Forge Engine MCP server
online · 100% uptimeapp.forgeengine/forge·v0.2.0Design spec + milestones AI coding agents read before building; drift flagged, changes reviewed.
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If you have run it, two minutes of your experience saves the next person an afternoon.
Forge Engine tools (54, 10 write)
write = sends, deletes, buys or postsadd_taskFreeAdd a task to a milestone — DIRECT. assignee:"me" claims on creation.
dedupewrite actionFreeRemove duplicate-named entries (keep first) — DIRECT, destructive.
delete_entitywrite actionFreePROPOSE a delete → Inbox (owner adopts; nothing deleted now). id preferred or exact name; flow_edge may use from+to.
design_ui_from_systemsFreeRecipe to design the UI from Systems (user request only): steps + batch id — confirm canvas aspect, then screens + PLACED elements + edges in one batch.
get_balanceFreeRead Balance Lab: stat tables, boards with EVALUATED values, scenarios.
get_briefingFreeONE-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.
get_build_regionFreeSystem→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`.
get_design_documentFreeThe 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.
get_helpFreeForge how-to on demand (no project needed): propose→adopt, what a System is, Balance Lab formats, sign-in. Call when unsure.
get_historyFreeDESIGN MEMORY: recorded decisions/logs/rejections with who/when. Read BEFORE changing a system's direction; empty = no recorded WHY — don't invent one.
get_impactFreeBLAST RADIUS of a system (deterministic): upstream context, siblings, dependent screens/milestones, files, code-coupled systems, pending Inbox, recent activity. Run BEFORE changing it.
get_inboxFreePENDING Inbox (the owner's triage queue). Check BEFORE proposing — avoid duplicates. Read-only.
get_milestoneFreeONE milestone: goal, weeks, difficulty, systems, every task (id/name/done/status/effort).
get_project_contextFreeFULL design dump — LARGE, last resort; prefer get_project_meta + list_*/get_*/search.
get_project_metaFreeSTART HERE. Tiny overview: counts, members, task claims + working_now (avoid collisions), forge_workflow_version.
get_rejectionsFreeOwner's DECLINED list — check at session start; follow each entry's guidance, then resolve_rejection(title).
get_screenFreeONE 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.
get_screen_imageFreeA screen's reference image (HUD background) as an actual IMAGE you can see — reads the stored file inline (signed-URL fallback past 4MB).
get_staleFreeWhat 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.
get_systemFreeONE system's full spec (Goal/Boundary/Acceptance, markdown, sources, status) + pending Inbox changes touching it.
get_workflowwrite actionFreeRun 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).
import_from_codeFreeOne-command codebase import: recipe + batch id — propose one Context overview + one System per real module; the owner adopts all at once.
list_activityFreeChange history {who, change, entity, kind, when}, newest first; filter kind/who/query.
list_milestonesFreeAll milestones, compact: id, name, weeks, order, done/total.
list_projectsFreeProjects your key reaches (id, name, role); pass an id as project_id to switch.
list_screensFreeAll screens, compact: id, name, purpose, status.
list_systemsFreeAll systems, compact: id, name, status, 1-line goal.
next_taskFreeDISPATCHER (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.
post_logwrite actionFreeAppend a build-log entry to Activity — what you built/decided (commit-note style).
propose_balance_boardFreePropose 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.
propose_balance_tableFreePropose a stat-doc TABLE → Inbox. csv (header; `key%` = percent; first column = name) OR schema+rows. Adopting REPLACES same-named.
propose_contextFreePropose 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.
propose_dnaFreePropose Project DNA and/or Tech Notes → Inbox (at least one).
propose_elementFreeSECONDARY (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.
propose_flow_edgeFreeSECONDARY (user-driven UI): propose a link between two existing screens → Inbox.
propose_milestoneFreePropose a NEW milestone (+ optional tasks) → Inbox.
propose_screenFreeSECONDARY (user-driven UI): propose a NEW screen → Inbox. parent = popup over that screen; purpose grounds AI suggestions. Whole UI? design_ui_from_systems first.
propose_systemFreePropose a NEW system → Inbox. spec = ## Goal / ## Boundary (Owns · Doesn't own) / ## Acceptance. Exists? use update_system. (Alias: create_proposal.)
rename_screenFreeRename a screen IN PLACE — DIRECT; links/elements follow (id-referenced).
reorderFreeReorder milestones / tasks / elements — DIRECT. order = ids in new order; omitted keep relative order.
report_build_statusFreeReport 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.
report_driftFreeFlag CODE DRIFT — mapped files no longer match the repo. Advisory; a fresh report_build_status clears it.
report_milestone_progressFreeMark existing-milestone tasks done → Inbox progress card (owner adopts the ticks).
report_screen_statusFreeReport a SCREEN's status (todo|in-progress|implemented) → Inbox.
resolve_rejectionFreeReport you REVERTED a declined change (unlocks the owner's Clear). Call after realigning the build.
resync_from_ideaFreeThe 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.
searchFreeKeyword search — compact hits {kind, id, name} + snippet.
set_design_overviewwrite actionFreeWrite 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.
trace_ui_from_imageFreeSECONDARY (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.
update_elementwrite actionFreeMove/resize/relabel an element — DIRECT, live. element_id (preferred) or screen+label; x+y also places an unplaced one.
update_milestonewrite actionFreeEdit milestone goal/weeks/difficulty/name — DIRECT. new_name renames (never delete+recreate).
update_systemwrite actionFreePropose 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.
update_taskwrite actionFreeEdit a task or CLAIM it — DIRECT. assignee:"me"+status:"in-progress" claims (errors if held; force:true for stale); done:true or assignee:"" releases.
withdraw_proposalwrite actionFreeRemove YOUR OWN still-pending Inbox item (id from the propose response / get_inbox).
Public scan report
scanner v0.1.9 · 2026-09-24 · same rubric, same numbers if you re-run it
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 1128ms20/20
- Tool poisoning54 tool descriptions checked15/15
- Auth qualityopen endpoint exposes 10 write-action tools with no auth3/15
- Maintenancelast push 56 days ago12/15
- Maintainer identitynamespace and repository owner differ; GitHub account older than a year; website matches verified namespace7/10
Findings (1)
- highWrite-action tools reachable without authentication
auth.open-write
How Forge Engine compares
Against every graded Media MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 76/100
- higher than 48% of 1,337 Media servers
- Tools
- 54
- the typical Media server has 7
- Tools that change things
- 19%
- typical: 4%. Fewer write tools means less an agent can break
- Uptime
- 100%
- of our recent checks; the typical remote Media server answers 100%
- Response time
- 307 ms
- faster than 54% of 862 Media servers
What its tools let an agent do: 41 read · 2 create · 9 change · 1 delete · 1 send or post
Install Forge Engine in Claude Code, Cursor or VS Code
claude mcp add --transport http forge https://mmvdabzadclebfxyzudg.supabase.co/functions/v1/forge-mcp
What the publisher says
From the Forge Engine repository's README, as published. We do not edit it. Read it on GitHub
Forge Engine — MCP connector
Many agents. One plan. No mess.
Forge Engine is the living plan for teams that build software with AI coding agents. Agents read the design over MCP and build in parallel — claiming tasks so work never overlaps, checking what breaks before they change it, and reporting back what's actually built — in a structured plan anyone on the team can read and question, coder or not. A markdown file works for one dev; a team needs Forge.
🌐 forgeengine.app
See a real design in 10 seconds, without installing anything. A Forge
project can publish one public link that serves its whole design as plain
text — paste it into an AI chat and the assistant answers over the real thing.
See Read a design with zero setup.
What's in this repository. This is the public home of Forge's **MCP
connector**: the source of the Forge Runtime CLI (@forgeengine/cli, MIT) and
the registry manifest (server.json). The Forge application
and its hosted MCP server are developed in a separate private repository — so
this repo is the part that runs on your machine, published openly precisely
because it is the part that holds your token. See
Security & privacy.
Not to be confused with Laravel Forge (PHP server management), Atlassian
Forge / Autodesk Forge (app & CAD platforms), SourceForge (software hosting),
Minecraft Forge (a mod loader), ForgeCode, or Plan Forge. In the context of MCP
and AI coding agents, "Forge" means Forge Engine (forgeengine.app).
The problem this solves
Coding agents are fast and they are amnesiac. Every session starts blank, so the same context gets re-pasted; a decision made three sessions ago is forgotten and quietly undone; an autonomous run reaches into a working system nobody was watching. Add a second agent — or a second person driving one — and the failures compound: two agents rewrite the same module, a spec everybody believed was current turns out to describe something that shipped differently, and nobody can say which parts of the plan are actually built.
None of that is fixed by writing a better document. A document has no way to know whether it was read, no way to say "this system is off-limits", and no way to notice that the code walked away from it. Forge makes the plan a thing agents transact with: they read it before building, claim what they take, and report what they changed — and every one of those steps leaves evidence a human can check.
What the loop actually gives you
Agents start informed instead of blank. One call returns the working context for the task at hand: what this system is for, what it must not touch, what "done" means for it, and who else is currently working where. That replaces the preamble you retype every session — and unlike a pasted preamble, it is the same context every agent gets, so two agents cannot be working from two different versions of the truth.
Parallel work stops colliding. Tasks are claimed, and a claim is visible to every other agent and person on the project. An agent that reaches for occupied work is told so, by name, before it starts — not after both branches exist.
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Forge Engine: common questions
- Is Forge Engine MCP server safe?
- Mostly: it is graded B (76/100). Read the Forge Engine safety report
- How do I install Forge Engine?
- It runs remotely at mmvdabzadclebfxyzudg.supabase.co. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does Forge Engine need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Forge Engine maintained?
- The last commit was 97 days ago (2026-07-30). The latest release is v0.2.0.
- Is Forge Engine up?
- 100% of our last 28 checks got an answer. We check remote servers about four times a day.
- What can I use instead of Forge Engine?
- Servers from other publishers that do the same job: Buoy MCP server, Dembrandt MCP server and Codesign MCP server.
- How does Forge Engine compare with other Media MCP servers?
- safety score 76/100 (higher than 48% of 1,337 Media servers); tools 54 (the typical Media server has 7); tools that change things 19% (typical: 4%. Fewer write tools means less an agent can break). Full comparison.
Alternatives to Forge Engine
Same job from other publishers: the closest match first, then the best rated.
- BuoyThe design system your coding agents check before they ship: tokens plus exact UI fixes.not reviewedGrowingA
- DembrandtDesign tokens from any live site: colours, type, spacing, components, drift against a baseline.not reviewedWidely usedB
CodesignLocal design engine for AI agents: create, edit and export real, editable designs.not reviewedEstablishedA- TypeUIDesign systems, UI prompts, and layout variations for AI coding tools.not reviewedEstablishedA
- memiMemi is the read-only design engineering audit and skill layer for coding agents.not reviewedGrowingA