Changelog

0.3.10 (2026-09-18)

Features

• tool/looker: Expose certification_metadata in looker dashboard and look tools (mcp-toolbox#​4041) (ed42084) (b6d5369)
• Added logic to serve /.well-known/openai-apps-challenge (mcp-toolbox#​4038) (7ac00a2) (b6d5369)

Bug Fixes

• prebuilt/cloud-sql-postgres: Clarify execute_sql tool description (mcp-toolbox#​3884) (ed4cfde) (b6d5369)
• tool/looker-generate-embed-url: Require embed parameters (mcp-toolbox#​3913) (93520cf) (b6d5369)
• tools/looker: Add additional annotations to support OpenAI plugins (mcp-toolbox#​4035) (7b41e73) (b6d5369)

0.3.9 (2026-09-17)

Features

• alloydb: Provide actionable error when read-only mode is used on pre-PG17 (mcp-toolbox#​3902) (28ace11) (6081497)
• falkordb: Add FalkorDB source and tools (mcp-toolbox#​3692) (a94702c) (6081497)
• MCP Apps: Add support for MCP Apps (mcp-toolbox#​4008) (9cf3e95) (6081497)
• mcp: Add Secure Parameters support as Toolbox experimental extension (mcp-toolbox#​3394) (9750d2d) (6081497)
• mcp: Serve groups/list and groups/get as a Toolbox extension (mcp-toolbox#​3914) (eaf2a9c) (6081497)
• MCPResources: Add support for MCP Resources (mcp-toolbox#​3968) (fb227b0) (6081497)
• server/mcp: Support com.google.cloud/toolbox.v1 extension in v20260728 (mcp-toolbox#​3801) (f4f7da6) (6081497)
• skill: Add fix-failing-tests skill for mcp-toolbox (mcp-toolbox#​3821) (168e69c) (6081497)
• sources: Add ConnectOnce, a helper for connecting on first use (mcp-toolbox#​3905) (16c31fa) (6081497)
• sources: Support native read-only mode and dynamic tool annotations (mcp-toolbox#​3872) (c257022), refs mcp-toolbox#​3615 mcp-toolbox#​3816 mcp-toolbox#​3618 mcp-toolbox#​3851 mcp-toolbox#​3619 mcp-toolbox#​3617 (6081497)
• Add Toolbox version check on startup (mcp-toolbox#​3837) (7d36de3) (6081497)
• restore $schema in plugin.json for spec clients (#98) (63bb57a)

Bug Fixes

• cloud-storage: Resolve symlinks when enforcing local path boundaries (mcp-toolbox#​3810) (c2ada64) (6081497)
• config: Compare env var offsets in rune space when skipping comments (mcp-toolbox#​3856) (2e76934) (6081497)
• docs/cloudgda: Document context fields, fix PSV example and links (mcp-toolbox#​3919) (ae47535) (6081497)
• looker: Update want clause (mcp-toolbox#​3962) (9593321) (6081497)
• postgres: Filter background processes in postgres-list-active-queries (mcp-toolbox#​3885) (3d9e62a) (6081497)
• sources: Release the handle when a source fails to connect (mcp-toolbox#​3921) (0001190) (6081497)
• test/alloydbainl: Use explicit SQL alias prompt in integration test (mcp-toolbox#​3916) (596eaf9) (6081497)
• Merge prebuilt tools when reloading custom config (mcp-toolbox#​3864) (5a6d865) (6081497)
• Normalize postgres UUIDs to strings (mcp-toolbox#​3806) (3b02f1d) (6081497)

0.3.8 (2026-08-21)

Features

• groups: Add ttlMs and cacheScope customization to config (mcp-toolbox#​3805) (a5d4947) (6c6e869)
• migrate: Convert toolset to group kind during migration (mcp-toolbox#​3704) (0adeaa5) (6c6e869)
• server/mcp: Introduce generic client extension registry (mcp-toolbox#​3723) (016245c) (6c6e869)
• skill: Add review-prs skill for mcp-toolbox (mcp-toolbox#​3743) (5b7bacc) (6c6e869)
• tools: Add cloud-sql-connect-gce for pg, mysql, mssql (mcp-toolbox#​3740) (ca58fa4) (6c6e869)
• tools/looker: Add additional tools to allow dashboards to be modified, and their layouts altered. (mcp-toolbox#​3597) (b2b80fb) (6c6e869)
• adopt Agent Plugin spec and generate harness manifests (#95) (5c1da76)

Bug Fixes

• auth/mcp: Derive PRM URL from Toolbox URL (mcp-toolbox#​3765) (aa30842) (6c6e869)
• config: Ignore environment variables in YAML comments (mcp-toolbox#​3807) (79aa732), refs mcp-toolbox#​3793 (6c6e869)
• mcp: Return Tool execution error for invalid input param (mcp-toolbox#​3799) (8120197) (6c6e869)
• prebuilt/cloud-storage: Declare tool collections as groups (mcp-toolbox#​3764) (7d468be) (6c6e869)
• server: Avoid a nil-flusher panic in the SSE handler (mcp-toolbox#​3520) (947f42f) (6c6e869)
• server/mcp: Disallow client overriding URL bound parameters (mcp-toolbox#​3798) (f15a9c7) (6c6e869)
• tools/looker: Scope the filters quoting rule to values in query description (mcp-toolbox#​3788) (78eb0b8) (6c6e869)
• util: Convert exponent-form JSON numbers in ConvertNumbers (mcp-toolbox#​3730) (e9713ee) (6c6e869)

0.3.7 (2026-08-04)

Features

• prebuilt: Migrate skills-repo toolsets to kind: group with descriptions (mcp-toolbox#​3595) (b895b36) (0f50093)
• server: Add /healthz endpoint for container health checks (mcp-toolbox#​3060) (d5aefbc) (0f50093)
• skills: Add --group flag to generate a skill from one group (mcp-toolbox#​3585) (c1abd4f) (0f50093)
• skills: Default --name to --group, --toolset, or single --prebuilt name (mcp-toolbox#​3586) (2b33b08) (0f50093)
• skills: Make description optional during skills gen (mcp-toolbox#​3584) (d0a8f14) (0f50093)
• tool/looker: Add get_field_value_suggestions tool (mcp-toolbox#​3696) (3debe81) (0f50093)
• Add groups support (mcp-toolbox#​3605) (e75ec3b) (0f50093)
• Update draft specs to 2026-07-28 (mcp-toolbox#​3699) (cf128ff) (0f50093)

Bug Fixes

• server: Sort default toolset alphabetically for stable ordering (mcp-toolbox#​3539) (e5da24c) (0f50093)
• tools/looker: Enhance looker-run-dashboard to handle result maker structures and merge queries (mcp-toolbox#​3698) (7666bc0) (0f50093)
• tools/looker: Log request/response traces at debug, not error (mcp-toolbox#​3552) (c3ad445) (0f50093)
• Re-add name validation to tools name (mcp-toolbox#​3654) (944f6ce) (0f50093)
• Re-add tool validation during startup (mcp-toolbox#​3705) (25ce953) (0f50093)

0.3.6 (2026-07-21)

Features

• arcadedb: Add arcadedb source and tools (mcp-toolbox#​2961) (351de00) (5008fd8)
• cmd/internal,docs: Add warning log that prebuilt tools are for developer use (mcp-toolbox#​3451) (8cffcef) (5008fd8)
• Add quotaProject support for BigQuery and Looker conversational analytics (mcp-toolbox#​2610) (f3e7ca9) (5008fd8)

Bug Fixes

• parameters: Report the offending value in array/map type errors (mcp-toolbox#​3512) (4034d6f) (5008fd8)
• parameters: Return an error instead of panicking on a non-string type field (mcp-toolbox#​3516) (66a0d53) (5008fd8)
• source/looker: Dynamically resolve public host URL (mcp-toolbox#​3603) (0428afd) (5008fd8)
• tool/looker-run-dashboard: Add support for SQL Runner query tiles (mcp-toolbox#​3594) (0975d0a) (5008fd8)

0.3.5 (2026-07-01)

Features

• release: Add digital signature to Toolbox binaries (mcp-toolbox#​3528) (3f0f0af) (fbfb83c)
• tools/looker: Support complex filter_expression parameter in queries (mcp-toolbox#​3494) (997fb8c) (fbfb83c)
• tools/looker: Support dynamic_fields parameter in queries (mcp-toolbox#​3507) (cd22b89) (fbfb83c)
• Support MCP 2026 draft specs (mcp-toolbox#​3544) (d12eaa8) (fbfb83c)

Bug Fixes

• tool/looker-create-view-from-table: Correct Looker API payload structure (mcp-toolbox#​3515) (18c539c) (fbfb83c)
• tools/looker-conversational-analytics: Validate explore_references shape instead of panicking (mcp-toolbox#​3531) (b67419d) (fbfb83c)

0.3.4 (2026-06-22)

Features

• auth/google: Require audience or clientId for mcpEnabled (mcp-toolbox#​3450) (59f7b6e) (3df7c8f)
• mcp: Add URL parameter binding for HTTP transport (mcp-toolbox#​3112) (0cc7b37) (3df7c8f)
• scylladb: Adding support for ScyllaDB source and tool (mcp-toolbox#​3119) (2dada83) (3df7c8f)
• server: Add support for toolset filtering in prebuilt CLI flag (mcp-toolbox#​3245) (7cc4f65) (3df7c8f)
• skills: Generate skills offline without live source connections (mcp-toolbox#​3388) (4c860b6) (3df7c8f)
• skills: Tolerate missing env vars during offline skills-generate (mcp-toolbox#​3399) (ea5d3e5) (3df7c8f)
• tools: Decouple tool initialization from sources (mcp-toolbox#​3355) (32a24e3) (3df7c8f)
• Enable per source level flags for sql commenter (mcp-toolbox#​3465) (ecce6b7) (3df7c8f)

Bug Fixes

• auth/dataplex: Fix failing source with service account credentials (mcp-toolbox#​3369) (ba4deef) (3df7c8f)
• bigquery: Wire maximumBytesBilled into prebuilt config (mcp-toolbox#​3385) (4abbf6e) (3df7c8f)
• config: Add doc/line context to parse errors (mcp-toolbox#​2957) (4b097da) (3df7c8f)
• npm: Source binary version from cmd/version.txt (mcp-toolbox#​3417) (6ffbdec) (3df7c8f)
• prebuilt/alloydb-omni: Require password env var explicitly (mcp-toolbox#​3398) (fcbe3e7) (3df7c8f)
• server: Fail if MCP auth is enabled together with enable-api (mcp-toolbox#​3435) (a6ff910) (3df7c8f)
• server: Return errors instead of panicking in InitializeConfigs (mcp-toolbox#​3397) (f48b01d) (3df7c8f)
• Bound MCP HTTP body size (mcp-toolbox#​3216) (d4f4342) (3df7c8f)
• Escape delimiter characters in applyEscape to prevent SQL injection (932519a) (3df7c8f)

0.3.3 (2026-06-05)

Features

• deps: update dependency googleapis/mcp-toolbox to v1.4.0 (#75) (45f5dd7)

0.3.2 (2026-05-22)

Features

• auth: Implement MCP auth tool-level scopes validation (mcp-toolbox#​3049) (c528985) (83ddb65)
• looker: Propagate client IP from incoming MCP requests to downstream SDK calls (mcp-toolbox#​3253) (75da6c2) (83ddb65)
• Setup SQLCommenter and allow client metadata (mcp-toolbox#​3064) (9f1f9b3) (83ddb65)

Bug Fixes

• auth/generic: Fix generic auth expiration field and integration with authRequired (mcp-toolbox#​3251) (f4d16c0) (83ddb65)
• tools: Initialize query result slices to empty array (mcp-toolbox#​3250) (60ddf48) (83ddb65)
• tools/looker: Return a 401 error to MCP client when Looker returns a 401 (mcp-toolbox#​3233) (4f409a3) (83ddb65)
• tools/looker: Strip wrapping quotes from filter values for unquoted parameters (mcp-toolbox#​3273) (1e3de96) (83ddb65)

0.3.1 (2026-05-11)

Features

• deps: update dependency googleapis/mcp-toolbox to v1.2.0 (#67) (26f5f42)

0.3.0 (2026-04-10)

⚠ BREAKING CHANGES

• tools/looker: refactor looker-git-branch tool into 5 separate tools (mcp-toolbox#​2976)

Features

• auth: Support opaque token validation for generic authService (mcp-toolbox#​2944) (c924701) (69ffb72)
• cloudsqlpg: Run SELECT 1 after successful connection attempt (mcp-toolbox#​2997) (6ed9700) (69ffb72)
• tools/looker: refactor looker-git-branch tool into 5 separate tools (mcp-toolbox#​2976) (69ffb72)
• tools/looker: Refactor looker-git-branch tool into 5 separate tools (mcp-toolbox#​2976) (b2472d4) (69ffb72)

0.2.5 (2026-04-08)

Features

• deps: update dependency googleapis/mcp-toolbox to v0.32.0 (#59) (10d3fa1)

0.2.4 (2026-03-27)

Features

• deps: update dependency googleapis/mcp-toolbox to v0.31.0 (#55) (8e96880)

0.2.3 (2026-03-20)

Features

• cli: Add migrate subcommand (#2679) (12171f7) (03cbce5)
• cli: Add serve subcommand (#2550) (1e2c7c7) (03cbce5)
• skill: One skill per toolset (#2733) (5b85c65) (03cbce5)
• tools/looker: Support git_branch tools for looker. (#2718) (70ed8a0) (03cbce5)

Bug Fixes

• ci: Implement conditional sharding logic in integration tests (#2763) (1528d7c) (03cbce5)
• cloudloggingadmin: Increase log injesting time and add auth test (#2772) (50b4457) (03cbce5)
• oracle: Normalize encoded proxy usernames in go-ora DSN (#2469) (b1333cd) (03cbce5)
• postgres: Update execute-sql tool to avoid multi-statements parameter (#2707) (58bc772) (03cbce5)
• skills: Improve flag validation and silence unit test output (#2759) (f3da6aa) (03cbce5)
• test: Address flaky healthcare integration test run (#2742) (9590821) (03cbce5)

0.2.2 (2026-03-17)

Features

• deps: update dependency googleapis/mcp-toolbox to v0.29.0 (#50) (0d8ece9)

0.2.1 (2026-03-03)

Features

• dataproc: Add dataproc source and list/get clusters/jobs tools (#2407) (cc05e57) (9e55081)
• tools/looker: Enable Get All Lookml Tests, Run LookML Tests, and Create View From Table tools for Looker (#2522) (e01139a) (9e55081)
• tools/looker: Tools to list/create/delete directories (#2488) (0036d8c) (9e55081)
• ui: Make tool list panel resizable (#2253) (276cf60) (9e55081)
• Add polling system to dynamic reloading (#2466) (fcaac9b) (9e55081)
• Added basic template for sdks doc migrate (#1961) (87f2eaf) (9e55081)

Bug Fixes

• ci: Add path for forked PR unit test runs (#2540) (04dd2a7) (9e55081)
• docs/adk: Resolve dependency duplication (#2418) (4d44abb) (9e55081)
• docs/langchain: Fix core at 0.3.0 and align compatible dependencies (#2426) (36edfd3) (9e55081)
• oracle: Enable DML operations and resolve incorrect array type error (#2323) (72146a4) (9e55081)
• server/mcp: Guard nil dereference in sseManager.get (#2557) (e534196), closes #2548 (9e55081)
• tests: Resolve LlamaIndex dependency conflict in JS quickstart (#2597) (ac11f5a) (9e55081)
• tests/postgres: Implement uuid-based isolation and reliable resource cleanup (#2377) (8a96fb1) (9e55081)
• tests/postgres: Restore list_schemas test and implement dynamic owner (#2521) (7041e79) (9e55081)
• Deflake alloydb omni (#2431) (62b8309) (9e55081)
• Enforce required validation for explicit null parameter values (#&2519) (d5e9512) (9e55081)

0.2.0 (2026-02-20)

⚠ BREAKING CHANGES

• Update/add detailed telemetry for mcp endpoint compliant with OTEL semantic convention (#1987) (478a0bd)
• Update configuration file v2 (#2369)(293c1d6)

Features

• cli/invoke: Add support for direct tool invocation from CLI (#2353) (6e49ba4) (96c5cb6)
• cli/skills: Add support for generating agent skills from toolset (#2392) (80ef346) (96c5cb6)
• cloud-logging-admin: Add source, tools, integration test and docs (#2137) (252fc30) (96c5cb6)
• cockroachdb: Add CockroachDB integration with cockroach-go (#2006) (1fdd99a) (96c5cb6)
• prebuiltconfigs/alloydb-omni: Implement Alloydb omni dataplane tools (#2340) (e995349) (96c5cb6)
• server: Add Tool call error categories (#2387) (32cb4db) (96c5cb6)
• tools/looker: support looker-validate-project tool (#2430) (a15a128) (96c5cb6)
• Update configuration file v2 (#2369)(293c1d6) (96c5cb6)
• Update/add detailed telemetry for mcp endpoint compliant with OTEL semantic convention (#1987) (478a0bd) (96c5cb6)

Bug Fixes

• dataplex: Capture GCP HTTP errors in MCP Toolbox (#2347) (1d7c498) (96c5cb6)
• Surface Dataplex API errors in MCP results (#2347)(1d7c498) (96c5cb6)

0.1.9 (2026-01-28)

Features

• add Configuration settings (#33) (10170c4)
• deps: update dependency googleapis/mcp-toolbox to v0.26.0 (#32) (9c69dd8)

0.1.8 (2026-01-22)

Features

• deps: update dependency googleapis/mcp-toolbox to v0.25.0 (#28) (50ff2b0)

0.1.7 (2025-12-19)

Features

• deps: update dependency googleapis/mcp-toolbox to v0.24.0 (#26) (4330828)

0.1.6 (2025-12-12)

Features

• deps: update dependency googleapis/mcp-toolbox to v0.23.0 (#23) (f76fd37)

0.1.5 (2025-12-05)

Features

• deps: update dependency googleapis/mcp-toolbox to v0.22.0 (#21) (d0abaa2)

0.1.4 (2025-11-20)

Features

• deps: update dependency googleapis/mcp-toolbox to v0.21.0 (#17) (bbd6318)

0.1.3 (2025-11-14)

Features

• tool/looker-generate-embed-url: Adding generate embed url tool (#1877) (ef63860) (13fda6b)
• Added prompt support for toolbox (#1798) (cd56ea4) (13fda6b)

0.1.2 (2025-11-09)

Features

• cloud-healthcare: Add support for healthcare source, tool and prebuilt config (#1853) (1f833fb) (5288e58)
• elasticsearch: Add Elasticsearch source and tools (#1109) (5367285) (5288e58)
• mindsdb: Add MindsDB Source and Tools (#878) (1b2cca9) (5288e58)
• singlestore: Add SingleStore Source and Tools (#1333) (40b9dba) (5288e58)
• tools/looker-run-dashboard: New run_dashboard tool (#1858) (30857c2) (5288e58)
• tools/looker-run-look: Modify run_look to show query origin (#1860) (991e539) (5288e58)
• tools/looker: Tools to retrieve the connections, schemas, databases, and column metadata from a looker system. (#1804) (d7d1b03) (5288e58)
• Support excludeValues for parameters (#1818) (a8e98dc) (5288e58)

Bug Fixes

• cloudmonitoring: Populate authRequired in tool manifest (#1800) (954152c) (5288e58)
• Bigquery execute_sql to assign values to array (#1884) (559e2a2) (5288e58)
• Instructions to quote filters that include commas (#1794) (4b01720) (5288e58)
• Update debug logs statements (#1828) (3cff915) (5288e58)

0.1.1 (2025-10-23)

Features

• tools/looker: Tools to allow the agent to retrieve, create, modify, and delete LookML project files. (#1673) (089081f) (b829371)
• Support allowedValues, escape, minValue and maxValue for parameters (#1770) (eaf7740) (b829371)

Bug Fixes

• tools/looker: Looker file content calls should not use url.QueryEscape (#1758) (336de1b) (b829371)