mlua-swarm MCP Server
MCP server for mlua-swarm: engine that compiles flow.ir Blueprints and dispatches agent steps.
Publisher claimed. No tool list reported, and Pod has not connected to this server.
Status
Pod has not dialled mlua-swarm yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.
Connect
Published as ghcr.io/ynishi/mse:0.27.0 on oci. Runs locally.
Known issues
22 problems reported by people outside the maintainer team. Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 12.
Most discussed
[Refactor] ID lifecycle audit — canonicalize run_id / task_id / worker_handle / sid / req_id / capability_token and fix six drift observations
[Refactor] ID lifecycle audit — canonicalize run_id / task_id / worker_handle / sid / req_id / capability_token and fix six drift observations
Summary
Several distinct identifiers flow through the swarm run pipeline —
run_id, TaskId, SessionId, WorkerId, worker_handle, the
operator session sid, req_id, and the embedded capability_token.
A short grep-based audit surfaces six concrete drift observations,
and the operator-facing mental model (task_id stable acro
Read the thread · 2026-07-06 · closed · 3 comments
[Enhancement] Bump agent-block to 0.33.0 — HTTPS MCP endpoints need the TLS-enabled mcp.connect_http (raises MSRV to 1.88)
What
Bump agent-block-core / agent-block-types from 0.31.0 to 0.33.0 in
[workspace.dependencies].
Why
mse reaches an MCP endpoint through agent-block's mcp.connect_http. Up to
agent-block 0.31.0 that Streamable HTTP transport was built without a TLS
backend, so any https:// endpoint failed at connect with:
ConnectError("invalid URL, scheme is not http")
agent-block 0.32.0 fixed it: the mcp-http feature now enables rmcp's
reqwest-tls-no-provider (rustls
Read the thread · 2026-08-27 · closed · 1 comment
LaunchAgent should not chdir into a source checkout
Problem
The bootstrapped LaunchAgent sets WorkingDirectory to a source
checkout of this repository. That couples the daemon's ability to start
to the presence of a developer checkout it does not otherwise need at
runtime: the config lives under ~/.mse/, and blueprint_ref_base is
an absolute path pointing outside the checkout.
Move, rename or delete that checkout and mse serve becomes
permanently unstartable.
What it looks like when it happens
mse serve exits with **78 (`EX_CO
Read the thread · 2026-08-13 · closed · 1 comment
[Enhancement] Add mse server subcommand family for launchd lifecycle management (MCP recovery path completeness)
[Enhancement] Add mse server subcommand family for launchd lifecycle management (MCP recovery path completeness)
Summary
mse binary currently has no first-class subcommand for managing its own server lifecycle (install / bootstrap / bootout / restart under launchd). The install path lives in scripts/launchd/install.sh, and mse-mcp is a thin wrapper over binary subcommands, so operations that exist only in the shell script are not reachable through MCP tools.
This creates a recovery
Read the thread · 2026-07-19 · closed · 1 comment
[Enhancement] bp_dsl authoring DX: scaffolding CLI/MCP (mse bp new) + lint auto-recovery with concrete fix hints
[Enhancement] bp_dsl authoring DX: scaffolding CLI/MCP (mse bp new) + lint auto-recovery with concrete fix hints
Summary
Sibling issues ([Bug] halted_at missing and [Enhancement] worker_binding compile-lint) surface a shared root: authors writing .bp.lua from scratch hit compile-lint failures whose fix is mechanical, but the current authoring loop has neither a preventive layer (start from a template that already sets the required fields) nor a curative layer (lint tells you the e
Read the thread · 2026-07-17 · closed · 1 comment
Most recent
[Enhancement] Task resume — fix & re-execute a failed step (and its downstream) without replaying the whole flow
[Enhancement] Task resume — fix & re-execute a failed step (and its downstream) without replaying the whole flow
Summary
The core ask: when a Blueprint run stops (or one step returns a failing verdict) mid-flow, let the user fix the Blueprint / agent definition and resume the task from that step, without replaying every unchanged upstream step from scratch.
Fix-then-resume is the normal iterate loop. Between the stop and the resume, the natural expectation is that the Blueprint itsel
Read the thread · 2026-07-19 · open · 0 comments
[Bug] swarm_status MCP tool returns stale 'running' for completed detach runs
[Bug] swarm_status MCP tool returns stale running for completed detach runs
Summary
After a detach: true run completes end-to-end (all spawn frames acknowledged, server writes final result_ref and marks the run done in the SQLite RunStore), calling mcp__mse__swarm_status(run_id) still returns {status: "running"}. Meanwhile a direct GET /v1/runs/:id against the same server returns status: "done" with a full step_entries list and result_ref populated.
The MCP tool r
Read the thread · 2026-07-18 · closed · 0 comments
[Bug] mse bp new pipeline scaffold does not surface init_ctx seeding, causing silent launch failure
[Bug] mse bp new pipeline scaffold does not surface init_ctx seeding, causing silent launch failure
Summary
Blueprints generated by mse bp new pipeline pass mse bp build compile-lint successfully, but the first swarm_run against them fails at flow evaluation with launch: flow eval: path not found: $.d.<first-stage>. In detach mode, the run silently stays in running state, the joined operator's pending_wait never receives a spawn frame, and no obvious error surfaces to the
Read the thread · 2026-07-18 · closed · 0 comments
feat: file-path upload for worker_submit (@file: sentinel)
Motivation
Some workers produce large response bodies (multi-KB structured output) and submit them inline via mcp__mse__mse_worker_submit. Two problems appear:
- Duplicate emission cost: LLM-driven workers frequently "rehearse" a large response body as an inline text stream before calling the submit tool, then submit the same body again as the tool argument. This effectively doubles output tokens for kilobyte-scale payloads.
- Reliability: Inline body emission couples response q
Read the thread · 2026-07-11 · closed · 0 comments
[Enhancement] Detach the flow-eval driver from the sync launch request (async launch + explicit await)
[Enhancement] Detach the flow-eval driver from the sync launch request (async launch + explicit await)
Summary
Today, POST /v1/tasks (and the MCP swarm_run tool that proxies to it) is a synchronous launch: the HTTP handler drives the in-process flow eval inline inside its own request future, wrapped in tokio::time::timeout(sync_timeout_secs, ...). This was an intentional v1 semantic (fail-loud sync launch, see the Guard 2 work): on ceiling expiry the timed-out future is dropped,
Read the thread · 2026-07-10 · closed · 1 comment
[Feature] Structured worker degradation reporting — persist tool failures / fallbacks on the Run record instead of losing them to silent workarounds
[Feature] Structured worker degradation reporting — persist tool failures / fallbacks on the Run record instead of losing them to silent workarounds
Summary
LLM workers that hit a tool failure mid-task tend to work around it silently: they fall back to an alternative tool or a weaker method and still submit a plausible-looking result. The engine currently has no channel for this — mse_worker_submit / POST /v1/worker/submit carries only the result body, so a degraded run and a clean ru
Read the thread · 2026-07-09 · closed · 0 comments
[Feature] Ship a Claude Code plugin bundle (plugins/mse): Blueprint-authoring DX agents + skills
[Feature] Ship a Claude Code plugin bundle (plugins/mse): Blueprint-authoring DX agents + skills
Summary
Blueprint authoring is the hardest part of adopting mlua-swarm: Flow IR node/expr ops, worker binding, projection placement, and context-supply tiers all have to line up before a Blueprint runs. The building blocks for guided authoring already exist — mse://api/blueprint-schema, bundled samples, the agent-md authoring guide (#28), and the bp_doctor MCP tool (v0.8.0) — but they ar
Read the thread · 2026-07-09 · closed · 1 comment
See all 17 reports Pod holds for mlua-swarm — of 22 qualified upstream.
Firsthand observations
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For agents
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