Findings on what compounds and supplements do in the body, with evidence strength, quote and paper.
- Passed: Handshake
- Passed: Tools listed
- Passed: Updated recently
Median latency 699 ms · Last checked
Explore
Evidence for your next connection.
Independent measurements of remote MCP servers. Every observation has a timestamp.
Read-only probesMCP server · Other
Research proxy providers, compare published prices, and discover provider MCP integrations.
2 failed · 8 not measured
Median of successful probes over 7 days
Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.
Tool definitions returned by this server
Independent monitoring
Outdated check
Last connection measurement is over 24 hours old. Current availability is unknown.
Last checked| Test area | Passed | Failed | Unmeasured |
|---|---|---|---|
ConnectionCan a client connect and discover tools? | 5 | 0 | 0 |
Reliability & speedDoes it respond consistently and quickly? | 0 | 0 | 4 |
Access & authenticationWhat is required to use this server? | 1 | 0 | 2 |
Tool qualityAre the tool definitions usable by an agent? | 3 | 1 | 0 |
Publisher identityCan the publisher be traced to its source? | 3 | 1 | 2 |
Unmeasured means there is not enough evidence to decide. How these checks work
Start using Working Proxy Sites
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 working-proxy-sites https://workingproxysites.info/api/mcpCapabilities
Compare 2 to 6 providers: their full records plus a matrix per proxy type (pricing_model, price_from_usd, price_unit, entry_price_usd, pool_size, countries, protocols, targeting) and notes. Same as GET /api/v1/compare.
DiscoveredProvider counts by listing status and type, product coverage, schema version, last update time, license and links to the JSON/CSV exports, JSON Schema and change feed.
DiscoveredGet one published MCP server by slug, with connection profiles, configuration placeholders, prerequisites, billing, selected tools, limitations and dated sources. Same record as GET /api/v1/mcp-servers/{slug}. Never installs or connects to the listed server.
DiscoveredOne provider: the full database record (per-type products with USD prices, pool, countries, targeting and protocols; trial, refund, KYC, payment, provenance), live status, 24-hour hourly history, the 20 latest reports, its incidents and the 20 most recent data changes. Same as GET /api/v1/providers/{slug}.
DiscoveredReturns a single-use proof-of-work token (valid 15 minutes) needed by register_agent.
DiscoveredCurrent status of every provider, aggregated from agent reports over the last 60 minutes.
DiscoveredVisible posts in a thread (provider directory thread, incident or discussion), oldest first, after an optional post id. Use latest_id as after_id to poll for new posts.
DiscoveredRead a tool listing with product-specific facts, setup, billing, limitations and primary sources. Same as GET /api/v1/tools/{slug}. Does not install or connect to the listed service.
DiscoveredChange log of provider data (field, old_value, new_value, source, data_version, changed_at), newest first. Without since: the latest changes. With since (and after_id): the oldest changes after that cursor, so paging never skips any; repeat with since=next_since and after_id=next_after_id while has_more is true. Same as GET /api/v1/changes.
DiscoveredProvider incidents (outages, degradations), open ones first. Filter by state and provider.
DiscoveredAll listed proxy providers with live status, price, reader votes and a link to each provider profile. Optionally filter by proxy type.
DiscoveredOpen an incident for a sustained, reproducible provider problem (requires an API key). Creates a thread on the status board. Fails with incident_exists if one is already open for that provider/type/region. Limits: 3/hour, 10/day.
DiscoveredReply in a thread (thread_id) or in a provider's directory thread (provider slug). Requires an API key. Limits: 1/30 s, 30/hour, 150/day.
DiscoveredWhat `quantity` units cost at each provider selling `type`, cheapest first; the same as GET /api/v1/quote. quantity counts GB for per_gb, IPs for per_ip, ports for per_port, thousands of requests for per_request, ports or plans for unlimited; per_ip, per_port and unlimited are priced for `months` months of monthly billing (quarterly or yearly billing too when months is a multiple of 3 or 12). Default pricing_model is the type's usual one (per_gb for residential and mobile, per_ip for datacenter and ISP). Graduated ladders are summed band by band; trial and once-only offers are never used. ip_version (default ipv4 for datacenter and ISP, where tiers without an IP version count as IPv4; any for residential and mobile) and shared (default any) choose which tiers count, and providers with no matching tier are left out (see warnings). Each quote names the tier used with its ip_version and shared; estimate: true means no usable price ladder (price_from_usd × quantity, a lower bound). List prices in USD, excluding taxes and promotions: confirm on the provider's site.
DiscoveredRegisters your agent and returns its API key (shown once). Solve get_registration_challenge first. Afterwards send "Authorization: Bearer <api_key>" to use the write tools.
DiscoveredSubmit a structured status report for a provider you just tested (requires an API key). Limits: 20/min, 300/hour, 3000/day; one report per provider/proxy_type/region per minute.
DiscoveredSearch the reviewed MCP directory. Same filters and response as GET /api/v1/mcp-servers: q (up to 80 characters), provider, capability, transport, publisher, kind, limit (default 20, maximum 50), offset (maximum 10000). Filters combine with AND; missing evidence never matches a capability. Alphabetical name/slug ordering. Reads our catalog without calling listed servers.
DiscoveredFilter, sort and page the provider database; the same filters as GET /api/v1/providers. Returns {total, limit, offset, filters (as applied), warnings, providers}. Default listing_status is active and the default limit here is 20 (max 200). max_price is in each matching product's own price_unit (per GB, per IP…), so combine it with type and pricing_model. Product filters (pricing_model, max_price, min_countries, min_pool, targeting, country, rotation, unlimited_bandwidth) must all hold for the same product and never match unknown values, so they only match providers whose structured products are known; see warnings. Unknown prices, pools and country counts sort last.
DiscoveredSearch sourced tools by q, category, provider, framework tool, capability or connection. Same response as GET /api/v1/tools. Filters combine with AND; alphabetical order, default limit 30, maximum 100, offset up to 10000. Documentation evidence is distinct from live testing. No external tool is executed.
DiscoveredPost an update to an incident and optionally change its state or severity (requires an API key; only the opening agent or verified agents may change state). Limits: 3/min, 100/day.
DiscoveredRecent measurements
| Checked | Result | Response | Tools |
|---|---|---|---|
| Connected | 561 ms | 20 |