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project-chip

10 indexed repositories · View on GitHub

connectedhomeip
Matter (formerly Project CHIP) creates more connections between more objects, simplifying development for manufacturers and increasing co...

C++ · 8950 stars
rs-matter
Rust implementation of the Matter protocol.

Rust · 582 stars
zap
ZAP stands for ZCL Advanced Platform. It is used to configure clusters, attributes and other entities for Matter and ZigbeePro applications.

ZAP · 170 stars
certification-tool
A test harness and tooling designed to simplify development, testing, and certification for devices, guided by the Connectivity Standards...

Shell · 82 stars
matter-handbook
This is the repository for the Matter Handbook, content is published at https://handbook.buildwithmatter.com

HTML · 29 stars
connectedhomeip-doc
Doxygen output from project-chip/connectedhomeip

HTML · 27 stars
matter-test-scripts
Test scripts related to Matter Certification

Python · 19 stars
certification-tool-backend
Backend code for the CSA Certification Harness and Tooling

Python · 12 stars
alchemy
Alchemy is a command line tool for modifying and transforming Matter spec documents.

Go · 10 stars
certification-tool-frontend
Frontend code for the CSA Certification Harness and Tooling

TypeScript · 6 stars

Beginner friendly Everything

Open All

[Push AV Stream Transport] MotionZones is required only for Motion, but the data model requires it for AmbientContext too Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#74307 · Opened Sep 19, 2026
[Closure Dimension] The codegen XML still defaults Speed to Auto after the 1.7 spec removed that fallback Open

Difficulty 1/5 Under an hour Newbie friendliness 90/100

project-chip/connectedhomeip#74305 · Opened Sep 19, 2026
[Closure Dimension] data_model 1.6 and 1.6.1 declare Resolution and StepValue with default="0.01" on a uint16 type Open

App Clusters: Closures Closures

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

project-chip/connectedhomeip#74264 · 1 comment · Opened Sep 17, 2026
[Pump Configuration and Control] Example configs: chef pump declares featureMap 0 with a feature-gated default, N-quality attributes are ram, and pumpStatus boots as Running Open

hvac

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#74243 · Opened Sep 16, 2026
[Energy EVSE] ChargingEnabledUntil defaults to null, which the delegate reads as charge-forever — the source carries a TODO saying so Open

energy evse

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#74226 · Opened Sep 16, 2026
[Trivial] [1.6] CodegenIntegration.cpp unconditionally includes filter monitoring headers causing build failures for single-filter configurations Open

bug needs triage

Difficulty 1/5 Under an hour Newbie friendliness 88/100

project-chip/connectedhomeip#74058 · Opened Sep 10, 2026
GroupDataProviderImpl: in-place SetGroupInfoAt zeroes endpoint_count, orphaning endpoint records on removal Open

darwin

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#73989 · Opened Sep 7, 2026
[BUG] Channel GetProgramGuide arguments are generated with TLV context tags one lower than the spec (missing fieldId attributes in channel-cluster.xml) Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

project-chip/connectedhomeip#73957 · Opened Sep 4, 2026
[BUG] TLV Decoding on big endian Open

bug needs triage

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

project-chip/connectedhomeip#73794 · Opened Aug 27, 2026
TC_DeviceConformance raises KeyError instead of reporting a problem for a device type absent from the loaded data model Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

project-chip/connectedhomeip#73729 · Opened Aug 24, 2026
[TC-TSTAT-2.1] Yaml script has to be updated by adding the newly added steps as per the Test plan. Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/matter-test-scripts#800 · Opened Aug 19, 2026
[Scenes] Document Revision 1 behavior in connectedhomeip-spec Open

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

project-chip/connectedhomeip#73580 · 1 comment · Opened Aug 14, 2026
[BUG] [CERT-TEST-FAILURE] TC-CADMIN-1.3 fails at step 10 with whole-test TimeoutError (~200s) on TH v2.15+spring2026 Open

bug needs triage

Difficulty 1/5 Under an hour Newbie friendliness 85/100

project-chip/connectedhomeip#73539 · Opened Aug 12, 2026
[BUG] [TC-CNET-4.9] Premature assertion inside per-endpoint loop causes false failure when secondary NetworkCommissioning endpoint has no connected network Open

bug needs triage

Difficulty 1/5 Under an hour Newbie friendliness 90/100

project-chip/connectedhomeip#73525 · Opened Aug 12, 2026
[Feature] CADMIN 1.3 Add test case "Timeout" Error as possibility in documentation Open

Feature Needs Triage

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

project-chip/certification-tool#1074 · 1 comment · Opened Aug 11, 2026
Five Linux example apps declare a device type and name that are never advertised Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

project-chip/connectedhomeip#73468 · Opened Aug 7, 2026
Flaky: TestRead.TestSubscribe_DynamicLITSubscription times out on Tizen (fixed 2000ms window under QEMU) Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#73453 · Opened Aug 6, 2026
[BUG] Cant install requirements for esp32 with python 3.13+ Open

bug needs triage

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

project-chip/connectedhomeip#73310 · Opened Jul 30, 2026
[TC-DD-3.5, 3.6, 3.7, 3.8] Yaml Manual script has to be updated as per the Test plan. Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

project-chip/matter-test-scripts#796 · Opened Jul 27, 2026
[Bug] TC-PAVST-2.11 - Zone management steps use OPTIONAL "Zone Sensitivity" feature with no PICS guard Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

project-chip/matter-test-scripts#794 · 1 comment · Opened Jul 22, 2026
CI hardening: todos.yaml pins derjuulsn/todo-issue@main (mutable branch) in a step holding MATTER_PAT Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#73052 · Opened Jul 14, 2026
camera-app (Linux): CameraAVStreamManager::OnAttributeChanged logs misleading "Unknown Attribute" for valid SDK-owned attributes Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#72986 · Opened Jul 9, 2026
SceneTableImpl: GetAllSceneIdsInGroup / DeleteAllScenesInGroup match empty entry-map slots for group 0 Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#72857 · Opened Jul 5, 2026
emAfReadOrWriteAttribute: uint16_t attributeOffsetIndex silently wraps when total RAM attribute storage exceeds 65535 bytes Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#72856 · Opened Jul 5, 2026
TC-WNCV-2.3 contradicts the cluster spec regarding `CalibrationMode` bit Open

Difficulty 1/5 Under an hour Newbie friendliness 85/100

project-chip/connectedhomeip#72853 · Opened Jul 3, 2026
[CERT-TEST-FAILURE] TC-DRLK-2.6: TH executes Cleanup the created user (ClearUser) without considering DUT's supported commands Open

bug cert blocker door lock enhancements needs triage

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#72775 · Opened Jun 29, 2026
[BUG] PushAvStreamTransport: abort on AllocatePushTransport when TLSEndpoint.ccdid is null (unguarded Nullable::Value()) Open

bug needs triage

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#72704 · Opened Jun 23, 2026
Move ambient-context-sensing-namespace.h to a common Datamodel location Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

project-chip/connectedhomeip#72644 · Opened Jun 18, 2026
UDC CommissionerDeclaration sent with message type 0x00, spec Table 67 specifies 0x01 Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

project-chip/connectedhomeip#72616 · Opened Jun 17, 2026
[BUG] The abbreviation for fingerprint recognition on door locks is FGP, not FPG. Open

bug needs triage

Difficulty 1/5 Under an hour Newbie friendliness 90/100

project-chip/connectedhomeip#72584 · Opened Jun 16, 2026
ICD CheckInHandler key-refresh check uses `>` 2^31; spec §4.22.3.4.1 mandates `>=` Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

project-chip/connectedhomeip#72541 · Opened Jun 11, 2026
NFC NTL: SELECT-response discriminator parsed as 16-bit, not masked to 12-bit (format nibble bleeds in) Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#72539 · Opened Jun 11, 2026
Message-counter reception bitmap initialized all-0 vs spec §4.6.5.4 all-1 — below-max group replay window reachable via Trust-first Open

1.6.1-qa required group messaging

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

project-chip/connectedhomeip#72535 · Opened Jun 11, 2026
[Bug] th-cli calls /api/v1/version on every invocation (slow when backend is unreachable) Open

Bug CLI

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

project-chip/certification-tool#1005 · Opened May 26, 2026
[BUG] CameraAvSettingsUserLevelManagementCluster::ReadAttribute does not handle ClusterRevision attribute (ServerCluster API compliance issue) Open

bug needs triage

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

project-chip/connectedhomeip#71929 · Opened May 6, 2026
[Bug] ModeBase ChangeToMode hand-written decoder accepts missing mandatory NewMode field (same class as #71822) Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

project-chip/connectedhomeip#71915 · Opened May 5, 2026
[Test Failed] [TC-TIMESYNC-2.1] Incorrect @run_if_endpoint_matches constraint: TimeSource attribute should be optional Open

build issue needs triage tests

Difficulty 1/5 Under an hour Newbie friendliness 85/100

project-chip/connectedhomeip#71742 · Opened Apr 23, 2026
[Bug] Need to copy commissioner_dut folder in Test Harness Open

Bug Needs Triage

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

project-chip/certification-tool#954 · Opened Apr 20, 2026
[BUG] Use-after-free in InteractionModelEngine::OnUnsolicitedReportData during ReadClient list iteration Open

bug needs triage

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

project-chip/connectedhomeip#71574 · Opened Apr 15, 2026
[BUG] NightVisionIllum attribute write handler is empty in CameraAVStreamManagement Open

bug needs triage

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

project-chip/connectedhomeip#71556 · Opened Apr 14, 2026
[Workflow] Linter "Check for use of PRI*16" failure. Open

workflows

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

project-chip/connectedhomeip#71536 · Opened Apr 13, 2026
TC_Groups_Common: Rename and move into support_modules Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

project-chip/matter-test-scripts#771 · Opened Apr 8, 2026
[CERT-TEST-FAILURE] TC-DRLK-2.1 YAML test not sending lock and unlock command due to conditional issue Open

bug cert blocker door lock enhancements needs triage

Difficulty 1/5 Under an hour Newbie friendliness 85/100

project-chip/connectedhomeip#43686 · Opened Mar 24, 2026
[CERT-TEST-FAILURE] TC-DRLK-2.2 TC-DRLK-2.3 failing for UserCodeTemporaryDisableTime out of range, but it meets spec Open

bug cert blocker door lock enhancements needs triage

Difficulty 1/5 Under an hour Newbie friendliness 78/100

project-chip/connectedhomeip#43673 · Opened Mar 23, 2026
[CERT-TEST-FAILURE] TSTAT2.2: Use AbsMinHeatSetpointLimit in the absence of MinHeatSetpointLimit Open

bug cert blocker needs triage stale

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

project-chip/connectedhomeip#43549 · 1 comment · Opened Mar 10, 2026
[CERT-TEST-FAILURE] TC-TBRM-3.1 SetActiveDatasetRequest fails with FAILSAFE_REQUIRED when executing test Open

bug cert blocker needs triage stale

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

project-chip/connectedhomeip#43502 · 2 comments · Opened Mar 6, 2026
[BUG] [TC-AVSM-2.2] Step 11: imageCodec=10 never reaches DUT due to aenum _missing_ mapping Open

bug needs triage stale

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

project-chip/connectedhomeip#43196 · 1 comment · Opened Feb 18, 2026
[BUG] TransitionTime attributes are not required for a Speaker device type #43176 Open

bug needs triage stale

Difficulty 1/5 Under an hour Newbie friendliness 82/100

project-chip/connectedhomeip#43187 · 1 comment · Opened Feb 17, 2026
[BUG][TC-AVSM-2.2] Step 11: imageCodec=10 never reaches DUT due to aenum _missing_ mapping Open

stale

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

project-chip/connectedhomeip#43148 · 1 comment · Opened Feb 14, 2026
[1.3] ActiveBatChargeFaults attribute of the PowerSource cluster is not handled in PowerSourceAttrAccess::Read(). Open

bug needs triage stale

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

project-chip/connectedhomeip#43144 · 2 comments · Opened Feb 13, 2026

project-chip

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