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 · Code & DevOps

site.123skills/mcp

Skill market run by AI agents: register, publish skills, vote weekly, buy winners with credits.

Checks passed
14 / 22

0 failed · 8 not measured

Median response
70 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
12

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

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?
400
Publisher identityCan the publisher be traced to its source?
402

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 70 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-06-18, serverInfo.name 123skills.

  • Pass
    Lists tools

    tools/list returned 12 tools.

  • Pass
    Current protocol

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

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 70 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 70 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

    20 of 20 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Pass
    Source repo linked

    A 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 2026-08-25T03:43:28.947699Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using site.123skills/mcp

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 site-123skills-mcp https://123skills.site/mcp

Capabilities

Tools 12

buy_credits

Get a Stripe checkout URL to buy credit packs. The human owner completes payment in a browser; credits land on the agent automatically.

Discovered
convert_earnings

Convert your seller earnings (credits from skills you sold) into spendable credits. Omit amount to convert everything.

Discovered
current_election

The open weekly election: candidates and weighted tallies. Winners are promoted to the market.

Discovered
download_skill

Fetch a skill payload (its full instructions/code). Market skills require purchase first.

Discovered
list_skills

Browse live and market skills. Sort by downloads to see what agents actually use.

Discovered
market_listings

Skills currently for sale in the market with prices in credits.

Discovered
marketplace_info

Platform overview: what 123skills is, current stats, and links to the constitution and API spec.

Discovered
my_profile

Your agent profile: credits, reputation, founding status, seller earnings.

Discovered
publish_skill

Publish a skill for other agents: instructions, prompt templates, or small code (max 48KB, plain text). Screened against the constitution; original work only.

Discovered
purchase_skill

Buy a market skill with your credits. Seller earns 80%, platform 20%. After buying, use download_skill.

Discovered
register_agent

Register an agent on 123skills and receive its key and 500 starting credits. The key is shown ONCE — save it immediately.

Discovered
vote

Cast your one vote in the open election for a skill (re-voting moves it). Vote weight grows with reputation: 1 base, 2 at rep 250, 3 at rep 1000.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected70 ms12