Amazon ElastiCache/MemoryDB for Valkey

mcp

Advanced data structures with Valkey.

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105 Tools

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Overview Tools (105)Config

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Use cases

Count the number of set bits (1) in a range.

Get the bit value at offset.

Find positions of bits set to a specific value.

Set the bit at offset to value.

Get a list of connected clients to the Valkey server.

Get the number of keys stored in the Valkey database.

Delete a Valkey key.

Set an expiration time for a Redis key.

Check if field exists in hash.

Get field from hash.

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About

Amazon ElastiCache/MemoryDB for Valkey MCP Server

Advanced data structures with Valkey.

What is an MCP Server?⁠

MCP Info

Attribute	Details
Docker Image	mcp/valkey-mcp-server⁠
Author	awslabs⁠
Repository	https://github.com/awslabs/mcp⁠

Image Building Info

Attribute	Details
Dockerfile	https://github.com/awslabs/mcp/blob/3a5294539de4de3a91d0ee72d5487bc8b8b1fcd7/src/valkey-mcp-server/Dockerfile⁠
Commit	`3a5294539de4de3a91d0ee72d5487bc8b8b1fcd7`
Docker Image built by	Docker Inc.
Docker Scout Health Score
Verify Signature	`COSIGN_REPOSITORY=mcp/signatures cosign verify mcp/valkey-mcp-server --key https://raw.githubusercontent.com/docker/keyring/refs/heads/main/public/mcp/latest.pub`
Licence	Apache License 2.0

Available Tools (105)

Tools provided by this Server	Short Description
`bitmap_count`	Count the number of set bits (1) in a range.
`bitmap_get`	Get the bit value at offset.
`bitmap_pos`	Find positions of bits set to a specific value.
`bitmap_set`	Set the bit at offset to value.
`client_list`	Get a list of connected clients to the Valkey server.
`dbsize`	Get the number of keys stored in the Valkey database.
`delete`	Delete a Valkey key.
`expire`	Set an expiration time for a Redis key.
`hash_exists`	Check if field exists in hash.
`hash_get`	Get field from hash.
`hash_get_all`	Get all fields and values from hash.
`hash_increment`	Increment field value in hash.
`hash_keys`	Get all field names from hash.
`hash_length`	Get number of fields in hash.
`hash_random_field`	Get random field(s) from hash.
`hash_random_field_with_values`	Get random field(s) with their values from hash.
`hash_set`	Set field in hash.
`hash_set_if_not_exists`	Set field in hash only if it does not exist.
`hash_set_multiple`	Set multiple fields in hash.
`hash_strlen`	Get length of field value in hash.
`hash_values`	Get all values from hash.
`hll_add`	Add one element to a HyperLogLog.
`hll_count`	Get the estimated cardinality of a HyperLogLog.
`info`	Get Valkey server information and statistics.
`json_arrappend`	Append values to the array at path.
`json_arrindex`	Get the index of value in array at path.
`json_arrlen`	Get the length of array at path.
`json_arrpop`	Pop a value from the array at path and index.
`json_arrtrim`	Trim array at path to include only elements within range.
`json_clear`	Clear container at path (array or object).
`json_del`	Delete value at path.
`json_get`	Get the JSON value at path.
`json_numincrby`	Increment the number at path by value.
`json_nummultby`	Multiply the number at path by value.
`json_objkeys`	Get the keys in the object at path.
`json_objlen`	Get the number of keys in the object at path.
`json_set`	Set the JSON value at path.
`json_strappend`	Append a string to the string at path.
`json_strlen`	Get the length of string at path.
`json_toggle`	Toggle boolean value at path.
`json_type`	Get the type of JSON value at path.
`list_append`	Append value to list.
`list_append_multiple`	Append multiple values to list.
`list_get`	Get value at index from list.
`list_insert_after`	Insert value after pivot in list.
`list_insert_before`	Insert value before pivot in list.
`list_length`	Get length of list.
`list_move`	Move element from one list to another.
`list_pop_left`	Pop value(s) from left of list.
`list_pop_right`	Pop value(s) from right of list.
`list_position`	Find position(s) of value in list.
`list_prepend`	Prepend value to list.
`list_prepend_multiple`	Prepend multiple values to list.
`list_range`	Get range of values from list.
`list_remove`	Remove occurrences of value from list.
`list_set`	Set value at index in list.
`list_trim`	Trim list to specified range.
`rename`	Renames a Redis key from old_key to new_key.
`set_add`	Add member to set.
`set_cardinality`	Get number of members in set.
`set_contains`	Check if member exists in set.
`set_members`	Get all members in set.
`set_move`	Move member from one set to another.
`set_pop`	Remove and return random member(s) from set.
`set_random_member`	Get random member(s) from set without removing.
`set_remove`	Remove member from set.
`sorted_set_add`	Add member-score pairs to sorted set.
`sorted_set_add_incr`	Add member to sorted set or increment its score.
`sorted_set_cardinality`	Get number of members in sorted set.
`sorted_set_popmax`	Remove and return members with highest scores.
`sorted_set_popmin`	Remove and return members with lowest scores.
`sorted_set_range`	Get range of members from sorted set.
`sorted_set_range_by_lex`	Get range of members by lexicographical order.
`sorted_set_range_by_score`	Get range of members by score.
`sorted_set_rank`	Get rank of member in sorted set.
`sorted_set_remove`	Remove member(s) from sorted set.
`sorted_set_remove_by_lex`	Remove members by lexicographical range.
`sorted_set_remove_by_rank`	Remove members by rank range.
`sorted_set_remove_by_score`	Remove members by score range.
`sorted_set_score`	Get score of member in sorted set.
`stream_add`	Add entry to stream.
`stream_delete`	Delete entries from stream.
`stream_group_create`	Create consumer group.
`stream_group_delete_consumer`	Delete consumer from group.
`stream_group_destroy`	Destroy consumer group.
`stream_group_set_id`	Set consumer group's last delivered ID.
`stream_info`	Get information about stream.
`stream_info_consumers`	Get information about consumers in group.
`stream_info_groups`	Get information about consumer groups.
`stream_length`	Get length of stream.
`stream_range`	Get range of entries from stream.
`stream_read`	Read entries from stream.
`stream_read_group`	Read entries from stream as part of consumer group.
`stream_trim`	Trim stream to specified length.
`string_append`	Append to string value.
`string_decrement`	Decrement integer value.
`string_get`	Get string value.
`string_get_range`	Get substring.
`string_get_set`	Set new value and return old value.
`string_increment`	Increment integer value.
`string_increment_float`	Increment float value.
`string_length`	Get string length.
`string_set`	Set string value.
`string_set_range`	Overwrite part of string.
`type`	Returns the string representation of the type of the value stored at key.

Tools Details

Tool: `bitmap_count`

Count the number of set bits (1) in a range.

Parameters	Type	Description
`key`	`string`	The name of the bitmap key
`end`	`string`optional	End offset (inclusive, optional)
`start`	`string`optional	Start offset (inclusive, optional)

Tool: `bitmap_get`

Get the bit value at offset.

Parameters	Type	Description
`key`	`string`	The name of the bitmap key
`offset`	`integer`	The bit offset (0-based)

Tool: `bitmap_pos`

Find positions of bits set to a specific value.

Parameters	Type	Description
`bit`	`integer`	Bit value to search for (0 or 1)
`key`	`string`	The name of the bitmap key
`count`	`string`optional	Maximum number of positions to return (optional)
`end`	`string`optional	End offset (inclusive, optional)
`start`	`string`optional	Start offset (inclusive, optional)

Tool: `bitmap_set`

Set the bit at offset to value.

Parameters	Type	Description
`key`	`string`	The name of the bitmap key
`offset`	`integer`	The bit offset (0-based)
`value`	`integer`	The bit value (0 or 1)

Tool: `client_list`

Get a list of connected clients to the Valkey server.

Tool: `dbsize`

Get the number of keys stored in the Valkey database.

Tool: `delete`

Delete a Valkey key.

Parameters	Type	Description
`key`	`string`

Tool: `expire`

Set an expiration time for a Redis key.

Parameters	Type	Description
`expire_seconds`	`integer`	Time in seconds after which the key should expire.
`name`	`string`	The Redis key.

Tool: `hash_exists`

Check if field exists in hash.

Parameters	Type	Description
`field`	`string`	The field name
`key`	`string`	The name of the key

Tool: `hash_get`

Get field from hash.

Parameters	Type	Description
`field`	`string`	The field name
`key`	`string`	The name of the key

Tool: `hash_get_all`

Get all fields and values from hash.

Parameters	Type	Description
`key`	`string`	The name of the key

Tool: `hash_increment`

Increment field value in hash.

Parameters	Type	Description
`field`	`string`	The field name
`key`	`string`	The name of the key
`amount`	`string`optional	Amount to increment by (default: 1)

Tool: `hash_keys`

Get all field names from hash.

Parameters	Type	Description
`key`	`string`	The name of the key

Tool: `hash_length`

Get number of fields in hash.

Parameters	Type	Description
`key`	`string`	The name of the key

Tool: `hash_random_field`

Get random field(s) from hash.

Parameters	Type	Description
`key`	`string`	The name of the key
`count`	`string`optional	Number of fields to return (optional)

Tool: `hash_random_field_with_values`

Get random field(s) with their values from hash.

Parameters	Type	Description
`count`	`integer`	Number of field-value pairs to return
`key`	`string`	The name of the key

Tool: `hash_set`

Set field in hash.

Parameters	Type	Description
`field`	`string`	The field name
`key`	`string`	The name of the key
`value`	`string`	The value to set

Tool: `hash_set_if_not_exists`

Set field in hash only if it does not exist.

Parameters	Type	Description
`field`	`string`	The field name
`key`	`string`	The name of the key
`value`	`string`	The value to set

Tool: `hash_set_multiple`

Set multiple fields in hash.

Parameters	Type	Description
`key`	`string`	The name of the key
`mapping`	`object`	Dictionary of field-value pairs

Tool: `hash_strlen`

Get length of field value in hash.

Parameters	Type	Description
`field`	`string`	The field name
`key`	`string`	The name of the key

Tool: `hash_values`

Get all values from hash.

Parameters	Type	Description
`key`	`string`	The name of the key

Tool: `hll_add`

Add one element to a HyperLogLog.

Parameters	Type	Description
`element`	`string`	One element to add
`key`	`string`	The name of the HyperLogLog key

Tool: `hll_count`

Get the estimated cardinality of a HyperLogLog.

Parameters	Type	Description
`key`	`string`	The name of the HyperLogLog key

Tool: `info`

Get Valkey server information and statistics.

Parameters	Type	Description
`section`	`string`optional	The section of the info command (default, memory, cpu, etc.).

Tool: `json_arrappend`

Append values to the array at path.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document
`values`	`string`

Tool: `json_arrindex`

Get the index of value in array at path.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document
`value`	`string`	The value to search for
`start`	`string`optional	Start offset (optional)
`stop`	`string`optional	Stop offset (optional)

Tool: `json_arrlen`

Get the length of array at path.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document

Tool: `json_arrpop`

Pop a value from the array at path and index.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document
`index`	`integer`optional	The index to pop from (-1 for last element)

Tool: `json_arrtrim`

Trim array at path to include only elements within range.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document
`start`	`integer`	Start index (inclusive)
`stop`	`integer`	Stop index (inclusive)

Tool: `json_clear`

Clear container at path (array or object).

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document

Tool: `json_del`

Delete value at path.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document

Tool: `json_get`

Get the JSON value at path.

Parameters	Type	Description
`key`	`string`	The name of the key
`indent`	`string`optional	Number of spaces for indentation (optional)
`newline`	`string`optional	Add newlines in formatted output (optional)
`path`	`string`optional	The path in the JSON document (optional, defaults to root)
`space`	`string`optional	Add spaces in formatted output (optional)

Tool: `json_numincrby`

Increment the number at path by value.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document
`value`	`string`	The increment value (integer or float)

Tool: `json_nummultby`

Multiply the number at path by value.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document
`value`	`string`	The multiplier value (integer or float)

Tool: `json_objkeys`

Get the keys in the object at path.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document

Tool: `json_objlen`

Get the number of keys in the object at path.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document

Tool: `json_set`

Set the JSON value at path.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document (e.g., "$.name" or "." for root)
`value`	`string`	The value to set
`nx`	`boolean`optional	Only set if path doesn't exist
`xx`	`boolean`optional	Only set if path exists

Tool: `json_strappend`

Append a string to the string at path.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document
`value`	`string`	The string to append

Tool: `json_strlen`

Get the length of string at path.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document

Tool: `json_toggle`

Toggle boolean value at path.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`	The path in the JSON document

Tool: `json_type`

Get the type of JSON value at path.

Parameters	Type	Description
`key`	`string`	The name of the key
`path`	`string`optional	The path in the JSON document (optional, defaults to root)

Tool: `list_append`

Append value to list.

Parameters	Type	Description
`key`	`string`	The name of the key
`value`	`string`	The value to append

Tool: `list_append_multiple`

Append multiple values to list.

Parameters	Type	Description
`key`	`string`	The name of the key
`values`	`array`	List of values to append

Tool: `list_get`

Get value at index from list.

Parameters	Type	Description
`index`	`integer`	The index (0-based, negative indices supported)
`key`	`string`	The name of the key

Tool: `list_insert_after`

Insert value after pivot in list.

Parameters	Type	Description
`key`	`string`	The name of the key
`pivot`	`string`	The pivot value
`value`	`string`	The value to insert

Tool: `list_insert_before`

Insert value before pivot in list.

Parameters	Type	Description
`key`	`string`	The name of the key
`pivot`	`string`	The pivot value
`value`	`string`	The value to insert

Tool: `list_length`

Get length of list.

Parameters	Type	Description
`key`	`string`	The name of the key

Tool: `list_move`

Move element from one list to another.

Parameters	Type	Description
`destination`	`string`	Destination list key
`source`	`string`	Source list key
`wherefrom`	`string`optional	Where to pop from ("LEFT" or "RIGHT")
`whereto`	`string`optional	Where to push to ("LEFT" or "RIGHT")

Tool: `list_pop_left`

Pop value(s) from left of list.

Parameters	Type	Description
`key`	`string`	The name of the key
`count`	`string`optional	Number of values to pop (optional)

Tool: `list_pop_right`

Pop value(s) from right of list.

Parameters	Type	Description
`key`	`string`	The name of the key
`count`	`string`optional	Number of values to pop (optional)

Tool: `list_position`

Find position(s) of value in list.

Parameters	Type	Description
`key`	`string`	The name of the key
`value`	`string`	Value to search for
`count`	`string`optional	Return this many matches (optional)
`maxlen`	`string`optional	Limit search to first N elements (optional)
`rank`	`string`optional	Match the Nth occurrence (optional)

Tool: `list_prepend`

Prepend value to list.

Parameters	Type	Description
`key`	`string`	The name of the key
`value`	`string`	The value to prepend

Tool: `list_prepend_multiple`

Prepend multiple values to list.

Parameters	Type	Description
`key`	`string`	The name of the key
`values`	`array`	List of values to prepend

Tool: `list_range`

Get range of values from list.

Parameters	Type	Description
`key`	`string`	The name of the key
`start`	`integer`optional	Start index (inclusive, default 0)
`stop`	`integer`optional	Stop index (inclusive, default -1 for end)

Tool: `list_remove`

Remove occurrences of value from list.

Parameters	Type	Description
`key`	`string`	The name of the key
`value`	`string`	Value to remove
`count`	`integer`optional	Number of occurrences to remove (0 for all, positive for left-to-right, negative for right-to-left)

Tool: `list_set`

Set value at index in list.

Parameters	Type	Description
`index`	`integer`	The index (0-based, negative indices supported)
`key`	`string`	The name of the key
`value`	`string`	The value to set

Tool: `list_trim`

Trim list to specified range.

Parameters	Type	Description
`key`	`string`	The name of the key
`start`	`integer`	Start index (inclusive)
`stop`	`integer`	Stop index (inclusive)

Tool: `rename`

Renames a Redis key from old_key to new_key.

Parameters	Type	Description
`new_key`	`string`
`old_key`	`string`

Tool: `set_add`

Add member to set.

Parameters	Type	Description
`key`	`string`	The name of the key
`member`	`string`	Member to add

Tool: `set_cardinality`

Get number of members in set.

Parameters	Type	Description
`key`	`string`	The name of the key

Tool: `set_contains`

Check if member exists in set.

Parameters	Type	Description
`key`	`string`	The name of the key
`member`	`string`	Member to check

Tool: `set_members`

Get all members in set.

Parameters	Type	Description
`key`	`string`	The name of the key

Tool: `set_move`

Move member from one set to another.

Parameters	Type	Description
`destination`	`string`	Destination set key
`member`	`string`	Member to move
`source`	`string`	Source set key

Tool: `set_pop`

Remove and return random member(s) from set.

Parameters	Type	Description
`key`	`string`	The name of the key
`count`	`string`optional	Number of members to pop (optional)

Tool: `set_random_member`

Get random member(s) from set without removing.

Parameters	Type	Description
`key`	`string`	The name of the key
`count`	`string`optional	Number of members to return (optional)

Tool: `set_remove`

Remove member from set.

Parameters	Type	Description
`key`	`string`	The name of the key
`member`	`string`	Member to remove

Tool: `sorted_set_add`

Add member-score pairs to sorted set.

Parameters	Type	Description
`key`	`string`	The name of the key
`mapping`	`object`	Dictionary of member-score pairs

Tool: `sorted_set_add_incr`

Add member to sorted set or increment its score.

Parameters	Type	Description
`key`	`string`	The name of the key
`member`	`string`	The member to add/update
`score`	`number`	Score to add to existing score (or initial score)

Tool: `sorted_set_cardinality`

Get number of members in sorted set.

Parameters	Type	Description
`key`	`string`	The name of the key
`max_score`	`string`optional	Maximum score (optional)
`min_score`	`string`optional	Minimum score (optional)

Tool: `sorted_set_popmax`

Remove and return members with highest scores.

Parameters	Type	Description
`key`	`string`	The name of the key
`count`	`string`optional	Number of members to pop (optional)

Tool: `sorted_set_popmin`

Remove and return members with lowest scores.

Parameters	Type	Description
`key`	`string`	The name of the key
`count`	`string`optional	Number of members to pop (optional)

Tool: `sorted_set_range`

Get range of members from sorted set.

Parameters	Type	Description
`key`	`string`	The name of the key
`reverse`	`boolean`optional	Return results in reverse order
`start`	`integer`optional	Start index (inclusive)
`stop`	`integer`optional	Stop index (inclusive)
`withscores`	`boolean`optional	Include scores in result

Tool: `sorted_set_range_by_lex`

Get range of members by lexicographical order.

Parameters	Type	Description
`key`	`string`	The name of the key
`max_lex`	`string`	Maximum value (inclusive)
`min_lex`	`string`	Minimum value (inclusive)
`count`	`string`optional	Maximum number of members to return
`offset`	`string`optional	Number of members to skip
`reverse`	`boolean`optional	Return results in reverse order

Tool: `sorted_set_range_by_score`

Get range of members by score.

Parameters	Type	Description
`key`	`string`	The name of the key
`max_score`	`number`	Maximum score (inclusive)
`min_score`	`number`	Minimum score (inclusive)
`count`	`string`optional	Maximum number of members to return
`offset`	`string`optional	Number of members to skip
`reverse`	`boolean`optional	Return results in reverse order
`withscores`	`boolean`optional	Include scores in result

Tool: `sorted_set_rank`

Get rank of member in sorted set.

Parameters	Type	Description
`key`	`string`	The name of the key
`member`	`string`	The member to get rank for
`reverse`	`boolean`optional	If True, get rank in reverse order (highest first)

Tool: `sorted_set_remove`

Remove member(s) from sorted set.

Parameters	Type	Description
`key`	`string`	The name of the key
`members`	`string`

Tool: `sorted_set_remove_by_lex`

Remove members by lexicographical range.

Parameters	Type	Description
`key`	`string`	The name of the key
`max_lex`	`string`	Maximum value (inclusive)
`min_lex`	`string`	Minimum value (inclusive)

Tool: `sorted_set_remove_by_rank`

Remove members by rank range.

Parameters	Type	Description
`key`	`string`	The name of the key
`start`	`integer`	Start rank (inclusive)
`stop`	`integer`	Stop rank (inclusive)

Tool: `sorted_set_remove_by_score`

Remove members by score range.

Parameters	Type	Description
`key`	`string`	The name of the key
`max_score`	`number`	Maximum score (inclusive)
`min_score`	`number`	Minimum score (inclusive)

Tool: `sorted_set_score`

Get score of member in sorted set.

Parameters	Type	Description
`key`	`string`	The name of the key
`member`	`string`	The member to get score for

Tool: `stream_add`

Add entry to stream.

Parameters	Type	Description
`field_dict`	`object`	Dictionary of field-value pairs
`key`	`string`	The name of the key
`approximate`	`boolean`optional	Whether maxlen is approximate
`id`	`string`optional	Entry ID (default "*" for auto-generation)
`maxlen`	`string`optional	Maximum length of stream (optional)

Tool: `stream_delete`

Delete entries from stream.

Parameters	Type	Description
`id`	`string`	Entry ID to delete
`key`	`string`	The name of the key

Tool: `stream_group_create`

Create consumer group.

Parameters	Type	Description
`group_name`	`string`	Name of consumer group
`key`	`string`	The name of the key
`id`	`string`optional	ID to start reading from (default "$" for new entries only)
`mkstream`	`boolean`optional	Create stream if it doesn't exist

Tool: `stream_group_delete_consumer`

Delete consumer from group.

Parameters	Type	Description
`consumer_name`	`string`	Name of consumer to delete
`group_name`	`string`	Name of consumer group
`key`	`string`	The name of the key

Tool: `stream_group_destroy`

Destroy consumer group.

Parameters	Type	Description
`group_name`	`string`	Name of consumer group
`key`	`string`	The name of the key

Tool: `stream_group_set_id`

Set consumer group's last delivered ID.

Parameters	Type	Description
`group_name`	`string`	Name of consumer group
`id`	`string`	ID to set as last delivered
`key`	`string`	The name of the key

Tool: `stream_info`

Get information about stream.

Parameters	Type	Description
`key`	`string`	The name of the key

Tool: `stream_info_consumers`

Get information about consumers in group.

Parameters	Type	Description
`group_name`	`string`	Name of consumer group
`key`	`string`	The name of the key

Tool: `stream_info_groups`

Get information about consumer groups.

Parameters	Type	Description
`key`	`string`	The name of the key

Tool: `stream_length`

Get length of stream.

Parameters	Type	Description
`key`	`string`	The name of the key

Tool: `stream_range`

Get range of entries from stream.

Parameters	Type	Description
`key`	`string`	The name of the key
`count`	`string`optional	Maximum number of entries to return
`end`	`string`optional	End ID (default "+" for end)
`reverse`	`boolean`optional	Return entries in reverse order
`start`	`string`optional	Start ID (default "-" for beginning)

Tool: `stream_read`

Read entries from stream.

Parameters	Type	Description
`key`	`string`	The name of the key
`block`	`string`optional	Milliseconds to block (optional)
`count`	`string`optional	Maximum number of entries to return
`last_id`	`string`optional	Last ID received (default "$" for new entries only)

Tool: `stream_read_group`

Read entries from stream as part of consumer group.

Parameters	Type	Description
`consumer_name`	`string`	Name of this consumer
`group_name`	`string`	Name of consumer group
`key`	`string`	The name of the key
`block`	`string`optional	Milliseconds to block (optional)
`count`	`string`optional	Maximum number of entries to return
`noack`	`boolean`optional	Don't require acknowledgment

Tool: `stream_trim`

Trim stream to specified length.

Parameters	Type	Description
`key`	`string`	The name of the key
`maxlen`	`integer`	Maximum length to trim to
`approximate`	`boolean`optional	Whether maxlen is approximate

Tool: `string_append`

Append to string value.

Parameters	Type	Description
`key`	`string`	The name of the key
`value`	`string`	String to append

Tool: `string_decrement`

Decrement integer value.

Parameters	Type	Description
`key`	`string`	The name of the key
`amount`	`integer`optional	Amount to decrement by (default 1)

Tool: `string_get`

Get string value.

Parameters	Type	Description
`key`	`string`	The name of the key

Tool: `string_get_range`

Get substring.

Parameters	Type	Description
`end`	`integer`	End index (inclusive)
`key`	`string`	The name of the key
`start`	`integer`	Start index (inclusive)

Tool: `string_get_set`

Set new value and return old value.

Parameters	Type	Description
`key`	`string`	The name of the key
`value`	`string`	New value to set

Tool: `string_increment`

Increment integer value.

Parameters	Type	Description
`key`	`string`	The name of the key
`amount`	`integer`optional	Amount to increment by (default 1)

Tool: `string_increment_float`

Increment float value.

Parameters	Type	Description
`amount`	`number`	Amount to increment by
`key`	`string`	The name of the key

Tool: `string_length`

Get string length.

Parameters	Type	Description
`key`	`string`	The name of the key

Tool: `string_set`

Set string value.

Parameters	Type	Description
`key`	`string`	The name of the key
`value`	`string`	The value to set
`ex`	`string`optional	Expire time in seconds
`keepttl`	`boolean`optional	Retain the time to live associated with the key
`nx`	`boolean`optional	Only set if key does not exist
`px`	`string`optional	Expire time in milliseconds
`xx`	`boolean`optional	Only set if key exists

Tool: `string_set_range`

Overwrite part of string.

Parameters	Type	Description
`key`	`string`	The name of the key
`offset`	`integer`	Position to start overwriting
`value`	`string`	String to write

Tool: `type`

Returns the string representation of the type of the value stored at key.

Parameters	Type	Description
`key`	`string`

Use this MCP Server

{
  "mcpServers": {
    "awslabs-valkey": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "VALKEY_HOST",
        "-e",
        "VALKEY_PORT",
        "mcp/valkey-mcp-server"
      ],
      "env": {
        "VALKEY_HOST": "your-cluster-endpoint.amazonaws.com",
        "VALKEY_PORT": "6379"
      }
    }
  }
}

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Amazon ElastiCache/MemoryDB for Valkey

Amazon ElastiCache/MemoryDB for Valkey MCP Server

MCP Info

Image Building Info

Available Tools (105)

Tools Details

Tool: bitmap_count

Tool: bitmap_get

Tool: bitmap_pos

Tool: bitmap_set

Tool: client_list

Tool: dbsize

Tool: delete

Tool: expire

Tool: hash_exists

Tool: hash_get

Tool: hash_get_all

Tool: hash_increment

Tool: hash_keys

Tool: hash_length

Tool: hash_random_field

Tool: hash_random_field_with_values

Tool: hash_set

Tool: hash_set_if_not_exists

Tool: hash_set_multiple

Tool: hash_strlen

Tool: hash_values

Tool: hll_add

Tool: hll_count

Tool: info

Tool: json_arrappend

Tool: json_arrindex

Tool: json_arrlen

Tool: json_arrpop

Tool: json_arrtrim

Tool: json_clear

Tool: json_del

Tool: json_get

Tool: json_numincrby

Tool: json_nummultby

Tool: json_objkeys

Tool: json_objlen

Tool: json_set

Tool: json_strappend

Tool: json_strlen

Tool: json_toggle

Tool: json_type

Tool: list_append

Tool: list_append_multiple

Tool: list_get

Tool: list_insert_after

Tool: list_insert_before

Tool: list_length

Tool: list_move

Tool: list_pop_left

Tool: list_pop_right

Tool: list_position

Tool: list_prepend

Tool: list_prepend_multiple

Tool: list_range

Tool: list_remove

Tool: list_set

Tool: list_trim

Tool: rename

Tool: set_add

Tool: set_cardinality

Tool: set_contains

Tool: set_members

Tool: set_move

Tool: set_pop

Tool: set_random_member

Tool: set_remove

Tool: sorted_set_add

Tool: sorted_set_add_incr

Tool: sorted_set_cardinality

Tool: sorted_set_popmax

Tool: sorted_set_popmin

Tool: sorted_set_range

Tool: sorted_set_range_by_lex

Tool: sorted_set_range_by_score