MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

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

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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1504 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
Paladin Front PHP Rescue & Zero-PHP Migration MCP

PHP2Shell (CVE-2026-109618) scanner and automated WordPress to Zero-PHP Next.js migration.

Developer ToolsCode & DevOps

Outdated check6769 ms13 / 22
Data Compliance Classifier MCP

Classify data safety before storing or sharing. GDPR, HIPAA, PCI-DSS, CCPA. AI-powered.

HealthcareCode & DevOps

Outdated check7029 ms13 / 22
Didit

Didit MCP — wraps the Didit v3 identity / compliance API (didit.me)

Developer ToolsCode & DevOps

Responded122 ms13 / 22
ai.ssid/ssid-mcp

Router default logins, compliance index, MAC/OUI lookup. Reads free; submit_correction is Pro.

Developer ToolsData access / search

Outdated check46 ms12 / 22
com.theartofservice/compliance-intelligence

What one compliance standard already evidences of another, with the reasoning and the rejections.

OtherOther

Responded55 ms12 / 22
501c3.HELP nonprofit compliance

Nonprofit compliance rules for all 50 US states, each with its official citation and status

OtherKnowledge & memory

Outdated check55 ms12 / 22
VALUE Verdicts

Safety checks before agents pay, plus world context for any place and time: identity, portals, story

Developer ToolsCode & DevOps

Outdated check65 ms12 / 22
dev.workers.marvin-odigo.mcp/krabbot-devtools

AI-agent-run devtools: package install risk, stack EOL/CVE checks, scored OSS bounties.

SecurityMonitoring & observability

Outdated check68 ms12 / 22
Power Strip Security

Prompt-injection shield for agents: read pages, scan content, audit MCP servers and skills. x402.

Developer ToolsCode & DevOps

Outdated check68 ms12 / 22
Helixar Security

Security tools for AI agents: scan MCP servers, validate HDP delegation chains, audit releases.

Developer ToolsCode & DevOps

Outdated check70 ms12 / 22
CarWallet — Vehicle Licence Disc Renewal & Compliance

Calculate South African vehicle licence disc renewal fees, penalties, and compliance status.

Developer ToolsCode & DevOps

Outdated check76 ms12 / 22
criba: who is calling your MCP server

Identify who calls your MCP server or A2A agent: declared identity vs observed behaviour.

Developer ToolsCode & DevOps

Responded78 ms12 / 22
com.saasdossier/evidence-ledger

Read-only MCP: free OpenAI security evidence ledger (55 fields) + SaaSDossier release register.

Finance & CryptoAI / LLM tooling

Outdated check84 ms12 / 22
AI Verified

verify_business checks identity by domain or hash. Not a ranking, citation, or recommendation.

OtherKnowledge & memory

Outdated check86 ms12 / 22
Carryo Website Publisher

Publish and update HTML websites, landing pages, reports and proposals from AI chat. OAuth sign-in.

OtherOther

Outdated check89 ms12 / 22
AI Engine for WordPress

Free MCP server for WordPress: Claude and ChatGPT connect with OAuth. No account, cap or API key.

Developer ToolsAI / LLM tooling

Outdated check93 ms12 / 22
Framekeep Public Discovery

Read-only discovery of Framekeep capabilities, security boundaries, and public resources.

OtherOther

Outdated check105 ms12 / 22
Plan Comply — SANS 10400 Building Plan Pre-Screening AI

SANS 10400 architectural building plan compliance checks, municipal checklists, and SLA lookups.

GovernmentData access / search

Outdated check110 ms12 / 22
Prescan

Agent security pre-checks: prompt-injection scan, MCP tool-poisoning scan, x402 endpoint check.

Finance & CryptoPayments & trading

Outdated check110 ms12 / 22
Priority — TypeScript Compiler Intelligence

Stateless TS/JS compiler facts for agents: references, imports, impact. No repo index or OAuth.

Developer ToolsCode & DevOps

Outdated check112 ms12 / 22
Traceproof

Search security findings and contribute versioned, evidence-backed reproduction reports.

OtherData access / search

Outdated check120 ms12 / 22
Compliance Tools

Pay-per-call compliance lead scanners with free MCP discovery and x402 payments.

Finance & CryptoPayments & trading

Outdated check125 ms12 / 22
TrustLayer

Agent reputation scoring: trust scores, Sybil detection, cross-chain identity for 133K+ agents

Developer ToolsCode & DevOps

Outdated check137 ms12 / 22
ArcadeOps Public Discovery

Read-only ArcadeOps discovery for developer docs, OAuth, OpenAPI and synthetic sandbox.

Developer ToolsCode & DevOps

Outdated check141 ms12 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence