fix: bound MCP HTTP body size#3216
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This pull request introduces a 10 MiB limit on MCP HTTP request bodies to prevent unbounded memory usage. It implements this using http.MaxBytesReader in the httpHandler and adds a corresponding unit test to verify the enforcement of this limit and the returned error response. Feedback suggests making this hardcoded limit configurable via the server configuration to accommodate use cases involving larger datasets.
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This pull request implements a configurable limit for MCP HTTP request body sizes to enhance server stability. It introduces a new --http-max-request-bytes flag, updates the ServerConfig and Server structs, and utilizes http.MaxBytesReader in the request handler to enforce the limit, returning a 413 Request Entity Too Large status when exceeded. Comprehensive tests were added to validate the default and custom limit behaviors. A review comment suggests removing a redundant check in the request handler since the limit is already initialized during server setup.
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We should also update /api endpoint
mcp-toolbox/internal/server/api.go
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## Summary - guard the MCP HTTP transport with http.MaxBytesReader capped at 10 MiB - translate over-sized bodies into HTTP 413 + JSON-RPC parse errors so clients see a deterministic failure - cover the body limit with an HTTP test to prevent regressions ## Testing - go test ./internal/server -run TestMcpRequestBodyLimit fixes #3103 Co-authored-by: Averi Kitsch <[email protected]> d4f4342
## Summary - guard the MCP HTTP transport with http.MaxBytesReader capped at 10 MiB - translate over-sized bodies into HTTP 413 + JSON-RPC parse errors so clients see a deterministic failure - cover the body limit with an HTTP test to prevent regressions ## Testing - go test ./internal/server -run TestMcpRequestBodyLimit fixes googleapis#3103 Co-authored-by: Averi Kitsch <[email protected]> d4f4342
## Summary - guard the MCP HTTP transport with http.MaxBytesReader capped at 10 MiB - translate over-sized bodies into HTTP 413 + JSON-RPC parse errors so clients see a deterministic failure - cover the body limit with an HTTP test to prevent regressions ## Testing - go test ./internal/server -run TestMcpRequestBodyLimit fixes googleapis#3103 Co-authored-by: Averi Kitsch <[email protected]> d4f4342
## Summary - guard the MCP HTTP transport with http.MaxBytesReader capped at 10 MiB - translate over-sized bodies into HTTP 413 + JSON-RPC parse errors so clients see a deterministic failure - cover the body limit with an HTTP test to prevent regressions ## Testing - go test ./internal/server -run TestMcpRequestBodyLimit fixes googleapis#3103 Co-authored-by: Averi Kitsch <[email protected]> d4f4342
🤖 I have created a release *beep* *boop* --- ## [1.5.0](v1.4.0...v1.5.0) (2026-06-18) ### Features * **auth/google:** Require audience or clientId for mcpEnabled ([#3450](#3450)) ([59f7b6e](59f7b6e)) * Enable per source level flags for sql commenter ([#3465](#3465)) ([ecce6b7](ecce6b7)) * **mcp:** Add URL parameter binding for HTTP transport ([#3112](#3112)) ([0cc7b37](0cc7b37)) * **scylladb:** Adding support for ScyllaDB source and tool ([#3119](#3119)) ([2dada83](2dada83)) * **server:** Add support for toolset filtering in prebuilt CLI flag ([#3245](#3245)) ([7cc4f65](7cc4f65)) * **skills:** Generate skills offline without live source connections ([#3388](#3388)) ([4c860b6](4c860b6)) * **skills:** Tolerate missing env vars during offline skills-generate ([#3399](#3399)) ([ea5d3e5](ea5d3e5)) * **source/cloud-storage:** Restrict bucket and local path access ([#3454](#3454)) ([2c3ca5d](2c3ca5d)) * **tools/bigquery:** Add per tool query label in BigQuery jobs ([#1975](#1975)) ([3f6a49f](3f6a49f)) * **tools/dataplex:** Add tools to support metadata enrichment workflow ([#3270](#3270)) ([05289aa](05289aa)) * **tools/mysql:** Add show-query-stats and list-all-locks tools for MySQL and Cloud SQL MySQL source ([#2954](#2954)) ([a9693bd](a9693bd)) * **tools:** Decouple tool initialization from sources ([#3355](#3355)) ([32a24e3](32a24e3)) ### Bug Fixes * **auth/dataplex:** Fix failing source with service account credentials ([#3369](#3369)) ([ba4deef](ba4deef)) * **bigquery:** Wire maximumBytesBilled into prebuilt config ([#3385](#3385)) ([4abbf6e](4abbf6e)) * Bound MCP HTTP body size ([#3216](#3216)) ([d4f4342](d4f4342)) * **config:** Add doc/line context to parse errors ([#2957](#2957)) ([4b097da](4b097da)) * Escape delimiter characters in applyEscape to prevent SQL injection ([#2811](#2811)) ([932519a](932519a)) * **npm:** Source binary version from cmd/version.txt ([#3417](#3417)) ([6ffbdec](6ffbdec)) * **prebuilt/alloydb-omni:** Require password env var explicitly ([#3398](#3398)) ([fcbe3e7](fcbe3e7)) * **server:** Fail if MCP auth is enabled together with enable-api ([#3435](#3435)) ([a6ff910](a6ff910)) * **server:** Return errors instead of panicking in InitializeConfigs ([#3397](#3397)) ([f48b01d](f48b01d)) * **source/cloudhealthcare:** Validate pageURL parameter to prevent SSRF ([#3453](#3453)) ([9abf47d](9abf47d)) * **source/dataplex,source/datalineage:** Specify cloud-platform scope for default credentials ([#3376](#3376)) ([13e8c36](13e8c36)) * **source/http:** Implement SSRF guard ([#3448](#3448)) ([24d7d29](24d7d29)) * **tool/bigquery-execute-sql:** Prevent dataset restriction bypass ([#3452](#3452)) ([ca6d5e3](ca6d5e3)) * **tool/mysql-get-query-plan:** Prevent query execution bypass and statement injection ([#3235](#3235)) ([7ed1e7b](7ed1e7b)) * **tool/spanner-sql,tool/spanner-execute-sql:** Use read-only annotations when readOnly is set ([#3338](#3338)) ([8bde0ec](8bde0ec)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <[email protected]>
🤖 I have created a release *beep* *boop* --- ## [1.5.0](v1.4.0...v1.5.0) (2026-06-18) ### Features * **auth/google:** Require audience or clientId for mcpEnabled ([#3450](#3450)) ([59f7b6e](59f7b6e)) * Enable per source level flags for sql commenter ([#3465](#3465)) ([ecce6b7](ecce6b7)) * **mcp:** Add URL parameter binding for HTTP transport ([#3112](#3112)) ([0cc7b37](0cc7b37)) * **scylladb:** Adding support for ScyllaDB source and tool ([#3119](#3119)) ([2dada83](2dada83)) * **server:** Add support for toolset filtering in prebuilt CLI flag ([#3245](#3245)) ([7cc4f65](7cc4f65)) * **skills:** Generate skills offline without live source connections ([#3388](#3388)) ([4c860b6](4c860b6)) * **skills:** Tolerate missing env vars during offline skills-generate ([#3399](#3399)) ([ea5d3e5](ea5d3e5)) * **source/cloud-storage:** Restrict bucket and local path access ([#3454](#3454)) ([2c3ca5d](2c3ca5d)) * **tools/bigquery:** Add per tool query label in BigQuery jobs ([#1975](#1975)) ([3f6a49f](3f6a49f)) * **tools/dataplex:** Add tools to support metadata enrichment workflow ([#3270](#3270)) ([05289aa](05289aa)) * **tools/mysql:** Add show-query-stats and list-all-locks tools for MySQL and Cloud SQL MySQL source ([#2954](#2954)) ([a9693bd](a9693bd)) * **tools:** Decouple tool initialization from sources ([#3355](#3355)) ([32a24e3](32a24e3)) ### Bug Fixes * **auth/dataplex:** Fix failing source with service account credentials ([#3369](#3369)) ([ba4deef](ba4deef)) * **bigquery:** Wire maximumBytesBilled into prebuilt config ([#3385](#3385)) ([4abbf6e](4abbf6e)) * Bound MCP HTTP body size ([#3216](#3216)) ([d4f4342](d4f4342)) * **config:** Add doc/line context to parse errors ([#2957](#2957)) ([4b097da](4b097da)) * Escape delimiter characters in applyEscape to prevent SQL injection ([#2811](#2811)) ([932519a](932519a)) * **npm:** Source binary version from cmd/version.txt ([#3417](#3417)) ([6ffbdec](6ffbdec)) * **prebuilt/alloydb-omni:** Require password env var explicitly ([#3398](#3398)) ([fcbe3e7](fcbe3e7)) * **server:** Fail if MCP auth is enabled together with enable-api ([#3435](#3435)) ([a6ff910](a6ff910)) * **server:** Return errors instead of panicking in InitializeConfigs ([#3397](#3397)) ([f48b01d](f48b01d)) * **source/cloudhealthcare:** Validate pageURL parameter to prevent SSRF ([#3453](#3453)) ([9abf47d](9abf47d)) * **source/dataplex,source/datalineage:** Specify cloud-platform scope for default credentials ([#3376](#3376)) ([13e8c36](13e8c36)) * **source/http:** Implement SSRF guard ([#3448](#3448)) ([24d7d29](24d7d29)) * **tool/bigquery-execute-sql:** Prevent dataset restriction bypass ([#3452](#3452)) ([ca6d5e3](ca6d5e3)) * **tool/mysql-get-query-plan:** Prevent query execution bypass and statement injection ([#3235](#3235)) ([7ed1e7b](7ed1e7b)) * **tool/spanner-sql,tool/spanner-execute-sql:** Use read-only annotations when readOnly is set ([#3338](#3338)) ([8bde0ec](8bde0ec)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <[email protected]> 45c0f86
🤖 I have created a release *beep* *boop* --- ## [1.5.0](googleapis/mcp-toolbox@v1.4.0...v1.5.0) (2026-06-18) ### Features * **auth/google:** Require audience or clientId for mcpEnabled ([googleapis#3450](googleapis#3450)) ([59f7b6e](googleapis@59f7b6e)) * Enable per source level flags for sql commenter ([googleapis#3465](googleapis#3465)) ([ecce6b7](googleapis@ecce6b7)) * **mcp:** Add URL parameter binding for HTTP transport ([googleapis#3112](googleapis#3112)) ([0cc7b37](googleapis@0cc7b37)) * **scylladb:** Adding support for ScyllaDB source and tool ([googleapis#3119](googleapis#3119)) ([2dada83](googleapis@2dada83)) * **server:** Add support for toolset filtering in prebuilt CLI flag ([googleapis#3245](googleapis#3245)) ([7cc4f65](googleapis@7cc4f65)) * **skills:** Generate skills offline without live source connections ([googleapis#3388](googleapis#3388)) ([4c860b6](googleapis@4c860b6)) * **skills:** Tolerate missing env vars during offline skills-generate ([googleapis#3399](googleapis#3399)) ([ea5d3e5](googleapis@ea5d3e5)) * **source/cloud-storage:** Restrict bucket and local path access ([googleapis#3454](googleapis#3454)) ([2c3ca5d](googleapis@2c3ca5d)) * **tools/bigquery:** Add per tool query label in BigQuery jobs ([googleapis#1975](googleapis#1975)) ([3f6a49f](googleapis@3f6a49f)) * **tools/dataplex:** Add tools to support metadata enrichment workflow ([googleapis#3270](googleapis#3270)) ([05289aa](googleapis@05289aa)) * **tools/mysql:** Add show-query-stats and list-all-locks tools for MySQL and Cloud SQL MySQL source ([googleapis#2954](googleapis#2954)) ([a9693bd](googleapis@a9693bd)) * **tools:** Decouple tool initialization from sources ([googleapis#3355](googleapis#3355)) ([32a24e3](googleapis@32a24e3)) ### Bug Fixes * **auth/dataplex:** Fix failing source with service account credentials ([googleapis#3369](googleapis#3369)) ([ba4deef](googleapis@ba4deef)) * **bigquery:** Wire maximumBytesBilled into prebuilt config ([googleapis#3385](googleapis#3385)) ([4abbf6e](googleapis@4abbf6e)) * Bound MCP HTTP body size ([googleapis#3216](googleapis#3216)) ([d4f4342](googleapis@d4f4342)) * **config:** Add doc/line context to parse errors ([googleapis#2957](googleapis#2957)) ([4b097da](googleapis@4b097da)) * Escape delimiter characters in applyEscape to prevent SQL injection ([googleapis#2811](googleapis#2811)) ([932519a](googleapis@932519a)) * **npm:** Source binary version from cmd/version.txt ([googleapis#3417](googleapis#3417)) ([6ffbdec](googleapis@6ffbdec)) * **prebuilt/alloydb-omni:** Require password env var explicitly ([googleapis#3398](googleapis#3398)) ([fcbe3e7](googleapis@fcbe3e7)) * **server:** Fail if MCP auth is enabled together with enable-api ([googleapis#3435](googleapis#3435)) ([a6ff910](googleapis@a6ff910)) * **server:** Return errors instead of panicking in InitializeConfigs ([googleapis#3397](googleapis#3397)) ([f48b01d](googleapis@f48b01d)) * **source/cloudhealthcare:** Validate pageURL parameter to prevent SSRF ([googleapis#3453](googleapis#3453)) ([9abf47d](googleapis@9abf47d)) * **source/dataplex,source/datalineage:** Specify cloud-platform scope for default credentials ([googleapis#3376](googleapis#3376)) ([13e8c36](googleapis@13e8c36)) * **source/http:** Implement SSRF guard ([googleapis#3448](googleapis#3448)) ([24d7d29](googleapis@24d7d29)) * **tool/bigquery-execute-sql:** Prevent dataset restriction bypass ([googleapis#3452](googleapis#3452)) ([ca6d5e3](googleapis@ca6d5e3)) * **tool/mysql-get-query-plan:** Prevent query execution bypass and statement injection ([googleapis#3235](googleapis#3235)) ([7ed1e7b](googleapis@7ed1e7b)) * **tool/spanner-sql,tool/spanner-execute-sql:** Use read-only annotations when readOnly is set ([googleapis#3338](googleapis#3338)) ([8bde0ec](googleapis@8bde0ec)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <[email protected]> 45c0f86
🤖 I have created a release *beep* *boop* --- ## [1.5.0](googleapis/mcp-toolbox@v1.4.0...v1.5.0) (2026-06-18) ### Features * **auth/google:** Require audience or clientId for mcpEnabled ([googleapis#3450](googleapis#3450)) ([59f7b6e](googleapis@59f7b6e)) * Enable per source level flags for sql commenter ([googleapis#3465](googleapis#3465)) ([ecce6b7](googleapis@ecce6b7)) * **mcp:** Add URL parameter binding for HTTP transport ([googleapis#3112](googleapis#3112)) ([0cc7b37](googleapis@0cc7b37)) * **scylladb:** Adding support for ScyllaDB source and tool ([googleapis#3119](googleapis#3119)) ([2dada83](googleapis@2dada83)) * **server:** Add support for toolset filtering in prebuilt CLI flag ([googleapis#3245](googleapis#3245)) ([7cc4f65](googleapis@7cc4f65)) * **skills:** Generate skills offline without live source connections ([googleapis#3388](googleapis#3388)) ([4c860b6](googleapis@4c860b6)) * **skills:** Tolerate missing env vars during offline skills-generate ([googleapis#3399](googleapis#3399)) ([ea5d3e5](googleapis@ea5d3e5)) * **source/cloud-storage:** Restrict bucket and local path access ([googleapis#3454](googleapis#3454)) ([2c3ca5d](googleapis@2c3ca5d)) * **tools/bigquery:** Add per tool query label in BigQuery jobs ([googleapis#1975](googleapis#1975)) ([3f6a49f](googleapis@3f6a49f)) * **tools/dataplex:** Add tools to support metadata enrichment workflow ([googleapis#3270](googleapis#3270)) ([05289aa](googleapis@05289aa)) * **tools/mysql:** Add show-query-stats and list-all-locks tools for MySQL and Cloud SQL MySQL source ([googleapis#2954](googleapis#2954)) ([a9693bd](googleapis@a9693bd)) * **tools:** Decouple tool initialization from sources ([googleapis#3355](googleapis#3355)) ([32a24e3](googleapis@32a24e3)) ### Bug Fixes * **auth/dataplex:** Fix failing source with service account credentials ([googleapis#3369](googleapis#3369)) ([ba4deef](googleapis@ba4deef)) * **bigquery:** Wire maximumBytesBilled into prebuilt config ([googleapis#3385](googleapis#3385)) ([4abbf6e](googleapis@4abbf6e)) * Bound MCP HTTP body size ([googleapis#3216](googleapis#3216)) ([d4f4342](googleapis@d4f4342)) * **config:** Add doc/line context to parse errors ([googleapis#2957](googleapis#2957)) ([4b097da](googleapis@4b097da)) * Escape delimiter characters in applyEscape to prevent SQL injection ([googleapis#2811](googleapis#2811)) ([932519a](googleapis@932519a)) * **npm:** Source binary version from cmd/version.txt ([googleapis#3417](googleapis#3417)) ([6ffbdec](googleapis@6ffbdec)) * **prebuilt/alloydb-omni:** Require password env var explicitly ([googleapis#3398](googleapis#3398)) ([fcbe3e7](googleapis@fcbe3e7)) * **server:** Fail if MCP auth is enabled together with enable-api ([googleapis#3435](googleapis#3435)) ([a6ff910](googleapis@a6ff910)) * **server:** Return errors instead of panicking in InitializeConfigs ([googleapis#3397](googleapis#3397)) ([f48b01d](googleapis@f48b01d)) * **source/cloudhealthcare:** Validate pageURL parameter to prevent SSRF ([googleapis#3453](googleapis#3453)) ([9abf47d](googleapis@9abf47d)) * **source/dataplex,source/datalineage:** Specify cloud-platform scope for default credentials ([googleapis#3376](googleapis#3376)) ([13e8c36](googleapis@13e8c36)) * **source/http:** Implement SSRF guard ([googleapis#3448](googleapis#3448)) ([24d7d29](googleapis@24d7d29)) * **tool/bigquery-execute-sql:** Prevent dataset restriction bypass ([googleapis#3452](googleapis#3452)) ([ca6d5e3](googleapis@ca6d5e3)) * **tool/mysql-get-query-plan:** Prevent query execution bypass and statement injection ([googleapis#3235](googleapis#3235)) ([7ed1e7b](googleapis@7ed1e7b)) * **tool/spanner-sql,tool/spanner-execute-sql:** Use read-only annotations when readOnly is set ([googleapis#3338](googleapis#3338)) ([8bde0ec](googleapis@8bde0ec)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <[email protected]> 45c0f86
🤖 I have created a release *beep* *boop* --- ## [1.5.0](googleapis/mcp-toolbox@v1.4.0...v1.5.0) (2026-06-18) ### Features * **auth/google:** Require audience or clientId for mcpEnabled ([googleapis#3450](googleapis#3450)) ([59f7b6e](googleapis@59f7b6e)) * Enable per source level flags for sql commenter ([googleapis#3465](googleapis#3465)) ([ecce6b7](googleapis@ecce6b7)) * **mcp:** Add URL parameter binding for HTTP transport ([googleapis#3112](googleapis#3112)) ([0cc7b37](googleapis@0cc7b37)) * **scylladb:** Adding support for ScyllaDB source and tool ([googleapis#3119](googleapis#3119)) ([2dada83](googleapis@2dada83)) * **server:** Add support for toolset filtering in prebuilt CLI flag ([googleapis#3245](googleapis#3245)) ([7cc4f65](googleapis@7cc4f65)) * **skills:** Generate skills offline without live source connections ([googleapis#3388](googleapis#3388)) ([4c860b6](googleapis@4c860b6)) * **skills:** Tolerate missing env vars during offline skills-generate ([googleapis#3399](googleapis#3399)) ([ea5d3e5](googleapis@ea5d3e5)) * **source/cloud-storage:** Restrict bucket and local path access ([googleapis#3454](googleapis#3454)) ([2c3ca5d](googleapis@2c3ca5d)) * **tools/bigquery:** Add per tool query label in BigQuery jobs ([googleapis#1975](googleapis#1975)) ([3f6a49f](googleapis@3f6a49f)) * **tools/dataplex:** Add tools to support metadata enrichment workflow ([googleapis#3270](googleapis#3270)) ([05289aa](googleapis@05289aa)) * **tools/mysql:** Add show-query-stats and list-all-locks tools for MySQL and Cloud SQL MySQL source ([googleapis#2954](googleapis#2954)) ([a9693bd](googleapis@a9693bd)) * **tools:** Decouple tool initialization from sources ([googleapis#3355](googleapis#3355)) ([32a24e3](googleapis@32a24e3)) ### Bug Fixes * **auth/dataplex:** Fix failing source with service account credentials ([googleapis#3369](googleapis#3369)) ([ba4deef](googleapis@ba4deef)) * **bigquery:** Wire maximumBytesBilled into prebuilt config ([googleapis#3385](googleapis#3385)) ([4abbf6e](googleapis@4abbf6e)) * Bound MCP HTTP body size ([googleapis#3216](googleapis#3216)) ([d4f4342](googleapis@d4f4342)) * **config:** Add doc/line context to parse errors ([googleapis#2957](googleapis#2957)) ([4b097da](googleapis@4b097da)) * Escape delimiter characters in applyEscape to prevent SQL injection ([googleapis#2811](googleapis#2811)) ([932519a](googleapis@932519a)) * **npm:** Source binary version from cmd/version.txt ([googleapis#3417](googleapis#3417)) ([6ffbdec](googleapis@6ffbdec)) * **prebuilt/alloydb-omni:** Require password env var explicitly ([googleapis#3398](googleapis#3398)) ([fcbe3e7](googleapis@fcbe3e7)) * **server:** Fail if MCP auth is enabled together with enable-api ([googleapis#3435](googleapis#3435)) ([a6ff910](googleapis@a6ff910)) * **server:** Return errors instead of panicking in InitializeConfigs ([googleapis#3397](googleapis#3397)) ([f48b01d](googleapis@f48b01d)) * **source/cloudhealthcare:** Validate pageURL parameter to prevent SSRF ([googleapis#3453](googleapis#3453)) ([9abf47d](googleapis@9abf47d)) * **source/dataplex,source/datalineage:** Specify cloud-platform scope for default credentials ([googleapis#3376](googleapis#3376)) ([13e8c36](googleapis@13e8c36)) * **source/http:** Implement SSRF guard ([googleapis#3448](googleapis#3448)) ([24d7d29](googleapis@24d7d29)) * **tool/bigquery-execute-sql:** Prevent dataset restriction bypass ([googleapis#3452](googleapis#3452)) ([ca6d5e3](googleapis@ca6d5e3)) * **tool/mysql-get-query-plan:** Prevent query execution bypass and statement injection ([googleapis#3235](googleapis#3235)) ([7ed1e7b](googleapis@7ed1e7b)) * **tool/spanner-sql,tool/spanner-execute-sql:** Use read-only annotations when readOnly is set ([googleapis#3338](googleapis#3338)) ([8bde0ec](googleapis@8bde0ec)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <[email protected]> 45c0f86
🤖 I have created a release *beep* *boop* --- ## [1.5.0](googleapis/mcp-toolbox@v1.4.0...v1.5.0) (2026-06-18) ### Features * **auth/google:** Require audience or clientId for mcpEnabled ([googleapis#3450](googleapis#3450)) ([59f7b6e](googleapis@59f7b6e)) * Enable per source level flags for sql commenter ([googleapis#3465](googleapis#3465)) ([ecce6b7](googleapis@ecce6b7)) * **mcp:** Add URL parameter binding for HTTP transport ([googleapis#3112](googleapis#3112)) ([0cc7b37](googleapis@0cc7b37)) * **scylladb:** Adding support for ScyllaDB source and tool ([googleapis#3119](googleapis#3119)) ([2dada83](googleapis@2dada83)) * **server:** Add support for toolset filtering in prebuilt CLI flag ([googleapis#3245](googleapis#3245)) ([7cc4f65](googleapis@7cc4f65)) * **skills:** Generate skills offline without live source connections ([googleapis#3388](googleapis#3388)) ([4c860b6](googleapis@4c860b6)) * **skills:** Tolerate missing env vars during offline skills-generate ([googleapis#3399](googleapis#3399)) ([ea5d3e5](googleapis@ea5d3e5)) * **source/cloud-storage:** Restrict bucket and local path access ([googleapis#3454](googleapis#3454)) ([2c3ca5d](googleapis@2c3ca5d)) * **tools/bigquery:** Add per tool query label in BigQuery jobs ([googleapis#1975](googleapis#1975)) ([3f6a49f](googleapis@3f6a49f)) * **tools/dataplex:** Add tools to support metadata enrichment workflow ([googleapis#3270](googleapis#3270)) ([05289aa](googleapis@05289aa)) * **tools/mysql:** Add show-query-stats and list-all-locks tools for MySQL and Cloud SQL MySQL source ([googleapis#2954](googleapis#2954)) ([a9693bd](googleapis@a9693bd)) * **tools:** Decouple tool initialization from sources ([googleapis#3355](googleapis#3355)) ([32a24e3](googleapis@32a24e3)) ### Bug Fixes * **auth/dataplex:** Fix failing source with service account credentials ([googleapis#3369](googleapis#3369)) ([ba4deef](googleapis@ba4deef)) * **bigquery:** Wire maximumBytesBilled into prebuilt config ([googleapis#3385](googleapis#3385)) ([4abbf6e](googleapis@4abbf6e)) * Bound MCP HTTP body size ([googleapis#3216](googleapis#3216)) ([d4f4342](googleapis@d4f4342)) * **config:** Add doc/line context to parse errors ([googleapis#2957](googleapis#2957)) ([4b097da](googleapis@4b097da)) * Escape delimiter characters in applyEscape to prevent SQL injection ([googleapis#2811](googleapis#2811)) ([932519a](googleapis@932519a)) * **npm:** Source binary version from cmd/version.txt ([googleapis#3417](googleapis#3417)) ([6ffbdec](googleapis@6ffbdec)) * **prebuilt/alloydb-omni:** Require password env var explicitly ([googleapis#3398](googleapis#3398)) ([fcbe3e7](googleapis@fcbe3e7)) * **server:** Fail if MCP auth is enabled together with enable-api ([googleapis#3435](googleapis#3435)) ([a6ff910](googleapis@a6ff910)) * **server:** Return errors instead of panicking in InitializeConfigs ([googleapis#3397](googleapis#3397)) ([f48b01d](googleapis@f48b01d)) * **source/cloudhealthcare:** Validate pageURL parameter to prevent SSRF ([googleapis#3453](googleapis#3453)) ([9abf47d](googleapis@9abf47d)) * **source/dataplex,source/datalineage:** Specify cloud-platform scope for default credentials ([googleapis#3376](googleapis#3376)) ([13e8c36](googleapis@13e8c36)) * **source/http:** Implement SSRF guard ([googleapis#3448](googleapis#3448)) ([24d7d29](googleapis@24d7d29)) * **tool/bigquery-execute-sql:** Prevent dataset restriction bypass ([googleapis#3452](googleapis#3452)) ([ca6d5e3](googleapis@ca6d5e3)) * **tool/mysql-get-query-plan:** Prevent query execution bypass and statement injection ([googleapis#3235](googleapis#3235)) ([7ed1e7b](googleapis@7ed1e7b)) * **tool/spanner-sql,tool/spanner-execute-sql:** Use read-only annotations when readOnly is set ([googleapis#3338](googleapis#3338)) ([8bde0ec](googleapis@8bde0ec)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> Co-authored-by: Yuan Teoh <[email protected]> 45c0f86
Summary
Testing
fixes Security: Unbounded request body on MCP HTTP handler enables memory exhaustion DoS #3103