mcp-context-server in namespace io.github

io.github.alex-feel/mcp-context-server · Status: active

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Registry name: io.github.alex-feel/mcp-context-server
Package coordinate: pypi:mcp-context-server
Version: 2.2.2
Listed in the registry: 2026-03-28
Changed in the registry: 2026-03-28
First seen by tracevero: 2026-08-06
Vendor's website: https://github.com/alex-feel/mcp-context-server

An MCP server that provides persistent multimodal context storage for LLM agents.

Vendor's own description, untranslated and unverified

Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin. What the confidence levels mean

Measured values

Measured values
Credentials required	no Raw declaration – Required secret variables (raw): confirmed absent Raw declaration – Required secret headers (raw): confirmed absent Source: MCP-Register · collected on 2026-08-06 · derived
Execution location	local Raw declaration – Transports (raw): stdio, streamable-http Source: MCP-Register · collected on 2026-08-06 · derived
Path argument present	no Raw declaration – Path arguments (raw): confirmed absent Raw declaration – Path environment variables (raw): confirmed absent Source: MCP-Register · collected on 2026-08-06 · derived
Repository URL listed	yes Raw declaration – Repository (raw): https://github.com/alex-feel/mcp-context-server Source: MCP-Register · collected on 2026-08-06 · derived
Version	2.2.2 Source: MCP-Register · collected on 2026-08-06 · self-declared

Position within the holdings

How many of the 25,100 published entries carry the same measured value. A reference figure, not an assessment.

Credentials requiredno20,735 of 25,100 carry this value (83 %)View these entries
Execution locationlocal12,344 of 25,100 carry this value (49 %)View these entries
Path argument presentno24,857 of 25,100 carry this value (99 %)View these entries
Repository URL listedyes19,482 of 25,100 carry this value (78 %)View these entries

All 4 values together are carried by 8,664 of 25,100 entries.

This entry appears in these selections

The source's raw values24

Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin.

Raw values
Description (raw)	An MCP server that provides persistent multimodal context storage for LLM agents. Source: MCP-Register · collected on 2026-08-26 · self-declared
Environment variables (raw)	LOG_LEVEL, STORAGE_BACKEND, MAX_IMAGE_SIZE_MB, MAX_TOTAL_SIZE_MB, DB_PATH, POOL_MAX_READERS, POOL_MAX_WRITERS, POOL_CONNECTION_TIMEOUT_S, POOL_IDLE_TIMEOUT_S, POOL_HEALTH_CHECK_INTERVAL_S, RETRY_MAX_RETRIES, RETRY_BASE_DELAY_S, RETRY_MAX_DELAY_S, RETRY_JITTER, RETRY_BACKOFF_FACTOR, SQLITE_FOREIGN_KEYS, SQLITE_JOURNAL_MODE, SQLITE_SYNCHRONOUS, SQLITE_TEMP_STORE, SQLITE_MMAP_SIZE, SQLITE_CACHE_SIZE, SQLITE_PAGE_SIZE, SQLITE_WAL_AUTOCHECKPOINT, SQLITE_BUSY_TIMEOUT_MS, SQLITE_WAL_CHECKPOINT, SHUTDOWN_TIMEOUT_S, SHUTDOWN_TIMEOUT_TEST_S, QUEUE_TIMEOUT_S, QUEUE_TIMEOUT_TEST_S, CIRCUIT_BREAKER_FAILURE_THRESHOLD, CIRCUIT_BREAKER_RECOVERY_TIMEOUT_S, CIRCUIT_BREAKER_HALF_OPEN_MAX_CALLS, POSTGRESQL_CONNECTION_STRING, POSTGRESQL_HOST, POSTGRESQL_PORT, POSTGRESQL_USER, POSTGRESQL_PASSWORD, POSTGRESQL_DATABASE, POSTGRESQL_POOL_MIN, POSTGRESQL_POOL_MAX, POSTGRESQL_POOL_TIMEOUT_S, POSTGRESQL_COMMAND_TIMEOUT_S, POSTGRESQL_MIGRATION_TIMEOUT_S, POSTGRESQL_MAX_INACTIVE_LIFETIME_S, POSTGRESQL_MAX_QUERIES, POSTGRESQL_TCP_KEEPALIVES_IDLE_S, POSTGRESQL_TCP_KEEPALIVES_INTERVAL_S, POSTGRESQL_TCP_KEEPALIVES_COUNT, POSTGRESQL_STATEMENT_CACHE_SIZE, POSTGRESQL_MAX_CACHED_STATEMENT_LIFETIME_S, POSTGRESQL_MAX_CACHEABLE_STATEMENT_SIZE, POSTGRESQL_SSL_MODE, POSTGRESQL_SCHEMA, ENABLE_SEMANTIC_SEARCH, ENABLE_EMBEDDING_GENERATION, OLLAMA_HOST, OLLAMA_AUTO_PULL, OLLAMA_PULL_TIMEOUT_S, EMBEDDING_OLLAMA_TRUNCATE, EMBEDDING_OLLAMA_NUM_CTX, EMBEDDING_MODEL, EMBEDDING_DIM, EMBEDDING_TIMEOUT_S, EMBEDDING_RETRY_MAX_ATTEMPTS, EMBEDDING_RETRY_BASE_DELAY_S, EMBEDDING_MAX_CONCURRENT, ENABLE_SUMMARY_GENERATION, SUMMARY_PROVIDER, SUMMARY_MODEL, SUMMARY_MAX_TOKENS, SUMMARY_TIMEOUT_S, SUMMARY_RETRY_MAX_ATTEMPTS, SUMMARY_RETRY_BASE_DELAY_S, SUMMARY_MAX_CONCURRENT, SUMMARY_PROMPT, SUMMARY_MIN_CONTENT_LENGTH, SUMMARY_OLLAMA_NUM_CTX, SUMMARY_OLLAMA_TRUNCATE, SUMMARY_OPENAI_REASONING_EFFORT, SUMMARY_ANTHROPIC_EFFORT, ANTHROPIC_API_KEY, ENABLE_FTS, FTS_LANGUAGE, FTS_RERANK_WINDOW_SIZE, FTS_RERANK_GAP_MERGE, ENABLE_HYBRID_SEARCH, HYBRID_RRF_K, HYBRID_RRF_OVERFETCH, HYBRID_FTS_OR_THRESHOLD, SEARCH_DEFAULT_SORT_BY, SEARCH_TRUNCATION_LENGTH, ENABLE_CHUNKING, CHUNK_SIZE, CHUNK_OVERLAP, CHUNK_AGGREGATION, CHUNK_DEDUP_OVERFETCH, ENABLE_RERANKING, RERANKING_PROVIDER, RERANKING_MODEL, RERANKING_MAX_LENGTH, RERANKING_OVERFETCH, RERANKING_CACHE_DIR, RERANKING_CHARS_PER_TOKEN, RERANKING_INTRA_OP_THREADS, RERANKING_CPU_MEM_ARENA, RERANKING_BATCH_SIZE, EMBEDDING_PROVIDER, OPENAI_API_KEY, OPENAI_API_BASE, OPENAI_ORGANIZATION, AZURE_OPENAI_API_KEY, AZURE_OPENAI_ENDPOINT, AZURE_OPENAI_EMBEDDING_DEPLOYMENT_NAME, AZURE_OPENAI_API_VERSION, HUGGINGFACEHUB_API_TOKEN, VOYAGE_API_KEY, VOYAGE_TRUNCATION, VOYAGE_BATCH_SIZE, LANGSMITH_TRACING, LANGSMITH_API_KEY, LANGSMITH_PROJECT, LANGSMITH_ENDPOINT, METADATA_INDEXED_FIELDS, METADATA_INDEX_SYNC_MODE, MCP_TRANSPORT, FASTMCP_HOST, FASTMCP_PORT, FASTMCP_STATELESS_HTTP, DISABLED_TOOLS, MCP_AUTH_TOKEN, MCP_AUTH_CLIENT_ID, MCP_AUTH_PROVIDER, MCP_SERVER_INSTRUCTIONS, LOG_LEVEL, STORAGE_BACKEND, MAX_IMAGE_SIZE_MB, MAX_TOTAL_SIZE_MB, DB_PATH, POOL_MAX_READERS, POOL_MAX_WRITERS, POOL_CONNECTION_TIMEOUT_S, POOL_IDLE_TIMEOUT_S, POOL_HEALTH_CHECK_INTERVAL_S, RETRY_MAX_RETRIES, RETRY_BASE_DELAY_S, RETRY_MAX_DELAY_S, RETRY_JITTER, RETRY_BACKOFF_FACTOR, SQLITE_FOREIGN_KEYS, SQLITE_JOURNAL_MODE, SQLITE_SYNCHRONOUS, SQLITE_TEMP_STORE, SQLITE_MMAP_SIZE, SQLITE_CACHE_SIZE, SQLITE_PAGE_SIZE, SQLITE_WAL_AUTOCHECKPOINT, SQLITE_BUSY_TIMEOUT_MS, SQLITE_WAL_CHECKPOINT, SHUTDOWN_TIMEOUT_S, SHUTDOWN_TIMEOUT_TEST_S, QUEUE_TIMEOUT_S, QUEUE_TIMEOUT_TEST_S, CIRCUIT_BREAKER_FAILURE_THRESHOLD, CIRCUIT_BREAKER_RECOVERY_TIMEOUT_S, CIRCUIT_BREAKER_HALF_OPEN_MAX_CALLS, POSTGRESQL_CONNECTION_STRING, POSTGRESQL_HOST, POSTGRESQL_PORT, POSTGRESQL_USER, POSTGRESQL_PASSWORD, POSTGRESQL_DATABASE, POSTGRESQL_POOL_MIN, POSTGRESQL_POOL_MAX, POSTGRESQL_POOL_TIMEOUT_S, POSTGRESQL_COMMAND_TIMEOUT_S, POSTGRESQL_MIGRATION_TIMEOUT_S, POSTGRESQL_MAX_INACTIVE_LIFETIME_S, POSTGRESQL_MAX_QUERIES, POSTGRESQL_TCP_KEEPALIVES_IDLE_S, POSTGRESQL_TCP_KEEPALIVES_INTERVAL_S, POSTGRESQL_TCP_KEEPALIVES_COUNT, POSTGRESQL_STATEMENT_CACHE_SIZE, POSTGRESQL_MAX_CACHED_STATEMENT_LIFETIME_S, POSTGRESQL_MAX_CACHEABLE_STATEMENT_SIZE, POSTGRESQL_SSL_MODE, POSTGRESQL_SCHEMA, ENABLE_SEMANTIC_SEARCH, ENABLE_EMBEDDING_GENERATION, OLLAMA_HOST, OLLAMA_AUTO_PULL, OLLAMA_PULL_TIMEOUT_S, EMBEDDING_OLLAMA_TRUNCATE, EMBEDDING_OLLAMA_NUM_CTX, EMBEDDING_MODEL, EMBEDDING_DIM, EMBEDDING_TIMEOUT_S, EMBEDDING_RETRY_MAX_ATTEMPTS, EMBEDDING_RETRY_BASE_DELAY_S, EMBEDDING_MAX_CONCURRENT, ENABLE_SUMMARY_GENERATION, SUMMARY_PROVIDER, SUMMARY_MODEL, SUMMARY_MAX_TOKENS, SUMMARY_TIMEOUT_S, SUMMARY_RETRY_MAX_ATTEMPTS, SUMMARY_RETRY_BASE_DELAY_S, SUMMARY_MAX_CONCURRENT, SUMMARY_PROMPT, SUMMARY_MIN_CONTENT_LENGTH, SUMMARY_OLLAMA_NUM_CTX, SUMMARY_OLLAMA_TRUNCATE, SUMMARY_OPENAI_REASONING_EFFORT, SUMMARY_ANTHROPIC_EFFORT, ANTHROPIC_API_KEY, ENABLE_FTS, FTS_LANGUAGE, FTS_RERANK_WINDOW_SIZE, FTS_RERANK_GAP_MERGE, ENABLE_HYBRID_SEARCH, HYBRID_RRF_K, HYBRID_RRF_OVERFETCH, HYBRID_FTS_OR_THRESHOLD, SEARCH_DEFAULT_SORT_BY, SEARCH_TRUNCATION_LENGTH, ENABLE_CHUNKING, CHUNK_SIZE, CHUNK_OVERLAP, CHUNK_AGGREGATION, CHUNK_DEDUP_OVERFETCH, ENABLE_RERANKING, RERANKING_PROVIDER, RERANKING_MODEL, RERANKING_MAX_LENGTH, RERANKING_OVERFETCH, RERANKING_CACHE_DIR, RERANKING_CHARS_PER_TOKEN, RERANKING_INTRA_OP_THREADS, RERANKING_CPU_MEM_ARENA, RERANKING_BATCH_SIZE, EMBEDDING_PROVIDER, OPENAI_API_KEY, OPENAI_API_BASE, OPENAI_ORGANIZATION, AZURE_OPENAI_API_KEY, AZURE_OPENAI_ENDPOINT, AZURE_OPENAI_EMBEDDING_DEPLOYMENT_NAME, AZURE_OPENAI_API_VERSION, HUGGINGFACEHUB_API_TOKEN, VOYAGE_API_KEY, VOYAGE_TRUNCATION, VOYAGE_BATCH_SIZE, LANGSMITH_TRACING, LANGSMITH_API_KEY, LANGSMITH_PROJECT, LANGSMITH_ENDPOINT, METADATA_INDEXED_FIELDS, METADATA_INDEX_SYNC_MODE, MCP_TRANSPORT, FASTMCP_HOST, FASTMCP_PORT, FASTMCP_STATELESS_HTTP, DISABLED_TOOLS, MCP_AUTH_TOKEN, MCP_AUTH_CLIENT_ID, MCP_AUTH_PROVIDER, MCP_SERVER_INSTRUCTIONS Source: MCP-Register · collected on 2026-08-06 · self-declared
Required secret variables (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared
Transports (raw)	stdio, streamable-http Source: MCP-Register · collected on 2026-08-06 · self-declared
Path arguments (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared
Repository (raw)	https://github.com/alex-feel/mcp-context-server Source: MCP-Register · collected on 2026-08-06 · self-declared
Package registries (raw)	oci, pypi Source: MCP-Register · collected on 2026-08-06 · self-declared
Required secret headers (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
Path environment variables (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
Remote URLs (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
Remote hosts (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
Registry status message (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
First listed in the registry (raw)	2026-03-28 Source: MCP-Register · collected on 2026-08-16 · self-declared
Last changed in the registry (raw)	2026-03-28 Source: MCP-Register · collected on 2026-08-16 · self-declared
Schema version of the raw record (raw)	https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json Source: MCP-Register · collected on 2026-08-16 · self-declared
Delivery form (raw)	paket Source: MCP-Register · collected on 2026-08-16 · self-declared
Repository platform (raw)	github Source: MCP-Register · collected on 2026-08-16 · self-declared
Repository subfolder (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared
Package identifiers (raw)	ghcr.io/alex-feel/mcp-context-server:2.2.2, mcp-context-server Source: MCP-Register · collected on 2026-08-16 · self-declared
Package versions (raw)	2.2.2 Source: MCP-Register · collected on 2026-08-16 · self-declared
Runtime hints (raw)	docker Source: MCP-Register · collected on 2026-08-16 · self-declared
Environment variable formats (raw)	boolean, number, string Source: MCP-Register · collected on 2026-08-16 · self-declared
Environment variable descriptions (raw)	ANTHROPIC_API_KEY=Anthropic API key for summary generation · AZURE_OPENAI_API_KEY=Azure OpenAI API key · AZURE_OPENAI_API_VERSION=Azure OpenAI API version (default: 2024-02-01) · AZURE_OPENAI_EMBEDDING_DEPLOYMENT_NAME=Azure OpenAI embedding deployment name · AZURE_OPENAI_ENDPOINT=Azure OpenAI endpoint URL · CHUNK_AGGREGATION=Chunk score aggregation method: max (only 'max' supported in current version) · CHUNK_DEDUP_OVERFETCH=Multiplier for over-fetching chunks before deduplication (default: 5) · CHUNK_OVERLAP=Overlap between chunks in characters (default: 150) · CHUNK_SIZE=Target chunk size in characters (default: 1500) · CIRCUIT_BREAKER_FAILURE_THRESHOLD=Circuit breaker failure threshold before opening · CIRCUIT_BREAKER_HALF_OPEN_MAX_CALLS=Maximum calls allowed in circuit breaker half-open state · CIRCUIT_BREAKER_RECOVERY_TIMEOUT_S=Circuit breaker recovery timeout in seconds · DB_PATH=Custom database file location path · DISABLED_TOOLS=Comma-separated list of tools to disable (e.g., delete_context,update_context) · EMBEDDING_DIM=Embedding vector dimensions · EMBEDDING_MAX_CONCURRENT=Maximum concurrent embedding generation operations (default: 3, range: 1-20) · EMBEDDING_MODEL=Embedding model name for semantic search · EMBEDDING_OLLAMA_NUM_CTX=Ollama embedding context window size in tokens (default: 4096, range: 512-2097152) · EMBEDDING_OLLAMA_TRUNCATE=Ollama embedding truncation mode: false (default) returns error when context exceeded, true enables silent truncation · EMBEDDING_PROVIDER=Embedding provider: ollama (default), openai, azure, huggingface, or voyage · EMBEDDING_RETRY_BASE_DELAY_S=Base delay in seconds between retry attempts (with exponential backoff) · EMBEDDING_RETRY_MAX_ATTEMPTS=Maximum number of retry attempts for embedding generation · EMBEDDING_TIMEOUT_S=Timeout in seconds for embedding generation API calls · ENABLE_CHUNKING=Enable text chunking for embedding generation (default: true) · ENABLE_EMBEDDING_GENERATION=Enable embedding generation for stored context. Default true - server fails if dependencies not met. Set false to disable embeddings. · ENABLE_FTS=Enable full-text search functionality · ENABLE_HYBRID_SEARCH=Enable hybrid search combining FTS and semantic search with RRF fusion · ENABLE_RERANKING=Enable cross-encoder reranking of search results (default: true) · ENABLE_SEMANTIC_SEARCH=Enable semantic search functionality · ENABLE_SUMMARY_GENERATION=Enable summary generation for stored context. Default true - server fails if dependencies not met. Set false to disable summaries. · FASTMCP_HOST=HTTP bind address (use 0.0.0.0 for Docker) · FASTMCP_PORT=HTTP port number · FASTMCP_STATELESS_HTTP=Enable stateless HTTP mode for horizontal scaling. Enabled by default as the server has no stateful MCP features. Set to false only if you need server-side MCP session tracking. · FTS_LANGUAGE=Language for FTS stemming (e.g., english, german, french) · FTS_RERANK_GAP_MERGE=Merge FTS match regions within this character distance (default: 100) · FTS_RERANK_WINDOW_SIZE=Characters of context around each FTS match for reranking passage extraction (default: 750) · HUGGINGFACEHUB_API_TOKEN=HuggingFace Hub API token for HuggingFace embedding provider · HYBRID_FTS_OR_THRESHOLD=Minimum significant query terms to switch hybrid FTS from AND to OR logic (default: 4) · HYBRID_RRF_K=RRF smoothing constant for hybrid search (default 60) · HYBRID_RRF_OVERFETCH=Multiplier for over-fetching results before RRF fusion (default: 2) · LANGSMITH_API_KEY=LangSmith API key · LANGSMITH_ENDPOINT=LangSmith API endpoint URL · LANGSMITH_PROJECT=LangSmith project name · LANGSMITH_TRACING=Enable LangSmith tracing · LOG_LEVEL=Log level · MAX_IMAGE_SIZE_MB=Maximum individual image size in megabytes · MAX_TOTAL_SIZE_MB=Maximum total request size in megabytes · MCP_AUTH_CLIENT_ID=Client ID to assign to authenticated requests · MCP_AUTH_PROVIDER=Authentication provider: none (default), simple_token · MCP_AUTH_TOKEN=Bearer token for HTTP authentication (required when using SimpleTokenVerifier) · MCP_SERVER_INSTRUCTIONS=Custom server instructions text. Overrides built-in default. Set to empty string to disable. · MCP_TRANSPORT=Transport mode: stdio for local, http for Docker/remote · METADATA_INDEXED_FIELDS=Comma-separated list of metadata fields to index (field:type format) · METADATA_INDEX_SYNC_MODE=Index sync mode: strict (fail), auto (sync), warn (log), additive (default, add missing only) · OLLAMA_AUTO_PULL=Automatically pull missing Ollama models on startup (default: true) · OLLAMA_HOST=Ollama API host URL for embedding generation · OLLAMA_PULL_TIMEOUT_S=Timeout in seconds for pulling Ollama models (default: 900, range: 30-3600) · OPENAI_API_BASE=Custom base URL for OpenAI-compatible APIs · OPENAI_API_KEY=OpenAI API key for OpenAI embedding provider · OPENAI_ORGANIZATION=OpenAI organization ID · POOL_CONNECTION_TIMEOUT_S=Connection timeout in seconds · POOL_HEALTH_CHECK_INTERVAL_S=Connection health check interval in seconds · POOL_IDLE_TIMEOUT_S=Idle connection timeout in seconds · POOL_MAX_READERS=Maximum number of concurrent read connections in the pool · POOL_MAX_WRITERS=Maximum number of concurrent write connections in the pool · POSTGRESQL_COMMAND_TIMEOUT_S=PostgreSQL command execution timeout in seconds · POSTGRESQL_CONNECTION_STRING=Complete PostgreSQL connection string (overrides individual settings if provided) · POSTGRESQL_DATABASE=PostgreSQL database name · POSTGRESQL_HOST=PostgreSQL server host address · POSTGRESQL_MAX_CACHEABLE_STATEMENT_SIZE=Maximum size of statement to cache in bytes (default: 15360). Has no effect when statement_cache_size=0 · POSTGRESQL_MAX_CACHED_STATEMENT_LIFETIME_S=Maximum lifetime of cached prepared statements in seconds (default: 300). Has no effect when statement_cache_size=0 · POSTGRESQL_MAX_INACTIVE_LIFETIME_S=Close idle PostgreSQL connections after this many seconds (0 to disable, default: 300) · POSTGRESQL_MAX_QUERIES=Recycle PostgreSQL connections after this many queries (0 to disable, default: 10000) · POSTGRESQL_MIGRATION_TIMEOUT_S=Timeout in seconds for PostgreSQL migration operations (default: 300) · POSTGRESQL_PASSWORD=PostgreSQL database password · POSTGRESQL_POOL_MAX=PostgreSQL connection pool maximum size · POSTGRESQL_POOL_MIN=PostgreSQL connection pool minimum size · POSTGRESQL_POOL_TIMEOUT_S=PostgreSQL connection pool timeout in seconds · POSTGRESQL_PORT=PostgreSQL server port number · POSTGRESQL_SCHEMA=PostgreSQL schema name for table and index operations (default: public) · POSTGRESQL_SSL_MODE=PostgreSQL SSL mode (disable, allow, prefer, require, verify-ca, verify-full) · POSTGRESQL_STATEMENT_CACHE_SIZE=asyncpg prepared statement cache size. Set to 0 for external pooler compatibility (PgBouncer transaction mode, Pgpool-II, etc.). Default: 100 · POSTGRESQL_TCP_KEEPALIVES_COUNT=Number of failed TCP keepalive probes before connection is considered dead (0 to disable, default: 3) · POSTGRESQL_TCP_KEEPALIVES_IDLE_S=Seconds of idle time before sending first TCP keepalive probe (0 to disable, default: 15) · POSTGRESQL_TCP_KEEPALIVES_INTERVAL_S=Seconds between subsequent TCP keepalive probes (0 to disable, default: 5) · POSTGRESQL_USER=PostgreSQL database username · QUEUE_TIMEOUT_S=Queue operation timeout in seconds · QUEUE_TIMEOUT_TEST_S=Test mode queue timeout in seconds · RERANKING_BATCH_SIZE=Maximum passages per ONNX Runtime inference batch during reranking (default: 32) · RERANKING_CACHE_DIR=Directory for caching reranking models · RERANKING_CHARS_PER_TOKEN=Estimated characters per token for passage size validation (default: 4.0, range: 2.0-8.0) · RERANKING_CPU_MEM_ARENA=Enable ONNX Runtime CPU memory arena for reranking (default: false) · RERANKING_INTRA_OP_THREADS=ONNX Runtime intra-operation parallelism threads for reranking (default: 0 = auto-detect) · RERANKING_MAX_LENGTH=Maximum input length for reranking in tokens (default: 512) · RERANKING_MODEL=Reranking model name (default: ms-marco-MiniLM-L-12-v2) · RERANKING_OVERFETCH=Multiplier for over-fetching results before reranking (default: 4) · RERANKING_PROVIDER=Reranking provider (default: flashrank) · RETRY_BACKOFF_FACTOR=Exponential backoff multiplication factor for retries · RETRY_BASE_DELAY_S=Base delay in seconds between retry attempts · RETRY_JITTER=Enable random jitter in retry delays · RETRY_MAX_DELAY_S=Maximum delay in seconds between retry attempts · RETRY_MAX_RETRIES=Maximum number of retry attempts for failed operations · SEARCH_DEFAULT_SORT_BY=Default sort order for search results: relevance (only 'relevance' supported in current version) · SEARCH_TRUNCATION_LENGTH=Maximum character length for truncated text_content in search results (default: 300, range: 50-1000) · SHUTDOWN_TIMEOUT_S=Server shutdown timeout in seconds · SHUTDOWN_TIMEOUT_TEST_S=Test mode shutdown timeout in seconds · SQLITE_BUSY_TIMEOUT_MS=SQLite busy timeout in milliseconds · SQLITE_CACHE_SIZE=SQLite cache size (negative value for KB, positive for pages) · SQLITE_FOREIGN_KEYS=Enable SQLite foreign key constraints · SQLITE_JOURNAL_MODE=SQLite journal mode (e.g., WAL, DELETE) · SQLITE_MMAP_SIZE=SQLite memory-mapped I/O size in bytes · SQLITE_PAGE_SIZE=SQLite page size in bytes · SQLITE_SYNCHRONOUS=SQLite synchronous mode (e.g., NORMAL, FULL, OFF) · SQLITE_TEMP_STORE=SQLite temporary storage location (e.g., MEMORY, FILE) · SQLITE_WAL_AUTOCHECKPOINT=SQLite WAL autocheckpoint threshold in pages · SQLITE_WAL_CHECKPOINT=SQLite WAL checkpoint mode (e.g., PASSIVE, FULL, RESTART) · STORAGE_BACKEND=Storage backend type: sqlite (default) or postgresql · SUMMARY_ANTHROPIC_EFFORT=Effort level for Anthropic Claude models (default: none). Valid values: max, high, medium, low. Controls inference effort (adaptive thinking) · SUMMARY_MAX_CONCURRENT=Maximum concurrent summary generation operations (default: 3, range: 1-20) · SUMMARY_MAX_TOKENS=Maximum output tokens for summary generation (default: 4000, range: 50-16384). Increase if summaries are truncated by reasoning models · SUMMARY_MIN_CONTENT_LENGTH=Minimum text content length in characters to trigger summary generation (default: 500, range: 0-10000). Set to 0 to always generate. · SUMMARY_MODEL=Summary generation model name (default: qwen3:0.6b) · SUMMARY_OLLAMA_NUM_CTX=Ollama summary context window size in tokens (default: 32768, range: 512-2097152) · SUMMARY_OLLAMA_TRUNCATE=Ollama summary truncation mode: false (default) returns error when context exceeded, true enables silent truncation · SUMMARY_OPENAI_REASONING_EFFORT=Reasoning effort level for OpenAI reasoning models (default: low). Valid values vary by generation: gpt-5: low, medium, high; gpt-5.1+: none, low, medium, high, xhigh. Default low is universally valid across all generations · SUMMARY_PROMPT=Custom summarization prompt. Overrides the built-in default. Used as system message for the LLM. · SUMMARY_PROVIDER=Summary provider: ollama (default), openai, or anthropic · SUMMARY_RETRY_BASE_DELAY_S=Base delay in seconds between retry attempts (with exponential backoff) · SUMMARY_RETRY_MAX_ATTEMPTS=Maximum number of retry attempts for summary generation · SUMMARY_TIMEOUT_S=Timeout in seconds for summary generation API calls · VOYAGE_API_KEY=Voyage AI API key for Voyage embedding provider · VOYAGE_BATCH_SIZE=Voyage AI batch size for embedding requests · VOYAGE_TRUNCATION=Voyage AI truncation mode: false (default) returns error when context exceeded, true enables silent truncation Source: MCP-Register · collected on 2026-08-16 · self-declared
Icon formats (raw)	confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared

Changes

Changes
2026-08-26	Description (raw): – → An MCP server that provides persistent multimodal context storage for LLM agents.
2026-08-16	Last changed in the registry (raw): – → 2026-03-28
2026-08-16	First listed in the registry (raw): – → 2026-03-28
2026-08-16	Registry status message (raw): – → –
2026-08-16	Schema version of the raw record (raw): – → https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json
2026-08-16	Icon formats (raw): – → –
2026-08-16	Environment variable descriptions (raw): – → ANTHROPIC_API_KEY=Anthropic API key for summary generation · AZURE_OPENAI_API_KEY=Azure OpenAI API key · AZURE_OPENAI_API_VERSION=Azure OpenAI API version (default: 2024-02-01) · AZURE_OPENAI_EMBEDDING_DEPLOYMENT_NAME=Azure OpenAI embedding deployment name · AZURE_OPENAI_ENDPOINT=Azure OpenAI endpoint URL · CHUNK_AGGREGATION=Chunk score aggregation method: max (only 'max' supported in current version) · CHUNK_DEDUP_OVERFETCH=Multiplier for over-fetching chunks before deduplication (default: 5) · CHUNK_OVERLAP=Overlap between chunks in characters (default: 150) · CHUNK_SIZE=Target chunk size in characters (default: 1500) · CIRCUIT_BREAKER_FAILURE_THRESHOLD=Circuit breaker failure threshold before opening · CIRCUIT_BREAKER_HALF_OPEN_MAX_CALLS=Maximum calls allowed in circuit breaker half-open state · CIRCUIT_BREAKER_RECOVERY_TIMEOUT_S=Circuit breaker recovery timeout in seconds · DB_PATH=Custom database file location path · DISABLED_TOOLS=Comma-separated list of tools to disable (e.g., delete_context,update_context) · EMBEDDING_DIM=Embedding vector dimensions · EMBEDDING_MAX_CONCURRENT=Maximum concurrent embedding generation operations (default: 3, range: 1-20) · EMBEDDING_MODEL=Embedding model name for semantic search · EMBEDDING_OLLAMA_NUM_CTX=Ollama embedding context window size in tokens (default: 4096, range: 512-2097152) · EMBEDDING_OLLAMA_TRUNCATE=Ollama embedding truncation mode: false (default) returns error when context exceeded, true enables silent truncation · EMBEDDING_PROVIDER=Embedding provider: ollama (default), openai, azure, huggingface, or voyage · EMBEDDING_RETRY_BASE_DELAY_S=Base delay in seconds between retry attempts (with exponential backoff) · EMBEDDING_RETRY_MAX_ATTEMPTS=Maximum number of retry attempts for embedding generation · EMBEDDING_TIMEOUT_S=Timeout in seconds for embedding generation API calls · ENABLE_CHUNKING=Enable text chunking for embedding generation (default: true) · ENABLE_EMBEDDING_GENERATION=Enable embedding generation for stored context. Default true - server fails if dependencies not met. Set false to disable embeddings. · ENABLE_FTS=Enable full-text search functionality · ENABLE_HYBRID_SEARCH=Enable hybrid search combining FTS and semantic search with RRF fusion · ENABLE_RERANKING=Enable cross-encoder reranking of search results (default: true) · ENABLE_SEMANTIC_SEARCH=Enable semantic search functionality · ENABLE_SUMMARY_GENERATION=Enable summary generation for stored context. Default true - server fails if dependencies not met. Set false to disable summaries. · FASTMCP_HOST=HTTP bind address (use 0.0.0.0 for Docker) · FASTMCP_PORT=HTTP port number · FASTMCP_STATELESS_HTTP=Enable stateless HTTP mode for horizontal scaling. Enabled by default as the server has no stateful MCP features. Set to false only if you need server-side MCP session tracking. · FTS_LANGUAGE=Language for FTS stemming (e.g., english, german, french) · FTS_RERANK_GAP_MERGE=Merge FTS match regions within this character distance (default: 100) · FTS_RERANK_WINDOW_SIZE=Characters of context around each FTS match for reranking passage extraction (default: 750) · HUGGINGFACEHUB_API_TOKEN=HuggingFace Hub API token for HuggingFace embedding provider · HYBRID_FTS_OR_THRESHOLD=Minimum significant query terms to switch hybrid FTS from AND to OR logic (default: 4) · HYBRID_RRF_K=RRF smoothing constant for hybrid search (default 60) · HYBRID_RRF_OVERFETCH=Multiplier for over-fetching results before RRF fusion (default: 2) · LANGSMITH_API_KEY=LangSmith API key · LANGSMITH_ENDPOINT=LangSmith API endpoint URL · LANGSMITH_PROJECT=LangSmith project name · LANGSMITH_TRACING=Enable LangSmith tracing · LOG_LEVEL=Log level · MAX_IMAGE_SIZE_MB=Maximum individual image size in megabytes · MAX_TOTAL_SIZE_MB=Maximum total request size in megabytes · MCP_AUTH_CLIENT_ID=Client ID to assign to authenticated requests · MCP_AUTH_PROVIDER=Authentication provider: none (default), simple_token · MCP_AUTH_TOKEN=Bearer token for HTTP authentication (required when using SimpleTokenVerifier) · MCP_SERVER_INSTRUCTIONS=Custom server instructions text. Overrides built-in default. Set to empty string to disable. · MCP_TRANSPORT=Transport mode: stdio for local, http for Docker/remote · METADATA_INDEXED_FIELDS=Comma-separated list of metadata fields to index (field:type format) · METADATA_INDEX_SYNC_MODE=Index sync mode: strict (fail), auto (sync), warn (log), additive (default, add missing only) · OLLAMA_AUTO_PULL=Automatically pull missing Ollama models on startup (default: true) · OLLAMA_HOST=Ollama API host URL for embedding generation · OLLAMA_PULL_TIMEOUT_S=Timeout in seconds for pulling Ollama models (default: 900, range: 30-3600) · OPENAI_API_BASE=Custom base URL for OpenAI-compatible APIs · OPENAI_API_KEY=OpenAI API key for OpenAI embedding provider · OPENAI_ORGANIZATION=OpenAI organization ID · POOL_CONNECTION_TIMEOUT_S=Connection timeout in seconds · POOL_HEALTH_CHECK_INTERVAL_S=Connection health check interval in seconds · POOL_IDLE_TIMEOUT_S=Idle connection timeout in seconds · POOL_MAX_READERS=Maximum number of concurrent read connections in the pool · POOL_MAX_WRITERS=Maximum number of concurrent write connections in the pool · POSTGRESQL_COMMAND_TIMEOUT_S=PostgreSQL command execution timeout in seconds · POSTGRESQL_CONNECTION_STRING=Complete PostgreSQL connection string (overrides individual settings if provided) · POSTGRESQL_DATABASE=PostgreSQL database name · POSTGRESQL_HOST=PostgreSQL server host address · POSTGRESQL_MAX_CACHEABLE_STATEMENT_SIZE=Maximum size of statement to cache in bytes (default: 15360). Has no effect when statement_cache_size=0 · POSTGRESQL_MAX_CACHED_STATEMENT_LIFETIME_S=Maximum lifetime of cached prepared statements in seconds (default: 300). Has no effect when statement_cache_size=0 · POSTGRESQL_MAX_INACTIVE_LIFETIME_S=Close idle PostgreSQL connections after this many seconds (0 to disable, default: 300) · POSTGRESQL_MAX_QUERIES=Recycle PostgreSQL connections after this many queries (0 to disable, default: 10000) · POSTGRESQL_MIGRATION_TIMEOUT_S=Timeout in seconds for PostgreSQL migration operations (default: 300) · POSTGRESQL_PASSWORD=PostgreSQL database password · POSTGRESQL_POOL_MAX=PostgreSQL connection pool maximum size · POSTGRESQL_POOL_MIN=PostgreSQL connection pool minimum size · POSTGRESQL_POOL_TIMEOUT_S=PostgreSQL connection pool timeout in seconds · POSTGRESQL_PORT=PostgreSQL server port number · POSTGRESQL_SCHEMA=PostgreSQL schema name for table and index operations (default: public) · POSTGRESQL_SSL_MODE=PostgreSQL SSL mode (disable, allow, prefer, require, verify-ca, verify-full) · POSTGRESQL_STATEMENT_CACHE_SIZE=asyncpg prepared statement cache size. Set to 0 for external pooler compatibility (PgBouncer transaction mode, Pgpool-II, etc.). Default: 100 · POSTGRESQL_TCP_KEEPALIVES_COUNT=Number of failed TCP keepalive probes before connection is considered dead (0 to disable, default: 3) · POSTGRESQL_TCP_KEEPALIVES_IDLE_S=Seconds of idle time before sending first TCP keepalive probe (0 to disable, default: 15) · POSTGRESQL_TCP_KEEPALIVES_INTERVAL_S=Seconds between subsequent TCP keepalive probes (0 to disable, default: 5) · POSTGRESQL_USER=PostgreSQL database username · QUEUE_TIMEOUT_S=Queue operation timeout in seconds · QUEUE_TIMEOUT_TEST_S=Test mode queue timeout in seconds · RERANKING_BATCH_SIZE=Maximum passages per ONNX Runtime inference batch during reranking (default: 32) · RERANKING_CACHE_DIR=Directory for caching reranking models · RERANKING_CHARS_PER_TOKEN=Estimated characters per token for passage size validation (default: 4.0, range: 2.0-8.0) · RERANKING_CPU_MEM_ARENA=Enable ONNX Runtime CPU memory arena for reranking (default: false) · RERANKING_INTRA_OP_THREADS=ONNX Runtime intra-operation parallelism threads for reranking (default: 0 = auto-detect) · RERANKING_MAX_LENGTH=Maximum input length for reranking in tokens (default: 512) · RERANKING_MODEL=Reranking model name (default: ms-marco-MiniLM-L-12-v2) · RERANKING_OVERFETCH=Multiplier for over-fetching results before reranking (default: 4) · RERANKING_PROVIDER=Reranking provider (default: flashrank) · RETRY_BACKOFF_FACTOR=Exponential backoff multiplication factor for retries · RETRY_BASE_DELAY_S=Base delay in seconds between retry attempts · RETRY_JITTER=Enable random jitter in retry delays · RETRY_MAX_DELAY_S=Maximum delay in seconds between retry attempts · RETRY_MAX_RETRIES=Maximum number of retry attempts for failed operations · SEARCH_DEFAULT_SORT_BY=Default sort order for search results: relevance (only 'relevance' supported in current version) · SEARCH_TRUNCATION_LENGTH=Maximum character length for truncated text_content in search results (default: 300, range: 50-1000) · SHUTDOWN_TIMEOUT_S=Server shutdown timeout in seconds · SHUTDOWN_TIMEOUT_TEST_S=Test mode shutdown timeout in seconds · SQLITE_BUSY_TIMEOUT_MS=SQLite busy timeout in milliseconds · SQLITE_CACHE_SIZE=SQLite cache size (negative value for KB, positive for pages) · SQLITE_FOREIGN_KEYS=Enable SQLite foreign key constraints · SQLITE_JOURNAL_MODE=SQLite journal mode (e.g., WAL, DELETE) · SQLITE_MMAP_SIZE=SQLite memory-mapped I/O size in bytes · SQLITE_PAGE_SIZE=SQLite page size in bytes · SQLITE_SYNCHRONOUS=SQLite synchronous mode (e.g., NORMAL, FULL, OFF) · SQLITE_TEMP_STORE=SQLite temporary storage location (e.g., MEMORY, FILE) · SQLITE_WAL_AUTOCHECKPOINT=SQLite WAL autocheckpoint threshold in pages · SQLITE_WAL_CHECKPOINT=SQLite WAL checkpoint mode (e.g., PASSIVE, FULL, RESTART) · STORAGE_BACKEND=Storage backend type: sqlite (default) or postgresql · SUMMARY_ANTHROPIC_EFFORT=Effort level for Anthropic Claude models (default: none). Valid values: max, high, medium, low. Controls inference effort (adaptive thinking) · SUMMARY_MAX_CONCURRENT=Maximum concurrent summary generation operations (default: 3, range: 1-20) · SUMMARY_MAX_TOKENS=Maximum output tokens for summary generation (default: 4000, range: 50-16384). Increase if summaries are truncated by reasoning models · SUMMARY_MIN_CONTENT_LENGTH=Minimum text content length in characters to trigger summary generation (default: 500, range: 0-10000). Set to 0 to always generate. · SUMMARY_MODEL=Summary generation model name (default: qwen3:0.6b) · SUMMARY_OLLAMA_NUM_CTX=Ollama summary context window size in tokens (default: 32768, range: 512-2097152) · SUMMARY_OLLAMA_TRUNCATE=Ollama summary truncation mode: false (default) returns error when context exceeded, true enables silent truncation · SUMMARY_OPENAI_REASONING_EFFORT=Reasoning effort level for OpenAI reasoning models (default: low). Valid values vary by generation: gpt-5: low, medium, high; gpt-5.1+: none, low, medium, high, xhigh. Default low is universally valid across all generations · SUMMARY_PROMPT=Custom summarization prompt. Overrides the built-in default. Used as system message for the LLM. · SUMMARY_PROVIDER=Summary provider: ollama (default), openai, or anthropic · SUMMARY_RETRY_BASE_DELAY_S=Base delay in seconds between retry attempts (with exponential backoff) · SUMMARY_RETRY_MAX_ATTEMPTS=Maximum number of retry attempts for summary generation · SUMMARY_TIMEOUT_S=Timeout in seconds for summary generation API calls · VOYAGE_API_KEY=Voyage AI API key for Voyage embedding provider · VOYAGE_BATCH_SIZE=Voyage AI batch size for embedding requests · VOYAGE_TRUNCATION=Voyage AI truncation mode: false (default) returns error when context exceeded, true enables silent truncation
2026-08-16	Environment variable formats (raw): – → boolean, number, string
2026-08-16	Delivery form (raw): – → paket
2026-08-16	Remote hosts (raw): – → –

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tracevero · https://tracevero.com/mcp/io-github-alex-feel-mcp-context-server