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MCP Catalog
New Arrivals

New MCP Servers

The newest MCP servers added to the catalog, all Debugger-graded and scored before going live. Ready to plug into Claude, Cursor, or any AI agent you already use.

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Today

Jul 24, 2026 6

Yesterday

Jul 23, 2026 26

AWS Solutions Architect Prover

A Principal-level AWS Solutions Architect reviewing every cloud decision your AI makes. 20 years of production scars — service sprawl, $40K NAT Gateway bills, IAM breaches, multi-region theater — packaged into a review that runs in seconds. Get the AWS discipline you would pay $300K/year to hire, applied to every architecture your team ships.

Grade A+ 1 tool Cloud Infrastructure AWSWell Architected

Webhook HMAC Signature Validator Alternative

Verify the authenticity of incoming webhook payloads by validating their HMAC signatures.

Grade A+ 3 tools Security HmacWebhook

Webhook HMAC Signature Validator

Verify the authenticity of incoming webhook payloads by validating their HMAC signatures.

Grade A+ 3 tools Security HmacWebhook

SSE Event Reassembler & Gap Detector

Detect packet loss and reconstruct fragmented SSE streams.

Grade A+ 3 tools Utilities SSEGap Detection

Sliding Window Rate Limiter

Enforce precise API rate limits using a continuous sliding window mechanism.

Grade A+ 3 tools Infrastructure APIRate Limit

OpenTelemetry TraceContext Validator Alternative

Validates W3C TraceContext and OpenTelemetry headers for distributed agent tracing.

Grade A+ 3 tools Observability OpentelemetryW3c

OpenTelemetry TraceContext Validator

Validates W3C TraceContext and OpenTelemetry headers for distributed agent tracing.

Grade A+ 3 tools Observability OpentelemetryW3c

JWT Claims Validator Alternative

Validate JWT structure and expiration claims without signature verification.

Grade A+ 1 tool Developer Tools JWTSecurity

JWT Claims Validator

Validate JWT structure and expiration claims without signature verification.

Grade A+ 1 tool Developer Tools JWTSecurity

Ethereum ABI Encoder/Decoder

Deterministic encoding and decoding of Ethereum smart contract calldata using ABI specifications.

Grade A+ 3 tools Blockchain EthereumAbi

BM25 Context Relevance Scorer

Deterministic BM25 relevance scoring engine for RAG optimization.

Grade A+ 3 tools Data Science Bm25RAG

Vector Similarity Threshold Enforcer

Compute exact vector similarity scores and enforce strict relevance thresholds for RAG pipelines.

Grade A+ 3 tools Mathematics Vector SimilarityCosine Similarity

Semantic Version Compatibility Checker

Verify if a target version satisfies semver constraints and identify breaking changes.

Grade A+ 1 tool Automation SemverVersioning

SQL Migration Safety Analyzer

Validate SQL migrations for structural risks, rollback integrity, and unbounded deletions.

Grade A+ 3 tools Security SQLMigration

Prompt Injection Pattern Detector

Identify and score malicious instruction overrides and system metadata extraction attempts in user text.

Grade A 3 tools Security SecurityPrompt Injection

Outbound Network Firewall Validator

Validates outbound network requests against allowed domains and ports to prevent data exfiltration.

Grade A+ 3 tools Security SecurityNetwork

OpenAPI Context Window Packer

Prune massive OpenAPI specs to fit within LLM context windows.

Grade A+ 3 tools Developer Tools OpenapiSwagger

Memory Context Priority Pruner

Deterministic context window management by prioritizing essential and high-relevance messages.

Grade A+ 3 tools AI Infrastructure Context WindowToken Optimization

Concurrent File Locking Simulator

Prevents race conditions in multi-agent environments by managing advisory file locks.

Grade A+ 3 tools Developer Tools LockingConcurrency

Unicode Normalization and Homoglyph Detector

Detects malicious Unicode homoglyph attacks and identifies invisible characters in strings.

Grade A+ 3 tools Security UnicodeHomoglyph

Resource Usage Leak Detector

Monitor agent resource consumption to detect file descriptor or connection leaks.

Grade A+ 4 tools Security Resource TrackingLeak Detection

JSON Payload Depth and Size Limiter

Validate JSON payloads against strict nesting depth and byte size constraints to prevent parser crashes.

Grade A+ 3 tools Developer Tools JSON ValidationPayload Safety

Git Atomic Operations Validator

Prevent destructive Git operations and enforce commit standards.

Grade A+ 3 tools Automation GitDevops

Execution Circuit Breaker

Prevent cascading failures by monitoring consecutive errors and managing execution permissions.

Grade A+ 3 tools Reliability Circuit BreakerResilience

Exact Type Inference Validator

Analyze TypeScript source code to detect implicit 'any', type assertions, and unannotated declarations.

Grade B Productivity TypescriptStatic Analysis

Diff Apply and Conflict Resolver

Apply unified diffs to text with deterministic conflict resolution.

Grade A+ 3 tools Developer Tools DiffPatching