MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Payments & trading

ThirdMade Shelf

26 pay-per-call tools for agents: scrape, verify, guards, crypto. x402 USDC on Base.

Checks passed
12 / 22

2 failed · 8 not measured

Median response
62 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
26

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?
500
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?
312

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 62 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name thirdmade-shelf.

  • Pass
    Lists tools

    tools/list returned 26 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 62 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 62 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.

  • Pass
    Parameters documented

    30 of 30 parameters have a description (100%). The bar is 80%.

  • Fail
    Safety hints

    26 tools set neither readOnlyHint nor destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-08-30T16:24:44.136233Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using ThirdMade Shelf

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 thirdmade-shelf https://shelf.thirdmade.net/mcp

Capabilities

Tools 26

captcha_eval

Classifies captcha type (reCAPTCHA, hCaptcha, Turnstile) and difficulty. Eval only — we do NOT solve captchas. [price: $0.01/call USDC via x402]

Discovered
chain_stats

Block height + chain stats for Base or Ethereum. [price: $0.001/call USDC via x402]

Discovered
domain_facts

Live-checks a domain: is it up, does it have TLS, what's the title? Quick domain health check for agents evaluating links. [price: $0.001/call USDC via x402]

Discovered
ens_lookup

ENS name resolution + reverse lookup via public Ethereum RPC. [price: $0.001/call USDC via x402]

Discovered
entity_find

Extracts named entities (people, companies, places) from text. Wikidata resolution next iteration. [price: $0.001/call USDC via x402]

Discovered
gas_now

Current gas prices in Gwei for Base, Ethereum, or Arbitrum via public RPC. [free]

Discovered
geo_time

Geocode + timezone + currency context for any location string. [price: $0.001/call USDC via x402]

Discovered
hallucination_check

Entailment scoring: does the provided context support this claim? Research agents use this to self-check outputs. [price: $0.001/call USDC via x402]

Discovered
image_gen

Generates 1 PNG from a text prompt (FLUX.1-dev, 512px). Async: returns job ID + poll URL. GPU-backed via RunPod ComfyUI, scale-to-zero. [price: $0.02/call USDC via x402]

Discovered
image_status

Poll image-gen job status by job ID. Returns image base64 PNG when COMPLETED. [free]

Discovered
json_guard

Validates JSON, detects PII inside values, reports schema stats. Pipeline agents use this as a data-quality gate. [price: $0.001/call USDC via x402]

Discovered
jsonify

Coerces messy text (key=value lines, CSV-ish, sentences) into clean JSON. [price: $0.001/call USDC via x402]

Discovered
link_graph

Extracts all outbound links from a page, classified by domain. Shows where a page links to and which domains dominate. [price: $0.001/call USDC via x402]

Discovered
llms_txt

Fetches and normalizes llms.txt / llms-full.txt from any site — the emerging standard for making websites readable to AI agents. [free]

Discovered
nonce

Current transaction nonce for any address on Base or Ethereum. Agent tx bots need this before sending transactions. [price: $0.001/call USDC via x402]

Discovered
page_meta

Extracts OG tags, canonical URL, title, and meta description from any web page. Useful for link previews, SEO audits, and content enrichment. [price: $0.001/call USDC via x402]

Discovered
pii_guard

Detects PII (emails, phones, SSNs, credit cards) in any text with character spans. Compliance agents use this before processing user data. [price: $0.001/call USDC via x402]

Discovered
prompt_guard

Scores prompt-injection / jailbreak risk for LLM inputs. Agent builders use this to sanitize user inputs before hitting their LLM. [price: $0.01/call USDC via x402]

Discovered
robots

Parses robots.txt for any domain — shows crawl rules, disallowed paths, sitemaps. Agents use this to check if they're allowed to scrape a site before doing it. [free]

Discovered
scrape

Scrapes any public web page and returns clean structured JSON (title, text, length). The workhorse — agents use this for real data extraction. [price: $0.01/call USDC via x402]

Discovered
search_verify

Checks if a URL supports a claim. Returns confidence score. Research agents use this to verify sources. [price: $0.01/call USDC via x402]

Discovered
sentiment

Sentiment classification (positive/negative/neutral) + emotion keyword hits. [price: $0.001/call USDC via x402]

Discovered
similar_domains

Finds similar/competitor domains by name-similarity. Lead-gen agents use this for prospecting. [price: $0.001/call USDC via x402]

Discovered
summarize

Extractive summary (3 sentences) + top-5 keywords from any text. [price: $0.001/call USDC via x402]

Discovered
sweep

One verify-loop lane: confidence-labeled findings on any topic. The flagship teaser — full sweeps at $0.50-5 ship when this crosses BUILD. [price: $0.05/call USDC via x402]

Discovered
token_security

Token security heuristics: honeypot signals, proxy detection, LP data. Trading agents use this to avoid rugs. [price: $0.01/call USDC via x402]

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected62 ms26