Forge Engine

Measured conclusion: Alive, not deep-tested. L2 outcome: not_attempted.

Design spec + milestones AI coding agents read before building; drift flagged, changes reviewed.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "Forge Engine": {
      "url": "https://mmvdabzadclebfxyzudg.supabase.co/functions/v1/forge-mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (54)

• get_help read-only

  Forge how-to on demand (no project needed): propose→adopt, what a System is, Balance Lab formats, sign-in. Call when unsure.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• get_workflow read-only

  Run FIRST in a new repo (no project): first-connect routine + the working-agreement block to ADD to AGENTS.md/CLAUDE.md now (tell the user in one line; remove if they object).

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• import_from_code read-only

  One-command codebase import: recipe + batch id — propose one Context overview + one System per real module; the owner adopts all at once.

  Parameters:

  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• design_ui_from_systems read-only

  Recipe to design the UI from Systems (user request only): steps + batch id — confirm canvas aspect, then screens + PLACED elements + edges in one batch.

  Parameters:

  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• post_log

  Append a build-log entry to Activity — what you built/decided (commit-note style).

  Parameters:

  • text (required) — string — What you did / decided (1–2 sentences)
  • entity — string — System/screen/milestone it's about
  • version — string — e.g. "0.379.0"
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• get_project_context read-only

  FULL design dump — LARGE, last resort; prefer get_project_meta + list_*/get_*/search.

  Parameters:

  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• list_projects read-only

  Projects your key reaches (id, name, role); pass an id as project_id to switch.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• get_project_meta read-only

  START HERE. Tiny overview: counts, members, task claims + working_now (avoid collisions), forge_workflow_version.

  Parameters:

  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• trace_ui_from_image read-only

  SECONDARY (user-driven UI): turn a screen's REFERENCE IMAGE into placed elements. Returns the image itself plus the recipe — the canvas resolution, the fraction→pixel conversion that stops coordinates landing wrong, and what is already on the screen so a second pass updates instead of duplicating. You look at the picture and send back propose_element / update_element with x/y/w/h; it all lands in the owner's Inbox. Use when the user wants the wireframe to match a screenshot or mockup they uploaded.

  Parameters:

  • screen (required) — string — The screen whose reference image to trace (name or id)
  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• get_stale read-only

  What has drifted between the Idea lane and the System Specs — the design's own out-of-sync list, computed deterministically (no AI, no tokens). Three kinds: Idea notes edited since the systems were generated from them (with the systems each one touches), Idea notes whose prose the systems have moved past, and specs whose stamped source fingerprint no longer matches. Read this before assuming the design is coherent; fix the first kind with resync_from_idea.

  Parameters:

  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• resync_from_idea read-only

  The recipe for re-syncing ONE changed Idea note into the specs that depend on it — the same scoped job the app's "Re-sync N systems" button does, minus the button. Returns the note, the affected specs in full, and exactly how to send the result back. You do the writing; it lands in the owner's Inbox to ADOPT. CRUCIAL: send updates with `resync:true`, or the owner adopts your fix and the design still reports it as stale.

  Parameters:

  • note (required) — string — The Idea note's title or id (from get_stale)
  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• get_design_document read-only

  The WHOLE design as one readable document — Vision (+ Project DNA) → every System spec → reference notes, compiled deterministically from the current design. Read this to understand a project end-to-end instead of walking list_systems → get_system N times. Returns markdown plus the project `version` it was compiled from. Long designs come back PAGED — the header says 'part N of M', call again with `page: N+1` for the rest. Pass `for_summary: true` to get the condensed projection instead (every system's Goal + Boundary, tables stripped, one page) — that is what you should summarize from.

  Parameters:

  • page — number — Which part of the full document to return (default 1). The header tells you how many parts there are.
  • project_id — string
  • for_summary — boolean — Return the condensed summarization source (all system goals + boundaries, no tables) instead of the full document

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• set_design_overview

  Write the Design Document's Overview — the human-readable page a new team member reads first. WRITES DIRECTLY (no Inbox): it is a derived, clearly-labelled AI summary, not design truth, and the owner can clear or rewrite it in one click. HARD RULES, same as the in-app button: use ONLY facts stated in the design (call get_design_document with for_summary:true first); invent no mechanics, numbers or names; describe, never evaluate; write in the design's dominant language. Structure: `### What this is` · `### The core loop` · `### How the systems fit` (which system feeds which — the part a raw spec list cannot give) · `### Edges` (ONLY if the design states scope limits / open questions). 250-400 words, no top-level heading. Forge stamps the project version it was compiled from, so the owner is told when the design has moved past it.

  Parameters:

  • summary (required) — string — The Overview in markdown, starting at `### What this is`
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• get_briefing read-only

  ONE-CALL orientation before you build: pass `files` you're about to edit (or a `task`) → the systems that own them, each with Goal + Acceptance + build status/files/last_commit/drift + coupled_systems (code neighbors an edit may break) + pending Inbox changes + recent decisions, plus open-rejection count, who's active, `recent_changes` (what happened since you were last here — a session handoff), and a task to claim. Replaces the get_project_meta→get_system→get_build_region dance.

  Parameters:

  • task — string — A task id or name — briefs its milestone's systems instead
  • files — array — Repo-relative paths you're about to touch — mapped to their systems
  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• get_system read-only

  ONE system's full spec (Goal/Boundary/Acceptance, markdown, sources, status) + pending Inbox changes touching it.

  Parameters:

  • id — string — Preferred
  • name — string — If no id
  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• list_systems read-only

  All systems, compact: id, name, status, 1-line goal.

  Parameters:

  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• get_build_region read-only

  System→code map per built system: implementing files, status, drift flag, last_commit, and acceptance-evidence COUNTS. Mapped files gone from the repo? report_drift. Pass `system:"<name|id>"` for ONE system plus the full text of its acceptance criteria (omitted from the map — it is the bulk of the payload). Big projects come back paged: the body says 'page N of M', call again with `page: N+1`.

  Parameters:

  • page — number — Which page of the map (default 1); the body tells you how many there are
  • system — string — One system by name or id — returns its acceptance-criteria detail too
  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• report_drift

  Flag CODE DRIFT — mapped files no longer match the repo. Advisory; a fresh report_build_status clears it.

  Parameters:

  • id — string — Preferred
  • name — string — If no id
  • note — string — Optional — what drifted
  • project_id — string
  • missing_files — array — Paths that no longer exist

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• get_history read-only

  DESIGN MEMORY: recorded decisions/logs/rejections with who/when. Read BEFORE changing a system's direction; empty = no recorded WHY — don't invent one.

  Parameters:

  • limit — number — Default 30, max 100
  • query — string — Keyword filter
  • system — string — System id or exact name
  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• get_impact read-only

  BLAST RADIUS of a system (deterministic): upstream context, siblings, dependent screens/milestones, files, code-coupled systems, pending Inbox, recent activity. Run BEFORE changing it.

  Parameters:

  • id — string — Preferred
  • name — string — If no id
  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• get_rejections read-only

  Owner's DECLINED list — check at session start; follow each entry's guidance, then resolve_rejection(title).

  Parameters:

  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• resolve_rejection

  Report you REVERTED a declined change (unlocks the owner's Clear). Call after realigning the build.

  Parameters:

  • title (required) — string — Exactly as get_rejections returned it
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• list_screens read-only

  All screens, compact: id, name, purpose, status.

  Parameters:

  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• get_screen read-only

  ONE screen's layout: canvas `resolution` (use THESE px), elements x/y/w/h, links, popups. Read before editing a screen. has_reference_image:true → get_screen_image shows you the actual image.

  Parameters:

  • id — string — Preferred
  • name — string — If no id
  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• get_screen_image read-only

  A screen's reference image (HUD background) as an actual IMAGE you can see — reads the stored file inline (signed-URL fallback past 4MB).

  Parameters:

  • id — string — Preferred
  • name — string — If no id
  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• update_element

  Move/resize/relabel an element — DIRECT, live. element_id (preferred) or screen+label; x+y also places an unplaced one.

  Parameters:

  • h — number
  • w — number
  • x — number — px on the screen's canvas
  • y — number
  • note — string — "" clears
  • type — string — e.g. button/bar/panel (optional)
  • label — string — Current label
  • screen — string — With label, if no element_id
  • system — string — System it serves
  • new_label — string — Rename (optional)
  • element_id — string — From get_screen (preferred)
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• withdraw_proposal

  Remove YOUR OWN still-pending Inbox item (id from the propose response / get_inbox).

  Parameters:

  • id (required) — string — The pending item's id
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• delete_entity destructive

  PROPOSE a delete → Inbox (owner adopts; nothing deleted now). id preferred or exact name; flow_edge may use from+to.

  Parameters:

  • kind (required) — string — What to delete
  • id — string — Entity/task/element/edge id
  • to — string — flow_edge: destination screen
  • from — string — flow_edge: source screen
  • name — string — Exact name/title (if no id)
  • project_id — string

  Hints: read-only not declared · destructive yes · idempotent not declared · open-world not declared

• dedupe destructive

  Remove duplicate-named entries (keep first) — DIRECT, destructive.

  Parameters:

  • kind (required) — string — What to dedupe
  • screen — string — For kind=elements
  • project_id — string

  Hints: read-only not declared · destructive yes · idempotent not declared · open-world not declared

• reorder

  Reorder milestones / tasks / elements — DIRECT. order = ids in new order; omitted keep relative order.

  Parameters:

  • kind (required) — string — What to reorder
  • order (required) — array — Ids in the new order
  • screen — string — For kind=elements
  • milestone — string — For kind=tasks (name)
  • project_id — string
  • milestone_id — string — For kind=tasks

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• list_milestones read-only

  All milestones, compact: id, name, weeks, order, done/total.

  Parameters:

  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• get_milestone read-only

  ONE milestone: goal, weeks, difficulty, systems, every task (id/name/done/status/effort).

  Parameters:

  • id — string — Preferred
  • name — string — If no id
  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• list_activity read-only

  Change history {who, change, entity, kind, when}, newest first; filter kind/who/query.

  Parameters:

  • who — string — Author email substring (optional)
  • kind — string — system | context | milestone | screen (optional)
  • limit — number — Default 30, max 200
  • query — string — Keyword filter (optional)
  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• get_inbox read-only

  PENDING Inbox (the owner's triage queue). Check BEFORE proposing — avoid duplicates. Read-only.

  Parameters:

  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• search read-only

  Keyword search — compact hits {kind, id, name} + snippet.

  Parameters:

  • query (required) — string — Text to search for
  • kinds — array — Optional: system | context | milestone | task | screen | proposal
  • project_id — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• propose_system

  Propose a NEW system → Inbox. spec = ## Goal / ## Boundary (Owns · Doesn't own) / ## Acceptance. Exists? use update_system. (Alias: create_proposal.)

  Parameters:

  • title (required) — string — System name (Title Case, English)
  • spec (required) — string — Markdown: ## Goal / ## Boundary / ## Acceptance
  • batch — string — import_from_code batch id
  • files — array — Implementing paths, ONE file per entry
  • project_id — string
  • derives_from — array — Context note title(s) this system derives from → wires provenance (upstream + siblings)
  • acknowledge_rejection — boolean — Only after a DECLINED bounce AND asking the user

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• propose_context

  Propose a new/updated Idea note → Inbox. Title-match to update; send the COMPLETE revised text. Set resync:true ONLY when you rewrote the note FROM the current systems (get_stale lists notes the systems have moved past) — it stops the adopted note from immediately nagging to re-generate the systems it was just written from.

  Parameters:

  • title (required) — string — Match existing to update, or new to add
  • content (required) — string — Complete text, not a delta
  • batch — string — import_from_code batch id
  • resync — boolean — This note was re-derived from the current systems — re-stamps both staleness signals on adopt
  • project_id — string
  • acknowledge_rejection — boolean — Only after a DECLINED bounce AND asking the user

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• propose_dna

  Propose Project DNA and/or Tech Notes → Inbox (at least one).

  Parameters:

  • dna — string — Omit to leave unchanged
  • batch — string — import_from_code batch id
  • project_id — string
  • tech_notes — string — Omit to leave unchanged

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• update_system

  Propose a system UPDATE → Inbox diff. get_system first; send the FULL revised spec. new_title renames; context_title+context bundles the Idea update. Set resync:true ONLY when you rewrote this spec FROM its upstream Idea (see resync_from_idea) — it re-stamps the staleness signal on adopt.

  Parameters:

  • spec (required) — string — Full revised spec markdown
  • id — string — Preferred
  • name — string — If no id
  • resync — boolean — This spec was re-derived from its upstream Idea — re-stamps sourceSig on adopt. Never set it on an ordinary edit.
  • context — string — Full revised Idea text
  • new_title — string — Rename in the same card
  • project_id — string
  • context_title — string — Idea section to also update
  • acknowledge_rejection — boolean — Only after a DECLINED bounce AND asking the user

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• get_balance read-only

  Read Balance Lab: stat tables, boards with EVALUATED values, scenarios.

  Parameters:

  • board — string — One board (omit = all)
  • project_id — string
  • include_rows — boolean — false = schema only

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• propose_balance_table

  Propose a stat-doc TABLE → Inbox. csv (header; `key%` = percent; first column = name) OR schema+rows. Adopting REPLACES same-named.

  Parameters:

  • title (required) — string — Table name
  • csv — string — Header + rows; non-numeric = info
  • rows — array — [{name, atk: 350, …}]
  • schema — array — [{key, mode: flat|pct|text, base, min, max, desc}]
  • registry — boolean — true = the shared Stats registry
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• propose_balance_board

  Propose a node board → Inbox. Kinds const|formula|item|sheet|loadout|picker|pool|process|note|frame; formulas reference blocks by NAME; omit x/y = auto-layout. Adopting REPLACES same-named.

  Parameters:

  • name (required) — string — Board name
  • nodes (required) — array — e.g. {kind:"formula",name:"dmg",formula:"atk - mdef"}
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• propose_milestone

  Propose a NEW milestone (+ optional tasks) → Inbox.

  Parameters:

  • name (required) — string — Milestone name
  • goal — string — One-line goal (optional)
  • tasks — array — Task names (optional)
  • project_id — string
  • acknowledge_rejection — boolean — Only after a DECLINED bounce AND asking the user

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• report_milestone_progress

  Mark existing-milestone tasks done → Inbox progress card (owner adopts the ticks).

  Parameters:

  • done_tasks (required) — array — Task names that are done
  • id — string — Preferred
  • milestone — string — Milestone name (if no id)
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• report_build_status

  Report a SYSTEM's status (todo|in-progress|implemented) — DIRECT, live. ALWAYS pass files (full list — it REPLACES); non-todo with no files shows done-but-EMPTY. 'implemented' counts as VERIFIED only when every UNIT-TESTABLE ## Acceptance bullet is backed via evidence[{criterion,proof}]; a bullet tagged [manual]/[e2e]/[ui]/[wip] is EXEMPT (verified by manual/e2e). Otherwise it's a CLAIM (verified:false) and the response names the unbacked criteria. TWO tiers: VERIFIED = a test is NAMED; GREEN (guarantee) = you RAN the test and reported `passed:true` on the evidence — green goes stale after 21 days, so re-run to keep it.

  Parameters:

  • status (required) — string — todo | in-progress | implemented
  • id — string — Preferred
  • name — string — If no id
  • files — array — ONE file per entry (optional ' — function'); prose → decisions
  • version — string — e.g. "0.379.0"
  • evidence — array — Map ## Acceptance bullets to a test/file: [{criterion, proof, passed?, at?}]. Re-send full set (replaces). proof-only = backed (claimed); passed:true = test-green (guarantee).
  • decisions — array — Decisions/divergences (prose)
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• propose_flow_edge

  SECONDARY (user-driven UI): propose a link between two existing screens → Inbox.

  Parameters:

  • from (required) — string — Source screen name
  • to (required) — string — Destination screen name
  • label — string — Transition label (optional)
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• propose_element

  SECONDARY (user-driven UI): propose an element onto a screen → Inbox. ALWAYS pass x/y/w/h (px on the screen's `resolution` from get_screen); no coords = unplaced pile.

  Parameters:

  • screen (required) — string — Existing screen name
  • label (required) — string — Element label, e.g. 'HP bar'
  • h — number — Default 40
  • w — number — Default 120
  • x — number — Left px
  • y — number — Top px
  • note — string
  • type — string — button/bar/panel/text (default box)
  • system — string — System it serves
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• propose_screen

  SECONDARY (user-driven UI): propose a NEW screen → Inbox. parent = popup over that screen; purpose grounds AI suggestions. Whole UI? design_ui_from_systems first.

  Parameters:

  • name (required) — string — Screen name (Title Case, English)
  • parent — string — Make it a POPUP over this screen
  • purpose — string — What this screen is for
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• report_screen_status

  Report a SCREEN's status (todo|in-progress|implemented) → Inbox.

  Parameters:

  • screen (required) — string — Screen name
  • status (required) — string — todo | in-progress | implemented
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• rename_screen

  Rename a screen IN PLACE — DIRECT; links/elements follow (id-referenced).

  Parameters:

  • name (required) — string — Exact CURRENT name
  • new_name (required) — string — New name (must not collide)
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• update_milestone

  Edit milestone goal/weeks/difficulty/name — DIRECT. new_name renames (never delete+recreate).

  Parameters:

  • id — string — Preferred
  • goal — string
  • name — string — Current name (if no id)
  • weeks — number
  • new_name — string — Rename
  • difficulty — string — "" clears
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• add_task

  Add a task to a milestone — DIRECT. assignee:"me" claims on creation.

  Parameters:

  • name (required) — string — Task name
  • done — boolean
  • human — boolean — Human-only (GTM/validation/people work) — next_task & get_briefing skip it
  • effort — string
  • status — string
  • assignee — string — "me" claims it
  • milestone — string — If no id
  • project_id — string
  • milestone_id — string — Preferred

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• next_task

  DISPATCHER (multi-agent): atomically pick + claim the next task to build — walks milestones in order, skips human-only tasks and any task whose systems share code files with a task another agent already holds or is actively touching, so parallel agents spread out instead of colliding. Returns the claimed task + systems, or why none is free. dry_run:true peeks without claiming.

  Parameters:

  • dry_run — boolean — Peek without claiming
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

• update_task

  Edit a task or CLAIM it — DIRECT. assignee:"me"+status:"in-progress" claims (errors if held; force:true for stale); done:true or assignee:"" releases.

  Parameters:

  • task_id (required) — string — From get_milestone
  • done — boolean — true releases the claim
  • name — string
  • force — boolean — Take over a STALE claim only
  • human — boolean — true = human-only (next_task/get_briefing skip it); false clears
  • effort — string — "" clears
  • status — string — "" clears
  • assignee — string — "me" claims; "" releases
  • project_id — string

  Hints: read-only not declared · destructive no · idempotent not declared · open-world not declared

Publisher website Repository

Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.