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Research Lab

Each experiment ships with a STATUS.md, smoke proof JSON under THIRI/lab/proofs/, and a live page on build.thiri.ai. Tag <slug>-v* promotes status to shipped on /progress.

Latest proof — studio-mcp-proof

{
  "slug": "studio-mcp-proof",
  "version": "0.2.0",
  "generatedAt": "2026-06-19T12:00:00Z",
  "commit": "local",
  "demo": {
    "local": "http://localhost:5173/",
    "studio_dev": "npm run dev:studio (studio-dashboard)",
    "production": "https://build.thiri.ai/innovate/band",
    "lab_page": "https://build.thiri.ai/lab/producer-composer",
    "agent_doc": "THIRI/lab/DEMO_AGENT.md",
    "musician_doc": "THIRI/lab/DEMO_MUSICIAN.md"
  },
  "grammar_apply": true,
  "mcp_tools": [
    "analyze_chord",
    "generate_voicing",
    "resolve_chord",
    "reharmonize",
    "conduct_band"
  ],
  "local_verbs": [
    "progression.set",
    "helix",
    "keys",
    "drums",
    "fx",
    "vocal",
    "transport"
  ],
  "api_endpoints": [
    "POST https://chords.thiri.ai/v2/analyze",
    "POST https://chords.thiri.ai/v2/voicing",
    "POST https://chords.thiri.ai/v2/resolve",
    "POST https://chords.thiri.ai/v2/reharmonize",
    "POST https://chords.thiri.ai/v2/conduct"
  ],
  "mcp_server": "https://mcp.thiri.ai",
  "demo_sequence": [
    "progression.set Cm7|F7|Bbmaj7|Eb7 key:Bb bpm:92",
    "helix motion:pendulum density:1/16 voices:4 smoothness:60",
    "drums track:1 steps:1,5,9,13 kit:808-kick revSend:0.15",
    "keys instrument:rhodes voicingStyle:rootless pattern:1,5,9,13",
    "fx aux1_level:0.6 aux2_level:0.4 send_drums_rev:0.2",
    "transport play"
  ],
  "tests": {
    "proof_panel": "pass",
    "api_call_log": "pass",
    "health_ping": "pass",
    "conduct_hydration": "pass",
    "grammar_apply_local": "pass",
    "lastRun": "2026-06-19T12:00:00Z"
  },
  "notes": "Producer Composer at / (not /band) — ComposerPromptBar accepts deterministic grammar + vibe compose. See DEMO_AGENT.md for copy-paste sequence. Local: cd THIRI/production/thiri-studio-local && npm run dev:studio."
}

Also: conductor-mcp smoke below.

conductor-mcp smoke

{
  "slug": "conductor-mcp",
  "version": "0.1.0",
  "generatedAt": "2026-06-19T23:54:49Z",
  "commit": "fe55abe",
  "tests": {
    "lanesToScore": "pass",
    "renderCsoundWav": "pass",
    "mcpToolsList": "pass",
    "lastRun": "2026-06-19T23:54:49Z",
    "tools": [
      "conduct_band",
      "build_csound_score",
      "render_csound_wav",
      "play_audio",
      "csound_env"
    ]
  },
  "notes": "Run: cd thiri-mcp && node mcp-conductor-test.mjs. Requires csound CLI for WAV render."
}

Producer Composer — Play · Agent

Dual demo docs: musicians vibe-and-play; agents paste deterministic grammar at localhost:5173/.

Live Studio Proof

Band dashboard proves analyze_chord, generate_voicing, conduct_band with a visible API call log — homepage-ready MCP demo.

Agent recipes

Flagship prompt chain: analyze → conduct → render → critique

W06

Band Studio MCP Proof

Building

Live Band studio dashboard proves analyze_chord, generate_voicing, resolve_chord, and conduct_band end-to-end with visible API call log.

THIRI API + Csound WASM · /lab/studio-mcp-proof + studio proof panel on /band · 2d
Jun 19
W06

Conductor MCP + Csound Desktop

Shipped

Desktop agent loop: conduct_band → lanesToScore → Csound WAV. Local MCP companion to chord MCP.

THIRI API + Csound CLI · mcp-conductor-test green + /lab/conductor-mcp live · 3–5d
Jun 19
W06

Composition Lab MCP

Shipped

Published thiri-composition-mcp: 10 IR tools for agent compose/revoice/export loop.

THIRI composition engine + fluidsynth · npm bin + mcp-comp-test green · 2d
Jun 19
W07

Csound Corpus Browser

Building

Search 5,316 indexed Csound instruments from official repos; preview categories and opcodes.

Csound FLOSS index JSON · /innovate/corpus live + corpus JSON refreshed · 3d
Jun 26
W08

C.AI Unified Studio

Building

Chat-driven band in thiri-studio-local; unify bandEngine with /v2/conduct spine.

THIRI API + Csound WASM · build.thiri.ai/innovate/band hosted Csound live · 5d
Jul 3
W09

Csound Tension Mapper

Building

Map harmonic tension from analyze_chord onto Csound filter/FM parameters in score.

THIRI analyze + Csound · /lab/tension-mapper + proof JSON · 3d
Jul 10
W09

Composition Critic Agent

Building

Agent loop: compose → render WAV → compare lead sheet and duration constraints.

Composition MCP + Csound · /lab/composition-critic + proof JSON · 3d
Jul 10

Index: EXPERIMENTS.md