Agent Vending Factory
REMOTE · AGENT-VENDING-FACTORY-3SRPJTR7NA-EW.A.RUN.APP · SCANNED SEP 20
Pay-per-call MCP tools via x402 USDC: ZAR prices, data extraction, Python sandbox, SA flights.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security57
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- Authorisation not fully verified: no authorisation is required to call this server, and 4 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe. See how to fix → View diagnostics → Unverified
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- HSTS check failed: the Strict-Transport-Security header is absent. See how to fix → View diagnostics → Fail
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability69
- AI-judged instruction clarity (excellent).Pass
- Context-footprint check failed: tool/resource definitions use about 1041 tokens (~260/item across 4 items; 4 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management67
- Stability check failed: schema churn in the 30 days we've observed: 2 tool removals, 0 breaking changes, 0 auth/transport breaks, 0 additions. See how to fix → Fail
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 4 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 4 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
How do I install the Agent Vending Factory MCP server?
Agent Vending Factory is a hosted endpoint at https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · agent-vending-factory-3srpjtr7na-ew.a.run.app
claude mcp add --transport http rubentay-agent-vending-factory 'https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp'
{
"mcpServers": {
"rubentay-agent-vending-factory": {
"url": "https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp"
}
}
} {
"servers": {
"rubentay-agent-vending-factory": {
"type": "http",
"url": "https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp"
}
}
} [mcp_servers.rubentay-agent-vending-factory] url = "https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"rubentay-agent-vending-factory": {
"type": "remote",
"url": "https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp",
"enabled": true
}
}
} openclaw mcp add rubentay-agent-vending-factory --url 'https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp' --transport streamable-http
mcp_servers:
rubentay-agent-vending-factory:
url: "https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp" {
"McpServers": {
"rubentay-agent-vending-factory": {
"Transport": "http",
"Url": "https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp"
}
}
} assistant mcp add rubentay-agent-vending-factory -t streamable-http -u 'https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp'
{
"mcpServers": {
"rubentay-agent-vending-factory": {
"type": "http",
"url": "https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp"
}
}
} The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 4 Sept 26 +50
- Stability: unverified → fail ▼ security
- Tool “agent_example” was removed ▼ security
- Tool “tool_example” was removed ▼ security
- Injection markers: unverified → pass ▲ security
- Stability: unverified → pass ▲ security
- Transport: fail → pass ▲ security
- Authorization: Authorisation not fully verified: no authorisation is required to call this server, and 6 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe. security
- Schema quality: 206 → 260 ▼ functional
- Endpoint reachability: not serving MCP → reachable ▲ functional
- Tool coverage: unverified → 100 ▲ functional
- MCP protocol: unverified → pass ▲ functional
- Server version: 1.27.0 → 1.29.0 functional
- 30 Aug 26 −54
- Endpoint reachability: reachable → not serving MCP ▼ security
- Stability: pass → unverified ▼ security
- Tool safety: pass → unverified ▼ security
- Transport: pass → fail ▼ security
- Authorization: Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the tool list to see what that exposes. security
- Capabilities: pass → unverified ▼ functional
- Tool coverage: 100 → unverified ▼ functional
- First check of Schema quality: unverified functional
- 26 Aug 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 25 Aug 26 +1
- Stability: 0.97 → pass security
- 23 Aug 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 90 to 93. That category is still filling its 30-day observation window: 27 days of observed history at the previous scan, 28 at this one. The score rises as the window fills, whether or not the server changes.
- 11 Aug 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 7 Aug 26 0
- The server no longer declares the “experimental” capability functional
- 31 Jul 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 20 Sept 2026 · Probed https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=*.a.run.app | CN=WR2,O=Google Trust Services,C=US | 4 Sept 2026 | 27 Nov 2026 | ECDSA 256 | SHA256-RSA | a6993fec773504b312550b7de9609011 |
| SANs: *.a.run.app, run.app, *.africa-south1.run.app, *.asia-east1.run.app, *.asia-east2.run.app, *.asia-northeast1.run.app, *.asia-northeast2.run.app, *.asia-northeast3.run.app, *.asia-south1.run.app, *.asia-south2.run.app, *.asia-southeast1.run.app, *.asia-southeast2.run.app and 93 more | ||||||
| CN=WR2,O=Google Trust Services,C=US (CA) | CN=GTS Root R1,O=Google Trust Services LLC,C=US | 13 Dec 2023 | 20 Feb 2029 | RSA 2048 | SHA256-RSA | 7ff005a07c4cded100ad9d66a5107b98 |
| CN=GTS Root R1,O=Google Trust Services LLC,C=US (CA) | CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE | 19 Jun 2020 | 28 Jan 2028 | RSA 4096 | SHA256-RSA | 77bd0d6cdb36f91aea210fc4f058d30d |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of agent-vending-factory-3srpjtr7na-ew.a.run.app. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| app. | present | 23684 | 8 | Verified |
| run.app. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp | Verified | 200 | |
| http (plaintext) | http://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp | HTTPS enforced | 302 | https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
tool_compute_sandbox ~298
POST /tools/tool_compute_sandbox/run — Executes Python 3.12 code in an isolated subprocess with a 5-second hard timeout. Input: {python_code: string, input_data: any (optional, bound as variable 'input_data')}. Output: {success, result, stdout (capped 50KB), execution_time_ms, error_type}. Return value: assign to 'result' variable. Pre-loaded: math, json, re, statistics, itertools, functools, collections, decimal, datetime, random, hashlib, base64. Blocked: import, open(), eval(), exec(), os, sys, network, class definitions, dunder attributes. error_type values: syntax_error | security_error | runtime_error | timeout_error. Cost: $0.1500 USDC per call.
| Name | Type | Req | Description |
|---|---|---|---|
| input_data | – | – | JSON-serializable value (dict, list, str, number, bool, or null) passed as the variable 'input_data' inside the sandbox. Omit or pass null if the code has no external input. |
| python_code | string | yes | Python 3.12 source code to execute. No import statements. Set 'result = <value>' to return a value. Pre-loaded modules are in scope: math, json, re, statistics, itertools, functools, collections, dec… |
No output schema declared.
No examples provided.
tool_data_transformer ~271
POST /tools/tool_data_transformer/run — Extracts structured JSON from raw text using a caller-supplied JSON Schema. Input: {raw_text: string, target_json_schema: object (JSON Schema draft-07)}. Output: {success, extracted_data, extraction_method, validation_passed, error}. extraction_method is one of: 'direct_parse', 'embedded_json', 'regex_extraction'. No LLM involved — pure parsing pipeline. Type coercion applied for integer/number/boolean fields. Works best with flat schemas; deeply nested structures extract less reliably via key-value pass. Cost: $0.0500 USDC per call.
| Name | Type | Req | Description |
|---|---|---|---|
| raw_text | string | yes | Unstructured or semi-structured text to extract data from. Examples: API response body, email content, log lines, form submissions, scraped web pages, or any text that contains the values you need. |
| target_json_schema | object | yes | A JSON Schema object describing the expected output structure. Define 'properties' with a 'type' for each field you want extracted, and list required fields under 'required'. Example: {"type": "objec… |
No output schema declared.
No examples provided.
tool_sa_airport_oracle ~306
POST /tools/sa-airport-oracle/run — Returns live flight status from ACSA (airports.co.za). Input: {airport_code: 'JNB'|'CPT'|'DUR', flight_number: string, request_type: 'arrival'|'departure'}. Output: {success, live_status, scheduled_time, estimated_time, actual_time, gate, carousel, terminal, flight_number, airport_code, request_type, error}. Coverage: JNB (O.R. Tambo), CPT (Cape Town Int'l), DUR (King Shaka). Data window: flights within 48 hours. Call GET /tools/sa-airport-oracle/health (free) first — if structure_valid=false, do not proceed. error_type values: 'stale_data' (do not retry), 'not found' (retry after 10-15 min), network error (retry once). flight_number is case-insensitive and normalised to uppercase internally. Read-only — no booking/ticketing. Cost: $0.1200 USDC per call.
| Name | Type | Req | Description |
|---|---|---|---|
| airport_code | string | yes | IATA airport code. JNB=O.R. Tambo (Johannesburg), CPT=Cape Town, DUR=King Shaka (Durban). |
| flight_number | string | yes | IATA flight number, e.g. 'SA322'. Case-insensitive. |
| request_type | string | yes | Search the arrivals board or departures board. |
No output schema declared.
No examples provided.
tool_zar_prices ~166
POST /tools/zar-prices/run — Returns live bid/ask/last prices for crypto/ZAR pairs. Input: {pair: 'BTC/ZAR'|'ETH/ZAR'|'SOL/ZAR'|'USDC/ZAR'|'all'}. Output: array of {exchange, pair, price, bid, ask, timestamp} objects. Sources: VALR (all 4 pairs), Luno (BTC/ZAR + ETH/ZAR only). SOL/ZAR and USDC/ZAR are VALR-only. Fetches all exchanges concurrently. Timestamps are ISO-8601 UTC. Cost: $0.0050 USDC per call.
| Name | Type | Req | Description |
|---|---|---|---|
| pair | string | – | Trading pair to fetch. Use 'all' to fetch every supported pair concurrently. |
No output schema declared.
No examples provided.
What is the Agent Vending Factory MCP server?
Agent Vending Factory is an MCP server listed in the public MCP registry as io.github.RubenTay/agent-vending-factory. Pay-per-call MCP tools via x402 USDC: ZAR prices, data extraction, Python sandbox, SA flights. This page covers its hosted endpoint (https://agent-vending-factory-3srpjtr7na-ew.a.run.app/mcp).
Is the Agent Vending Factory MCP server safe to use?
Agent Vending Factory scores 73 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the Agent Vending Factory MCP server expose?
Agent Vending Factory exposes 4 tools: tool_zar_prices, tool_data_transformer, tool_compute_sandbox, tool_sa_airport_oracle. Their descriptions and schemas cost roughly 1,041 tokens of context every time the server is loaded.
Does the Agent Vending Factory MCP server require authentication?
No. We connected to Agent Vending Factory without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the Agent Vending Factory MCP server still maintained?
Agent Vending Factory is still listed as active in the MCP registry. We last reached this channel on 20 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.