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MCP server · Code & DevOps

Penny Engine — Agent Operations

By kasheik3

Remote MCP utilities for agents: structured data, commerce checks, and x402 paid API discovery.

Source codeAI models & agentsFinance & paymentsCommerce & marketing
Connect to Penny Engine — Agent Operations
Checks passed
10 / 22

4 failed · 8 not measured

Median response
332 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
18

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
410
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
310
Publisher identityCan the publisher be traced to its source?
222

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 332 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-03-26, serverInfo.name penny-engine.

  • Pass
    Lists tools

    tools/list returned 18 tools.

  • Fail
    Current protocol

    Negotiated 2025-03-26. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 332 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 332 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Fail
    Parameters documented

    4 of 54 parameters have a description (7%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Not measured
    Website matches publisher

    This namespace is not a reverse domain, so the website comparison does not apply.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Fail
    Repo owner matches

    The GitHub repository owner does not match the namespace login.

  • Pass
    Recently updated

    Updated 2026-10-18T18:30:07.014282Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using Penny Engine — Agent Operations

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http penny-engine-agent-operations https://penny-agent-api-production.up.railway.app/mcp

Capabilities

Tools 18

penny_campaign_economics

Customer acquisition cost and break-even click price. Free, no signup, deterministic.

Discovered
penny_capability_router

Resolve an agent task to existing Penny Engine capabilities only. Does not execute, purchase, research live web content, or claim to handle arbitrary tasks. Unsupported requests are labeled explicitly. Free, no signup.

Discovered
penny_catalog_audit

Batch-audit up to 50 product records for duplicate SKUs, missing attributes, malformed URLs and estimated net contribution per order. Useful for scheduled ecommerce catalog ingestion and agent product publishing. No external network calls. Free, no signup.

Discovered
penny_catalog_import_guard

Before importing a product scrape, compare current and previous batches. Flag duplicate IDs, missing records, invalid prices, currency changes, price jumps and stock anomalies. Return row-level allow/review decisions with before/after evidence. Free trial: 50 rows per snapshot, 16,000-character request. No fetching, storage, payment or automatic writes.

Discovered
penny_choose_service

Given an agent's real task, get the single best supported Penny Engine payable route, exact $0.001 quote, required input, sample, and buyer-authorized checkout instructions. Includes optional FREE CSV preflight; does not sign, pay or execute a paid call.

Discovered
penny_cleaning_quote

Commercial cleaning quote by labor and target margin. Free, no signup, deterministic.

Discovered
penny_csv_to_json

Transform CSV text into a bounded array of JSON records with quoted cell support. Free, no signup, deterministic.

Discovered
penny_fulfillment_preflight

FREE preflight for a catalog audit or agent-output-batch-qa work order, with $0.001 Base USDC checkout instructions. Never charges, signs, or executes the paid call.

Discovered
penny_html_extract

Extract structured page title, meta tags, headings and JSON-LD from supplied HTML without browsing or executing scripts. Free, no signup, deterministic.

Discovered
penny_json_inspect

Parse and inspect bounded JSON input without retaining it. Free, no signup, deterministic.

Discovered
penny_margin

Unit margin, markup and break-even units. Free, no signup, deterministic.

Discovered
penny_marketplace_profit

Ecommerce net contribution after goods, fees, ads and shipping. Free, no signup, deterministic.

Discovered
penny_product_evidence

Retrieve current public product metadata and variant details from supported Allbirds and tentree product URLs. Return source timestamps, hashes, field provenance, conflicts and changes versus a caller-supplied previous snapshot. Narrow free preview; no browser rendering, purchases or background monitoring.

Discovered
penny_slugify

Turn a short string into a lowercase ASCII URL slug. Free, no signup, deterministic.

Discovered
penny_subscription_ltv

Simple monthly churn lifetime value estimates. Free, no signup, deterministic.

Discovered
penny_target_price

Find minimum price for target gross margin after fees. Free, no signup, deterministic.

Discovered
penny_trend_radar

Get recent US Google Trends rising-search queries and transparent heuristic purchase-intent classification to identify digital product research candidates. Public RSS, cached 10 minutes, no customer or sales data. Free, no signup.

Discovered
penny_url_clean

Remove common tracking parameters from HTTP links without fetching. Free, no signup, deterministic.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected332 ms18

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