# mcp-server MCP Server

WasmAgent MCP server — WASM-sandboxed code execution with capability manifests and Tasks API.

**Publisher claimed.** No tool list reported, and Pod has not connected to this server.

## Status

Pod has not dialled mcp-server 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 `@wasmagent/mcp-server` on npm. Runs locally.

## Known issues

**52 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

### [milestone Milestone 5 ] Add retention and compaction policies (time-bound and count-bound) with safe pru...

🤖 Auto-filed from milestone doc bullet — enriched for implementation.

**Repo**: WasmAgent/wasmagent-js
**Milestone**: Milestone 5 — Durable Evidence Ledger & Chain Verification
**Blocked-by**: #222 (introduces the durable ledger + chain verification that this issue governs)

> Add retention and compaction policies (time-bound and count-bound) with safe pruning of verified record tails

## Problem

The durable evidence ledger introduced by #222 is an append-only, hash-chained log. Without a boun

[Read the thread](https://github.com/WasmAgent/wasmagent-js/issues/229) · 2026-07-26 · closed · 53 comments

### [milestone Milestone 2] Add integration tests covering denied calls, consent-required calls, allowed cal...

🤖 Auto-filed from milestone doc bullet.

**Repo**: WasmAgent/wasmagent-js
**Milestone**: Milestone 2: MCP Firewall Protection Layer
**Bullet**: Add integration tests covering denied calls, consent-required calls, allowed calls, and tainted results

Blocked by #169, #172, #170 (the firewall surface itself). Do not start until those merge — this issue adds **tests only** and must not redefine the firewall API.

## Problem

The MCP Firewall Protection Layer gates outbound tool/MCP calls into one of

[Read the thread](https://github.com/WasmAgent/wasmagent-js/issues/173) · 2026-07-23 · closed · 17 comments

### code-review: Wire MCP gateway dependencies into the published CLI

<!-- patrol: code-review -->
<!-- confidence: 0.60 -->
<!-- rationale:  -->

Filed by the patrol daemon (sweep: code-review). This finding did not meet the 0.8 confidence threshold for an autonomous fix issue; opening for deliberation instead.

## Observation
**Feature area**: CLI / MCP integrations | **Confidence**: 96%

README presents `npm install -g @wasmagent/cli` followed by `scan-mcp` and `guard`. Those commands dynamically import `@wasmagent/mcp-gateway`, but the CLI package does not dec

[Read the thread](https://github.com/WasmAgent/wasmagent-js/issues/351) · 2026-08-01 · closed · 9 comments

### [milestone Milestone 8 ] Implement a versioned run registry for discovering agents, runtimes, capabilitie...

🤖 Auto-filed from milestone doc bullet.

**Repo**: WasmAgent/wasmagent-js
**Milestone**: Milestone 8 — Federated Agent Operations & Reliability
**Bullet**:

> Implement a versioned run registry for discovering agents, runtimes, capabilities, and health status across deployments

## Relevant code context (from worktree)

```
contains 'versioned': packages/mcp-policy/src/bundle.ts
contains 'registry': examples/owasp-demo/scenarios.ts
contains 'registry': packages/aisdk/src/index.ts
contains 'regis

[Read the thread](https://github.com/WasmAgent/wasmagent-js/issues/368) · 2026-08-02 · closed · 3 comments

### code-review: Make `wasmagent guard --config` enforce the policy YAML

<!-- patrol: code-review -->
<!-- confidence: 0.60 -->
<!-- rationale:  -->

Filed by the patrol daemon (sweep: code-review). This finding did not meet the 0.8 confidence threshold for an autonomous fix issue; opening for deliberation instead.

## Observation
**Feature area**: CLI / MCP security | **Confidence**: 99%

README promises `wasmagent guard --config wasmagent.policy.yaml` policy enforcement, but the CLI only records the config path and evaluates built-in defaults. It never reads or par

[Read the thread](https://github.com/WasmAgent/wasmagent-js/issues/350) · 2026-08-01 · closed · 3 comments

### Most recent

### [milestone Milestone 11] Implement `analyzeRun()` to surface unauthorized access, policy violations, and ...

🤖 Auto-filed from milestone doc bullet.

**Repo**: WasmAgent/wasmagent-js
**Milestone**: Milestone 11 — Run Replay & Forensic Investigation
**Bullet**:

> Implement `analyzeRun()` to surface unauthorized access, policy violations, and anomalous tool sequences

## Relevant code context (from worktree)

```
contains 'surface': examples/benchmarks/judge/judge.py
contains 'surface': packages/capability-compiler/src/mcpSchema.ts
contains 'surface': packages/aisdk/src/index.ts
contains 'unauthorized':

[Read the thread](https://github.com/WasmAgent/wasmagent-js/issues/395) · 2026-08-09 · closed · 1 comment

### [milestone Milestone 10] Provide conformance tests for interoperability between browser, Node.js, edge, a...

🤖 Auto-filed from milestone doc bullet.

**Repo**: WasmAgent/wasmagent-js
**Milestone**: Milestone 10 — Federated Agent Operations & Reliability
**Bullet**:

> Provide conformance tests for interoperability between browser, Node.js, edge, and server-side runtimes

## Relevant code context (from worktree)

```
contains 'provide': examples/owasp-demo/scenarios.ts
contains 'provide': docs/.vitepress/config.ts
contains 'provide': packages/aisdk/src/codemodeExecutor.test.ts
contains 'conformance': pa

[Read the thread](https://github.com/WasmAgent/wasmagent-js/issues/391) · 2026-08-03 · closed · 0 comments

### Document key architecture decisions to reduce bus factor: AEP v0.4, trust-cli, Milestone 5 trace archival

## Problem

Core architectural decisions are currently implicit in code and commit messages. With 1-2 primary authors, loss of context is a real risk. Three areas need documented design rationale:

## Tasks

### 1. AEP v0.4 design doc (`docs/aep-v0.4-design.md`)
- Why DSSE/in-toto envelope was chosen over HMAC-only
- `recording_mode` semantics and privacy tradeoffs
- `taint_labels` / `output_taint_labels` propagation rules
- Relationship to in-toto `agent-decision` predicate

### 2. MCP Firewall

[Read the thread](https://github.com/WasmAgent/wasmagent-js/issues/341) · 2026-07-31 · closed · 0 comments

### [milestone Milestone 7 ] Implement alert emission via pluggable channels (webhook, SSE stream, log sink) ...

🤖 Auto-filed from milestone doc bullet.

**Repo**: WasmAgent/wasmagent-js
**Milestone**: Milestone 7 — Realtime Monitoring & Anomaly Detection
**Bullet**:

> Implement alert emission via pluggable channels (webhook, SSE stream, log sink) for policy violations and chain integrity issues

## Relevant code context (from worktree)

```
contains 'alert': packages/cloudflare-worker/src/webhooks.ts
contains 'alert': packages/mcp-posture/src/index.ts
contains 'alert': packages/mcp-posture/src/index.test

[Read the thread](https://github.com/WasmAgent/wasmagent-js/issues/320) · 2026-07-30 · closed · 1 comment

### @wasmagent/aep: provide registerStatefulVerbs() to avoid parallel MUTATING set + isStateChangingTool

## Problem

Backends that use `@wasmagent/aep` for audit logging need to know which tools are state-changing at two different call sites:

1. `isStateChangingTool(name)` — used by AEP to classify evidence records
2. A hand-maintained `MUTATING` Set — used by the chat service to trigger `logEvent()` and set `stateChanging: true` on `ChatToolLog`

These two must be kept in sync manually. When a new tool is added (e.g. `approve_vendor`), it's easy to update one and forget the other. The bug is sile

[Read the thread](https://github.com/WasmAgent/wasmagent-js/issues/304) · 2026-07-30 · closed · 1 comment

### @wasmagent/core: promote injectHistoryIntoAssembler as a first-class exported API

## Problem

Every Express/Node.js backend that uses `ToolCallingAgent` in a stateless HTTP handler needs to replay prior conversation turns into the assembler before each request. The logic is non-trivial — it must handle three message shapes:

1. Pure text turns (`role: assistant, content: string`)
2. Single tool use (`tool_use` + `tool_result` block pair)
3. Parallel tool calls (multiple `tool_use` blocks + multiple `tool_result` blocks)

This mapping from Anthropic wire format → wasmagent ass

[Read the thread](https://github.com/WasmAgent/wasmagent-js/issues/303) · 2026-07-30 · closed · 1 comment

### @wasmagent/compliance: add verifyObject() API for in-memory validation without a WorkspaceReader

## Problem

`ComplianceVerifier` requires a `WorkspaceReader` (file-system adapter) even when the data to validate is already in memory. For backends that verify domain objects (e.g. a PR draft struct) rather than files, this forces callers to construct a fake filesystem shim:

```ts
// Current — must fake a WorkspaceReader
const reader = {
  readFile: async (path: string) => {
    if (path === 'draft.json') return JSON.stringify(draft)
    throw new Error('not found')
  },
  listFiles: async ()

[Read the thread](https://github.com/WasmAgent/wasmagent-js/issues/302) · 2026-07-30 · closed · 1 comment

[See all 19 reports Pod holds for mcp-server](/mcp/mcp-server-telleroutlook/issues) — of 52 qualified upstream.

## Firsthand observations

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## For agents

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