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agentguard47 MCP Server

Read-only MCP server for coding-agent traces, alerts, costs, usage, and budget health.

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

Status

Pod has not dialled agentguard47 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 @agentguard47/mcp-server on npm. Runs locally.

Known issues

21 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

security: mcp-server npm audit — fast-uri (high), hono + qs (moderate)

Vulnerability

Severity: high (1) + moderate (2) Source: Nightshift supervisor security scan 2026-06-09 Package/file: mcp-server/package-lock.json (present on main)

Package Severity Advisory
fast-uri high <=3.1.1
hono moderate <=4.12.20
qs moderate 6.11.1–6.15.1 — GHSA-q8mj-m7cp-5q26 (qs.stringify DoS on null/undefined comma-format array entries w/ encodeValuesOnly)

All three are confirmed on the committed main lockfile (not ju

Read the thread · 2026-06-09 · closed · 16 comments

Switch PyPI publish workflow to Trusted Publishing

Summary

The v1.2.3 publish succeeded, but the publish workflow emitted this warning:

The workflow was run with the attestations: true input, but an explicit password was also set, disabling Trusted Publishing. As a result, the attestations input is ignored.

Why this matters

We are already generating build provenance, but PyPI attestations are not actually being used while the workflow authenticates with PYPI_TOKEN. Moving to Trusted Publishing would reduce secret management risk

Read the thread · 2026-03-28 · closed · 10 comments

security: hono high-severity advisories in mcp-server (non-breaking fix)

Vulnerability

Severity: high Source: Nightshift supervisor security scan 2026-07-12 Package/file: mcp-server/ -> hono (installed <=4.12.24)

Details

npm audit in mcp-server/ reports 1 high-severity chain, all via hono. Notable advisories in the bundle:

  • Path traversal in serve-static on Windows via encoded backslash (%5C)
  • CORS middleware reflects any Origin with credentials when origin defaults to wildcard
  • IP Restriction bypasses static deny rules for no

Read the thread · 2026-07-12 · closed · 3 comments

security: hono high-severity advisories in mcp-server (bump hono)

Vulnerability

Severity: high Source: Nightshift supervisor security scan 2026-07-06 Package: hono (range <=4.12.24) via mcp-server/

Details

npm audit in mcp-server/ reports 1 high with 9 chained advisories in hono, including:

  • GHSA-wwfh-h76j-fc44 — path traversal in serve-static on Windows via encoded backslash (%5C)
  • GHSA-88fw-hqm2-52qc — CORS middleware reflects any Origin with credentials on wildcard default
  • GHSA-f577-qrjj-4474 — JWT middleware accepts any Au

Read the thread · 2026-07-06 · closed · 2 comments

lead_captures: RLS disabled + new external 'tool_capture' source from marketing site

Heads-up from the bmdpat marketing site about the shared public.lead_captures table (Supabase project xlvbwvplsekotnkjehke). Two things for the AgentGuard side to be aware of / decide on.

1. New external source='tool_capture' rows (additive)

The marketing tools (/tools/quant-compare, /tools/vram-calculator) now log email captures into lead_captures. To do this the source CHECK constraint was extended additively:

-- before: shared_trace, protection_report, sign_u

[Read the thread](https://github.com/bmdhodl/agent47/issues/566) · 2026-06-02 · closed · 2 comments

### Most recent

### security: gitleaks - 2 finding(s) - secret in git history: Detected a Generic API Key, potentially exposing access t

## Automated security scan: gitleaks

Created by SecurityAnalyst on 2026-04-20.
Report: `Reports/Security/analyst-2026-04-20.md`

## Findings (2 total)

- [P0] **secret in git history: Detected a Generic API Key, potentially exposing access to various services and sensitive operations.** [`agent47`]
  - Detail: rule=generic-api-key file=sdk/agentguard/guards.py line=354 commit=c1b319d0
  - Fix: ROTATE the credential immediately. git history rewrite alone does NOT make the secret safe - 

[Read the thread](https://github.com/bmdhodl/agent47/issues/377) · 2026-04-21 · closed · 1 comment

### T20: SDK examples expansion (3 real-world examples)

Create 3 new examples: fastapi_budget_middleware.py (web app integration), multi_agent_budget_sharing.py (shared team budget), dashboard_integration.py (full SDK-to-dashboard flow). Add to examples/ directory.

[Read the thread](https://github.com/bmdhodl/agent47/issues/174) · 2026-02-15 · closed · 0 comments

### Republish MCP server v0.2.0 to npm

## Context
QA audit found that the published npm package `@agentguard47/mcp-server@0.1.0` still has the old broken default URL (`agentguard.dev`). The source was fixed in commit 0661873 but never republished.

## Done (in b842981)
- Regenerated `package-lock.json` to resolve zod version mismatch
- Bumped version to 0.2.0
- Verified `npm ci && npm run build` succeeds
- Deleted duplicate test files (`test_cost_guardrail 2.py`, `e2e_cost_guardrail 2.py`)

## Remaining
- [ ] Run `cd mcp-server && np

[Read the thread](https://github.com/bmdhodl/agent47/issues/165) · 2026-02-15 · closed · 1 comment

### Fix MCP server default URL and ship working dist/

## Problem

The MCP server is non-functional out of the box:

1. `src/client.ts` line 1 sets `DEFAULT_URL = "https://agentguard.dev"` which does not resolve. Should be `https://app.agentguard47.com`.
2. `dist/` is not committed and not built during npm publish, so `@agentguard47/mcp-server` from npm is an empty package.
3. `zod` is imported in `index.ts` but not listed as an explicit dependency (transitive from `@modelcontextprotocol/sdk`).

## Fix

- Change default URL in `client.ts` to `https:

[Read the thread](https://github.com/bmdhodl/agent47/issues/152) · 2026-02-10 · closed · 0 comments

### T16: Cost guardrail documentation guide

## Context
Need the canonical guide for cost guardrails — the page linked from README, landing page, and onboarding.

## Acceptance Criteria
- [ ] `docs/cost-guardrails.md` with sections:
  - Why cost guardrails (the problem)
  - Quickstart (5 lines of code)
  - Configuration options (all BudgetGuard params)
  - How costs are calculated (model pricing, custom pricing)
  - Dashboard integration (HttpSink + budget config)
  - Alert setup (webhook + email)
  - FAQ
- [ ] All code examples are tested

[Read the thread](https://github.com/bmdhodl/agent47/issues/138) · 2026-02-09 · closed · 0 comments

### Span and event name length limits

No length validation on span/event/service names. Truncate to 1000 chars in TraceContext.span() and .event(). Log warning on truncation.

[Read the thread](https://github.com/bmdhodl/agent47/issues/117) · 2026-02-09 · closed · 1 comment

### Add public property accessors to guards for integration use

## Problem
LangChain integration (integrations/langchain.py lines 146-148) accesses private attributes like `self._budget_guard._max_tokens`. Fragile coupling that breaks if internals change.

## Fix
Add public read-only properties to BudgetGuard:
```python
@property
def max_tokens(self) -> Optional[int]:
    return self._max_tokens

Same for max_calls, max_cost_usd, current totals.

Then update LangChain integration to use public API.

Files

  • sdk/agentguard/guards.py
  • `sdk/agentguard

Read the thread · 2026-02-09 · closed · 0 comments

See all 16 reports Pod holds for agentguard47 — of 21 qualified upstream.

Firsthand observations

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