, cloudsql, json-marshal, operations |
| unknown action | validation | warning | go, looker, invalid-parameter, input-validation |
| failed to create Cloud Logging Admin client for project | exception | error | gcp, cloud-logging, authentication, go |
| failed to initialize AlloyDB source in read-only mode… | error_code | error | go, alloydb, read-only, configuration, version-compatibility |
| unable to connect to redis cluster | exception | error | redis, connection, cluster, go |
| unable to create driver | error_code | error | arcadedb, driver, configuration, uri |
| unable to explain query | exception | error | falkordb, graph-database, dry-run, redis-protocol |
| failed to build DSN | exception | error | database, trino, dsn, configuration |
| failed to get token from token source | exception | error | google-cloud, oauth2, network, authentication |
| error creating AlloyDB user | error_code | error | gcp, alloydb, rest-api, authorization, iam-user |
| sql.Open | exception | error | mysql, sql-open, configuration, dsn |
| missing 'name' field or it is not a string | validation | error | yaml, config, validation |
| can't convert pivots to array of strings | validation | error | looker, type-conversion, parameters |
| failed to read introspection response | exception | error | network, http, introspection |
| parameter cannot have both 'secure' set to true and… | validation | error | configuration, security, validation |
| unable to get rows affected | exception | warning | oracle, sql, rows-affected, driver |
| unable to parse as | validation | error | |
| error creating backup | exception | error | gcp, cloudsql, api-error, backup |
| failed to parse data quality spec JSON | validation | error | dataplex, json, protojson, data-quality, validation |
INVALID_PARAMS invalid tool name: tool with name | error_code | error | mcp, tools-call, authorization, invalid-params |
| VM not found in project | exception | error | gcp, compute-engine, resource-not-found |
| error parsing access token | exception | error | oauth, authentication, http-header, bearer-token |
| errors encountered when converting values | exception | error | mysql, type-conversion, sql, database |
| failed to create instance | exception | error | gcp, bigtable, provisioning, quota |
| incorrect settings | exception | error | looker, authentication, api, initialization |
| invalid parameters | validation | error | cli, parameters, schema-validation |
| document : error unmarshaling | validation | error | yaml, config, unmarshaling |
| failed to parse and verify JWT token | exception | error | go, jwt, auth, security |
| unable to connect to redis | exception | error | redis, connection, ping, go |
| failed to parse BaseUrl | validation | error | http, configuration, url, validation |
| failed to get instance | exception | error | gcp, bigtable, grpc, not-found |
| local path cannot be resolved for source | validation | error | filesystem, symlink, path-resolution, cloudstorage |
| unable to create client | exception | critical | gcp, bigtable, authentication, configuration |
| unknown tool type | error_code | error | go, config, registry, yaml, unknown-type |
| invalid Cloud SQL instance ID | validation | error | gcp, validation, cloudsql |
| no refresh JWT found in the response | exception | critical | authentication, jwt, refresh-token, dgraph, login |
| error marshlling json | exception | error | dgraph, json, serialization, parameters |
| failed to insert dry run job | exception | error | bigquery, dry-run, network, google-api |
| failed to unmarshal context from yaml | validation | error | yaml, cloudgda, unmarshal, config |
| invalid log level | validation | error | logging, configuration, go |
| %s: %s | error_code | error | gcp, telemetry, adc, configuration |
| failed to create ScyllaDB session | exception | error | scylladb, gocql, connection, go |
| failed to marshal operation to JSON | exception | error | dataplex, protojson, serialization, gcp |
| failed to marshal to JSON | validation | error | json, protobuf, serialization, serverlessspark |
| failed to marshal result | console | error | cli, json, serialization |
| failed to unmarshal runtimeConfig | validation | error | yaml, protobuf, schema-validation, serverlessspark, config |