nickol-knx-mcp/CHANGELOG.md

Changelog

All notable changes to this project are documented here. The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

0.8.0 — 2026-07-07

Lessons from a second field project (a different integrator naming school): positional command/status pairing, ref-level application programs, and two detector blind spots. All four changes were validated against a real 859-GA as-built project.

Added

• Positional command/status pairing (#4, pairing.py / analyze.py). A widespread naming school keeps feedback in a parallel middle group (command 1/0/s ↔ status 1/1/s) with the GA name duplicated 1:1 and no status keyword at all — invisible to lexical pairing. detect_missing_status now also pairs positionally (same main, same sub, different middle, identical name, DPT-compatible) and recognises self-reporting commands (the actuator's R+T communication object linked to the command GA itself). On the field project this cut missing-status warnings from 339 to 89 — the ~90 that are actually real — and reports a status_pairing_summary info with both counters.
• Application-program parser v2 (#6, appprog_parser.py). Vendors like HDL, Ekinex and Creatrol publish object names/DPTs/flags on <ComObjectRef> while the base <ComObject> is a near-empty stub. The parser now merges ref-level data over the base (conservatively: refs only fill empty fields; a DPT is taken only when every declaring ref agrees, disagreeing variants are recorded as dpt_variants, never guessed). Unverified DPTs on the field project's 15 device models dropped 4341 → 1167 (−73%). The app-program version is now picked by the highest ApplicationVersion instead of list position — a stale v16 was being parsed where v18 existed.

Fixed

• main_group_unnamed read the wrong names (#3, analyze.py): main-group names are now taken from the authoritative group_ranges (a GA record's main_name can carry a middle range's name), eliminating both false "unnamed" findings and masked truly-unnamed mains.
• Completeness grader missed pattern-named ranges (#5, advanced.py): a middle range literally called «Сцены» full of plain-named scene GAs now counts as scene evidence — the grader reads main/middle range names in addition to GA names (and the scene token matches Russian plural forms).
• Pinned mcp>=1.10,<2 — the MCP Python SDK v2 (in alpha) renames mcp.server.fastmcp.FastMCP to mcp.server.MCPServer; without the upper bound a future pip install would pull v2 and break the server import. Verified against the SDK docs.

0.7.0 — 2026-07-02

Added

• Exact device decomposition from a local catalog (device_library.py). When the NICKOL_KNX_CATALOG env var points at a device-library YAML file or directory (schema: library-schema.md), decompose_device now returns the exact vendor object model (source: catalog-exact) — real per-channel blocks, object counts, app-program version and first-instance objects with their true DPTs — instead of the generic recipe. Falls back to the built-in recipes (source: recipe-approximate) for any device not in the catalog, so behaviour is unchanged when the env is unset. The catalog itself is vendor-catalog data kept local and is not shipped with the package. Objects the vendor app-program leaves without a DatapointType stay dpt: null — never guessed.
• parse_devices_from_project (new MCP tool + appprog_parser.py) — deterministic parser that extracts the exact vendor comm-object model from the M-* application programs embedded in a .knxproj / .knxprod: per device it reports order number, app-program version, object counts and detected per-channel blocks (unit · objects-per-instance · stride), converting DPST-x-y → x.00y. Read-only and PII-safe (reads only vendor catalog data, never the client P-*/0.xml). With output_path it writes a device-library YAML into the workspace — feeding the local catalog above, so parse → catalog → decompose_device (catalog-exact) is a closed loop. Now 25 MCP tools.

0.6.0 — 2026-07-01

Completes the roadmap — the tool now validates, repairs, generates (HA / ETS / handover / IoT), diffs, grades and drafts acceptance protocols, all design-time & read-only.

Added — B-tier

• B2 — climate-correctness review (generate_ha.py). Climate generation now emits an explicit review note: controller/operation modes made explicit, setpoint-shift command and state paired, and a flag raised for any mode object that lacks a corresponding state address.
• B3 — semantic project diff (diffproj.py, new module; new MCP tools diff_projects / diff_loaded). Compares two .knxproj versions and reports added / removed / DPT-changed / renamed / security-changed group addresses — a reviewable delta between as-designed revisions.
• B4 — acceptance test protocol (advanced.py; new MCP tool generate_test_protocol). Produces a per-function acceptance checklist in Markdown for commissioning sign-off.
• B5 — Matter readiness (advanced.py; new MCP tool check_matter). Reports which functions round-trip cleanly to a Matter cluster and which do not.
• B6 — energy scaffold (advanced.py; new MCP tool check_energy). Checks metering / energy DPT coverage and scaffolds PV / battery / EVSE structure.

Added — C-tier

• C1 — KNX IoT semantic export (iot.py, new module; new MCP tool generate_knx_iot). Emits a KNX IoT Turtle / RDF skeleton for the project.
• C2 — naming suggestions (advanced.py; new MCP tool suggest_names). Naming-hygiene proposals for group addresses that drift from the zone + function convention.
• C3 — as-built completeness grader (advanced.py; new MCP tool grade_completeness). Grades a project from bare functional skeleton to as-built, by presence of professional patterns (central macros, motion tuning, astro/meteo, monitoring, deep metering, scenes, reserves, debug).

Added — A-tier quick wins

• A5 — Areas / voice note (generate_ha.py). Documents that HA Areas and voice assignment are UI-only concerns, not derivable from the .knxproj.
• A6 — time/date expose (generate_ha.py). Emits a KNX expose block for DPT-19.001 clock broadcast so HA can serve time/date to the bus.

0.5.0 — 2026-07-01

From validator to repairer. Previous releases flagged problems in a .knxproj; this one starts proposing the fix. The headline is a repair-suggestion engine that turns each finding into a concrete, reviewable change, alongside two new detectors for gaps that silently break the Home Assistant layer: relative-only dimmers and actuator-dependent cover behaviour.

Added

• B1 — repair-suggestion engine (repair.py, new module; new MCP tool suggest_repairs). For each finding it proposes a concrete fix rather than only naming the problem: infer a DPT for a group address that has none, correct a suspect sub-DPT, synthesise a status/feedback GA in a free address slot, or add an absolute-brightness GA for a relative-only dimmer. Suggestions only — a human reviews them, and accepted new GAs feed generate_ets_group_addresses; the server never writes to ETS or the bus. On a real 3646-GA project it produced 145 proposals: 32 set-DPT, 1 change-DPT, and 112 synthesised status GAs.
• A2 — relative-only-dimming detector (analyze.py, relative_only_dimming finding). A 3.007 relative dimmer with no 5.001 absolute-brightness GA in its zone is flagged, because Home Assistant cannot set a brightness level from relative dimming alone.
• A3 — cover invert / travel-time surfacing (generate_ha.py). The cover review reason is now verify_cover_invert and carries a note listing the actuator-dependent flags that are not in the .knxproj (invert_position / invert_updown / invert_angle, travelling_time_up / travelling_time_down), plus a warning when a cover's position lacks a state address.

0.4.0 — 2026-07-01

Two new lint dimensions: does the DPT sub-type match what the name promises, and is the project's KNX Secure posture consistent. This release adds a conservative sub-DPT sanity linter and a report-only KNX Data Secure posture summary (no key material ever touched), plus the itemised QA findings in the handover pack.

Added

• A1 — sub-DPT sanity linter (analyze.py, surfaced by check_dpt and analyze_all as the subdpt_suspect finding). When a group-address name implies a specific DPT sub-type (temperature → 9.001, power → 14.056, brightness/position → 5.001, and similar), the linter flags a wrong sub-type or a wrong main type. Multilingual keyword matching, deliberately conservative — it only fires when the name is unambiguous, so it does not second-guess correct or generic DPTs.
• A4 — KNX Data Secure posture (analyze.py secure_posture(), new MCP tool check_secure). A report-only summary of the project's security posture: secured vs plaintext GA counts, middle groups that mix secure and plaintext objects, and a keyring (.knxkeys) handover checklist. It reads only the per-GA Security flag — no key material is read, derived, or emitted.
• KNX Secure posture section in the handover pack — section 5 of handover.md is rewritten from a flat secure-GA count into the full posture section (counts, mixed-group flag, keyring handover checklist), so the as-built deliverable states the security posture explicitly.
• Itemised QA findings in the handover pack — section 6 of handover.md now lists the actual 🔴 errors and 🟡 warnings (address + name, grouped by check), not just totals, so the handover doubles as a review checklist. Info-level items (intentional reserves / logic / macros) stay collapsed.

0.3.0 — 2026-07-01

Spec→structure: a device library and a design methodology, plus the as-built handover pack. This release turns the tool from a .knxproj validator into a design aid: from a project spec you can now expand each device into its group-address recipe and reason about the whole structure. Shipped alongside the Track B project handover pack and a set of noise-reduction refinements, the latter two driven by a second real signed Zennio project (a 3646-GA multi-vendor villa, 5× larger, no ETS Functions).

Added

• Device library + decompose_device — one device is not one GA (device_library.py, new MCP tools decompose_device + list_device_recipes). Each actuator channel expands into a set of communication objects — command, status, dimming (3.007), absolute value/position (5.001), HVAC mode (20.102/20.105), colour (232.600/251.600) — each with its own DPT. Given a manufacturer order number, device type or alias (e.g. ZDIDBDX4, dimmer, JRA/S, presence detector) and a channel count, the tool returns the objects a professional typically wires per channel and the total GA count, so a spec/ТЗ device list can be turned into a group-address structure. Recipes cover switch, dimmer, RGBW LED, shutter/blind, floor-heating, AC gateway, DALI, presence, metering, leak and touch-panel families across Zennio + ABB. Recipes are generic vendor facts compiled from KNX manufacturer ETS product databases and public documentation — the typical-wired subset, not the full selectable master menu. New regression tests cover the dimmer/shutter/panel/unknown paths.
• docs/spec-to-structure.md — the spec→structure methodology. Documents the reverse of validation (design a group-address structure from a spec), the decompose_device pipeline, and an honest, measured account of what is reproducible from a spec (~90 %: taxonomy, domains, logic structure, command/status pairing, DPT discipline) versus what is not (the exact per-device object count — an integrator parameterisation choice that varies 2–9× between projects; predict a range, never a false-precise number).
• generate_handover_pack — the as-built commissioning deliverable (Track B). From a read-only .knxproj it assembles handover.md (equipment inventory by manufacturer, group-address map by domain, command/status feedback coverage %, KNX Secure scope, QA state), a standalone topology.svg area/line/device diagram, the full group-addresses.csv and the ha-package.yaml. On the villa: 275 devices across 8 manufacturers, 14 domains, 93 % feedback coverage — one command produces the whole handover bundle.
• Divider/separator scratch detection — commissioning placeholder names made only of punctuation (---, =====) or a marker wrapped in it (-----addition------) now classify as scratch intent, so a missing DPT on them is an INFO note, not a 🔴 error.
• Logic-function object awareness — a typed GA (e.g. 9.x temperature) wired into a Zennio [LF] … Data Entry container (intentionally type-agnostic, raw 2-byte) surfaces as INFO dpt_on_logic_object instead of a false dpt_mismatch_co warning.
• Central-macro status tolerance — all-groups broadcast commands (Общее …, Все группы, Все шторы - Стоп) surface as INFO central_macro_no_status instead of a missing_status_address warning, since a fan-out broadcast has no single state to read back.

Fixed

• Handover domain names — the group-address map now reads main/middle range names straight from the project's GroupRanges instead of GARecord.main_name, which the parser could mislabel (a middle range's name leaking into the main). Domains now render correctly (e.g. [1] Освещение 1 этаж, [5] Климат) instead of a middle-group name.

0.2.0 — 2026-06-30

Colour/climate entity assembly and GA-intent noise reduction. Two feature tracks shipped together, both driven by real ETS projects: full colour-light (RGBW/RGB/CCT) and KNX climate entity generation with a status-pairing (B1) correctness fix, and a GA-intent classifier that stops intentional non-functional addresses from raising false errors. On a real 685-GA Zennio project the intent work cut false errors 29 → 6 and missing-status noise 79 → 45 while preserving all 12 genuine dpt_mismatch_co catches.

Added

• Colour lights, climate entities and a status-pairing fix (Track A), driven by the real signed demo and a 685-GA Zennio project.
  • Colour control is assembled into the light entity: RGB (DPT 232.600 → color_address), RGBW (251.600 → rgbw_address), xyY (242.600 → xyy_address) and absolute colour-temperature (7.600 → color_temperature_address + color_temperature_mode), each with its status, matched to the zone's light by identity. A colour GA with no on/off in its zone is routed to review instead of dropped.
  • Climate entities are now generated: anchored on an HVAC mode (DPT 20.102/20.105), the zone's current temperature (9.001), target-temperature status, operation/controller modes and valve command_value_state are gathered by location and emitted only when the HA- required minimum (temperature_address + target_temperature_state_address) is present — otherwise the zone goes to review, so an invalid climate entity is never written. Keys verified against the Home Assistant KNX docs. (Real files: demo 6, Zennio 7 climate zones.)
  • B1 fix — no borrowed status. A command now only takes a status whose identity nests with its own (a shared zone token like "kitchen" is not enough), and a status maps to exactly one entity. This stopped "worktop LED" inheriting "island pendants" brightness and removed all shared-status addresses on the real files.
  • New DPTs: 232.600 / 251.600 / 242.600 / 7.600 (colour), 20.105 (controller mode), 1.100 (heat/cool). New regression tests cover colour assembly, the B1 borrow guard and climate (valid zone emitted, mode-only zone reviewed).
• GA-intent classification — noise reduction on real projects (intent.py). Every group address is now classified as functional / reserve / logic / scratch. Intentional non-functional GAs no longer "cry wolf": reserve spares with no DPT become an INFO note (reserve_without_dpt) instead of a 🔴 error; reserve names repeated across different DPTs are not flagged duplicate_name / inconsistent_dpt; internal logic / virtual signals and scratch leftovers are excluded from missing-status warnings. The dpt_mismatch_co check and every real functional finding are untouched. Driven by a real 685-GA Zennio project where this cut false errors 29 → 6 and missing-status noise 79 → 45 while preserving all 12 real dpt_mismatch_co catches. list_group_addresses, the report inventory and the analyze_all summary now expose the intent breakdown. New regression test covers the reserve / logic / scratch patterns (and proves real DPT + status problems still surface).
• docs/ — a self-contained GitHub Pages landing site (project overview, two-layer architecture, demo-house stats, an interactive 5-tab dashboard preview, the HA "brain", and a call for testers).
• examples/demo-home/ — a complete synthetic worked example: a 239-GA / 47-Function demo .knxproj, the tool's generated report + Home Assistant entities + ETS export, and a ha-brain/ Home Assistant smart layer (circadian lighting, multi-factor climate, presence/ season/time logic, statistics). Includes 5 deliberate mistakes to show the checks (and an honest note on the one the missing-status check doesn't yet catch).

0.1.2 — 2026-06-28

Home Assistant mapping quality — a second hardening pass driven by running the tool against more public ETS 4.2 / 5.0 / 5.5 / 6 projects (yene/knxproj DemoCase, tuxedo0801/KnxProjParser, dataheld/knxray, whaeuser/open-knxviewer). Three new regression tests; zero crashes across the whole corpus.

Added

• Dimmable lights are assembled completely. A light now collects BOTH its on/off status (1.x) and brightness status (5.x) via identity-based pairing, folds the on/off command into the same light entity (no more duplicate switch), and pairs correctly even when the device identity is a single name token (e.g. HaloSpotLeft.A.VALUE ↔ HaloSpotLeft.A.STATE%). Switches gained the same identity-based status pairing.
• Wider shutter detection. A cover's up/down is recognised on canonical DPT 1.008 or any 1.x command named up/down (UP/DOWN, auf/ab); stop is recognised on DPT 1.007 / 1.010 / 1.017 or a "stop"/"stopp"/"стоп" name. Position and stop siblings attach only to the same shutter (zone-identity guard), so multiple blinds in one main group no longer cross-wire. Real ETS4/5 projects that use 1.001+1.017 now map to full covers.
• Date / time / text DPTs recognised (10.001 time, 11.001 date, 19.001 datetime, 16.000/16.001 string): routed to review as manual_datetime / manual_text (HA KNX has dedicated date/time/text platforms) instead of an opaque unmapped_dpt.

0.1.1 — 2026-06-28

Hardening release. Every change below was surfaced by running the tool end-to-end against real ETS5/ETS6 project files (the XKNX/xknxproject test fixtures), not the synthetic smoke test — which alone never exercised the real parser or the MCP server path. Five new regression tests now guard these cases.

Fixed

• Critical: the load_project MCP tool recursed infinitely (RecursionError) on every real .knxproj. The server tool function load_project shadowed the imported project loader of the same name, so it called itself instead of parsing. It now delegates to load_project_file. This made the tool's primary entry point unusable over MCP; the synthetic smoke test missed it because it calls the parser directly, bypassing the server.

Added

• ETS Function role pairing — the headline feature — is now actually implemented. command↔status pairs are taken from ETS Function roles (e.g. SwitchOnOff ↔ InfoOnOff) via pairing.function_status_pairs(), consumed by both check_missing_status and the HA generator. Previously Functions were ignored entirely despite the README claiming they were the primary signal. Consequences fixed: a feedback GA named only "Status" now pairs correctly (name tokens no longer required), HA entities get the right state_address, and function-paired commands are no longer false-flagged as missing a status.
• No silent drops in HA generation ("no silent caps"). Every group address is now either emitted as an entity or listed in the review output; the YAML header reports how many need manual review. Previously, GAs the generator could not classify simply vanished.
• Smarter shutter classification. German/directional names are recognised (Behang, Lamelle, auf/ab, Raffstore, Markise, plus RU equivalents). A shutter-looking command whose DPT lacks a sub-type now gets an actionable shutter_incomplete_dpt review hint (set 1.008 / 1.010 / 5.001 in ETS) instead of being dropped as "unknown".
• Venetian slats handled as tilt. A slat GA (Lamelle / slat / ламель / tilt) is attached to its parent blind cover as move_short_address instead of becoming a standalone cover; an unmatched slat is flagged shutter_slat_unattached for manual attachment.
• Diagnostics alarms are inputs. A 1-bit diagnostics GA (wind/frost/rain/smoke/leak alarm, fault) is now a read-only binary_sensor instead of a phantom command switch.

0.1.0 — 2026-06-28

Initial public beta.

Added

• Design-time MCP server with 12 tools: load_project, list_group_addresses, get_devices, get_topology, check_naming, check_missing_status, check_dpt, analyze_all, generate_ha_package, generate_ets_group_addresses, project_report, workspace_info.
• Read-only .knxproj parsing via xknxproject (ETS5/ETS6, password-protected supported).
• GA classification (category + kind) from DPT and multilingual (EN/DE/RU) name keywords.
• Naming, missing-status, and DPT validation checks.
• Home Assistant KNX YAML generation with a conservative review list for ambiguous items.
• ETS-importable group-address export in XML (knx.org/xml/ga-export/01) and CSV.
• Markdown project report.
• Confined-workspace write guarantee (NICKOL_KNX_WORKSPACE); no bus access by design.
• CLAUDE.md design playbook, end-to-end smoke test (synthetic 16-GA project), example Claude Desktop config.

Known limitations

• Tested end-to-end on a synthetic project only; real-world .knxproj testing is ongoing (see the call for testers in the README).